1.1 a. This Rregulation No. 24, "Control of Volatile Organic Compound Emissions", replaces and supersedes Regulation No. 24, "Control of Volatile Organic Compound Emissions" dated July 3, 1990.

1.2 b. This regulation is applicable to the sources of Volatile Organic Compounds (VOCs) as set-forth herein, except:

1.2.1 1. Sources, other than solvent metal-cleaning sources, whose emissions of Volatile Organic Compounds (VOCs) are not more than fifteen (15) pounds per day, unless other limits are specified herein, provided the emission rates are determined and certified in a manner acceptable to the Department.

1.2.2 2. Sanitary landfills conforming to the State of Delaware Statewide Solid Waste Management Plan.

1.3 c. No owner or operator shall substitute either methyl chloroform or methylene chloride for any other Volatile Organic Compound (VOC) for any solvent metal cleaning purpose on or after the effective date of this regulation.

1.4 d. The provisions of this regulation shall not apply to the startup and shutdown of equipment which operates continuously or in an extended steady-state when emissions from such equipment during startup and shutdown are governed by an Operating Permit issued pursuant to the provisions of Section 2, Regulation No. 2 2.0 of 7 DE Admin. Code 1102.

1.5 e. Any owner or operator currently permitted to operate a VOC emission source under Regulation No. 2 7 DE Admin. Code 1102 or the previous Regulation No. 24 shall submit to the Department, within 90 days of the effective date of this regulation, an application to amend the current permit and to comply with the provisions of this regulation. Any owner or operator of a non-permitted source subject to the provisions of this regulation, on and after the effective date of the regulation, shall immediately submit to the Department an application for a permit to construct, modify, reconstruct and/or operate the source.

1.6 f. Any owner or operator who owns or operates a process or operation regulated by a subsequent section of this regulation may submit to the Department proposals for alternative compliance schedules. The Department may, with the concurrence of the Administrator of the U. S. Environmental Protection Agency (U.S. EPA), approve the alternative compliance schedules if:

1.6.1 1. The proposal contains projected increments of progress which are substantially equivalent to the compliance schedules in the appropriate subsequent sections of this regulation, and,

1.6.2 2. Final compliance with emission standards is achieved not later than that stipulated in appropriate subsequent sections of this regulation, or not later than May 31, 1995, if agreed in writing by the Department.

1.7 g. In the event that the applicant's schedule of interim measures is not acceptable, the Department shall give written notice to the applicant, advising that the schedule contained in the appropriate sections of this regulation will be ordered unless an equitable compromise is agreed-upon, or a public hearing is requested. The expense of such hearing shall be borne by the applicant. The Department may order a schedule to be implemented after considering relevant testimony at the hearing, or, if no hearing is requested, issue an order on its own initiative.

1.8 h. Any alternative compliance schedule approved by the Department shall be incorporated in the State Implementation Plan (SIP).

For the purpose of this regulation, the following definitions apply:

a. “Actual emissions” means the quantity VOCs emitted from a source during a particular time period.

b. “As applied” means including any dilution solvents added before application of the coating.

c. “Basecoat” means a pigmented topcoat that is the first coat applied as part of a multistage topcoat system.

d. “Bulk gasoline plant” means a gasoline storage and distribution facility with an average daily throughput of 76,000 liters (L) (20,000 gallons [gal]) of gasoline or less on a monthly average.

e. “Bulk gasoline terminal” means a gasoline storage facility that receives gasoline from refineries, delivers gasoline to bulk gasoline plants or to commercial or retail accounts, and has a daily throughput of more than 76,000 L (20,000 gal) of gasoline on a monthly average.

f. “Capture efficiency” means the weight per unit time of VOC entering a capture system and delivered to a control device divided by the weight per unit time of total VOC generated by a source of VOC, expressed as a percentage.

g. “Capture system” means all equipment (including, but not limited to, hoods, ducts, fans, booths, ovens, dryers, etc.) that contains, collects, and transports an air pollutant to a control device.

h. “Carbon absorber” means an add-on control device that uses activated carbon to absorb VOCs from a gas stream.

i. “Carbon adsorption system" means a carbon adsorber with an inlet and outlet for exhaust gases and a system to regenerate the saturated adsorbent.

j. “Clearcoat” means a topcoat that contains no pigments or only transparent pigments and that is the final coat applied as part of a multistage topcoat system.

k. “Coating” means a material applied onto or impregnated into a substrate for protective, decorative, or functional purposes. Such materials include, but are not limited to, paints, varnishes, sealants, adhesives, inks, maskants, and temporary protective coatings.

l. “Coating unit” means a series of one or more coating applicators and any associated drying area and/or oven wherein a coating is applied, dried, and/or cured. A coating unit ends at the point where the coating is dried or cured, or prior to any subsequent application of a different coating. It is not necessary to have an oven or a flash-off area in order to be included in this definition.

m. “Continuous vapor control system” means a vapor control system that treats vapors displaced from tanks during filling on a demand basis without intermediate accumulation.

n. “Control device” means equipment (such as an incinerator or carbon adsorber) used to reduce, by destruction or removal, the amount of air pollutant(s) or pollutants in an air stream prior to discharge to the ambient air.

o. “Control system” means a combination of one or more capture system(s) or systems and control device(s) or devices working in concert to reduce discharges of pollutants to the ambient air.

p. “Day” means a period of 24 consecutive hours beginning at midnight local time, or beginning at a time consistent with a facility's operating schedule.

q. “Destruction or removal efficiency” means the amount of VOC destroyed or removed by a control device expressed as a percent of the total amount of VOC entering the device.

r. “Double block-and-bleed system” means two block valves connected in series with a bleed valve or line that can vent the line between the two block valves.

s. “Exempt compounds” means any of the compounds listed in Regulation 1, Section 2 2.0 of 7 DE Admin. Code 1101 - Definitions, "Volatile Organic Compounds," which have been determined to have negligible photochemical reactivity.

For determining compliance with emission limits, VOCs will be measured according to the procedures in Methods 25 and 25A of Appendix A of 40 CFR, Part 60, and the procedures and equations in §60.755. Where such a method also measures compounds with negligible photochemical reactivity, an owner or operator may exclude these negligibly-reactive compounds when determining compliance with an emission standard. However, the Department may require such owner or operator, as a precondition to excluding these compounds for purposes of determining compliance, to provide monitoring methods and monitoring results demonstrating, to the satisfaction of the Department, the amount of negligibly-reactive compounds in the sources emissions.

In addition to the procedures for requesting a satisfactory compliance determination, where the Department proposes to allow the use of a test method for excluding negligibly-reactive compounds that is different or not specified in the approved SIP, such change shall be submitted to the U.S. EPA for approval as part of a SIP revision.

t. “External floating roof” means a cover over an open-top storage tank consisting of a double deck or pontoon single deck that rests upon and is supported by the volatile organic liquid being contained and is equipped with a closure seal or seals to close the space between the roof edge and tank shell.

u. “Facility” means all of the pollutant-emitting activities, excluding pollutant-emitting activities from mobile sources that are located on one (1) or more contiguous or adjacent properties, and are under the control of the same person (or person under common control).

v. “First attempt at repair” means to take rapid action for the purpose of stopping or reducing leakage of organic material to the atmosphere using best practices.

w. “Flash-off area” means the space between the coating application area and the oven.

x. “Gasoline tank truck” means a delivery tank truck used at bulk gasoline plants, bulk gasoline terminals, or gasoline dispensing facilities that is loading or unloading gasoline or that has loaded or unloaded gasoline on the immediately previous load.

y. “Gloss flattener” means a low-gloss coating that is formulated to eliminate glare on the interior surfaces of a vehicle for safety purposes, as specified under the U.S. Department of Transportation Motor Vehicle Safety Standards.

z. “Heavy-duty truck” means any motor vehicle rated at greater than 3,864 kg (8,500 lb) gross weight designed primarily to transport property.

aa. “Incinerator” means a combustion apparatus in which solid, semisolid, liquid, or gaseous combustible wastes are ignited and burned and from which the solid and gaseous residues contain little or no combustible material.

bb. “Intermittent vapor control system” means a vapor control system that employs an intermediate vapor holder to accumulate vapors displaced from tanks during filling. The control device treats the accumulated vapors only during automatically controlled cycles.

cc. “Internal Floating Roof” means a cover or roof in a fixed-roof tank that rests upon or is floated upon, the liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and the tank shell.

dd. “Knife coating” means the application of a coating material to a substrate by means of drawing the substrate beneath a knife that spreads the coating evenly over the full width of the substrate.

ee. “Leak” means a VOC emission indicated by an instrument calibrated according to Method 21 of 40 CFR, Part 60, Appendix A, using zero air (less than 10 parts per million [ppm] of hydrocarbon in air) and a mixture of methane or n-hexane and air at a concentration of about, but less than, 10,000 ppm methane or n-hexane.

ff. “Lease custody transfer” means the transfer of produced crude oil or condensate, after processing and/or treating in the producing operations, from storage tanks or automatic transfer facilities to pipelines or any other forms of transportation.

gg. “Liquid-mounted seal” means a primary seal mounted in continuous contact with the liquid between the tank wall and the floating roof around the circumference of the tank.

hh. “Loading rack” means an aggregation or combination of gasoline loading equipment arranged so that all loading outlets in the combination can be connected to a tank truck or trailer parked in a specified loading space.

ii. “Lower explosive limit” (LEL) means the concentration of a compound in air below which a flame will not propagate if the mixture is ignited.

jj. “Maximum theoretical emissions” means the quantity of VOC that theoretically could be emitted by a source without control devices based on the design capacity or maximum production capacity of the source and 8,760 hours of operation per year. The design capacity or maximum production capacity includes use of coatings and inks with the highest VOC content used in practice by the source for the 2 two preceding years.

kk. “Maximum true vapor pressure” means the equilibrium partial pressure exerted by a stored liquid at the temperature equal to:

1. for liquids stored above or below the ambient temperature, the highest calendar-month average of the liquid storage temperature, or

2. for liquids stored at the ambient temperature, the local maximum monthly average temperature as reported by the National Weather Service. This pressure shall be determined by one of the following:

i. In accordance with methods described in American Petroleum Institute Bulletin 2517, "Evaporation Loss From External Floating Roof Tanks."

ii. By using standard reference texts.

iii. By ASTM D2879-83.

iv. By any other method approved by the Department as part of the State Implementation Plan (SIP) Revision.

ll. “Multicomponent coating” means a coating which is packaged in two or more parts, which parts are combined before application, and where a coreactant from one part of the coating chemically reacts, at ambient conditions, with a coreactant from another part of the coating.

mm. “Open-ended valve or line” means any valve, except safety relief valves, having one side of the valve seat in contact with process fluid and one side open to the atmosphere, either directly or through open piping.

nn. “Organic compound” means any carbon-containing chemical compound excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate.

oo. “Oven” means a chamber which is used to bake, cure, polymerize, and/or dry a coating.

pp. “Overall emission reduction efficiency” means the weight per unit time of VOC removed or destroyed by a control device divided by the weight per unit time of VOC generated by a source, expressed as a percentage. The overall emission reduction efficiency can also be calculated as the product of the capture efficiency and the control device destruction or removal efficiency.

qq. “Owner or Operator” means any person who owns, leases, controls, operates or supervises a facility, a source, or air pollution control or monitoring equipment.

rr. “Person” means any individual, partnership, copartnership, firm, company, corporation, association, joint stock company, trust, estate, political subdivision, or any other legal entity, or their legal representative, agent, or assigns.

ss. “Petroleum” means the crude oil removed from the earth and the oils derived from tar sands, shale and coal.

tt. “Petroleum Liquid” means petroleum condensate, and any finished or intermediate products manufactured in a petroleum refinery.

uu. “Plastisol” means a coating made of a mixture of finely divided resin and a plasticizer. Plastisol is applied as a thick gel that solidifies when heated.

vv. “Press-Ready Ink” means the ink, as applied to the substrate, after all solvents and diluents have been added.

ww. “Pressure release” means the emission of materials resulting from system pressure being greater than set pressure of the pressure relief device.

xx. “Primer” means any coating applied prior to the application of a topcoat or color coat for the purposes of surface preparation, corrosion resistance, adhesion, and color uniformity.

yy. “Process unit shutdown” means a work practice or operational procedure that stops production from a process unit or part of a process unit. An unscheduled work practice or operational procedure that stops production from a process unit or part of a process unit for less than 24 hours is not a process unit shutdown. The use of spare equipment and technically feasible bypassing of equipment without stopping production are not process unit shutdowns.

zz. “Reid vapor pressure” means the absolute vapor pressure of volatile crude oil and volatile nonviscous petroleum liquids, except liquified petroleum gases, as determined by ASTM D323-82.

aaa. “Repaired” means that equipment is adjusted, or otherwise altered, in order to eliminate a leak as indicated by one of the following: an instrument reading of 10,000 ppm or greater, indication of liquids dripping, or indication by a sensor that a seal or barrier fluid system has failed.

bbb. “Roll coating” means the application of a coating material to a moving substrate by means of hard rubber, elastomeric, or metal rolls.

ccc. “Rotogravure coating” means the application of a coating material to a substrate by means of a roll coating technique in which the pattern to be applied is recessed relative to the non-image area, and the coating material is picked up in these recessed areas and is transferred to the substrate.

ddd. “Shutdown” means the cessation of operation of a facility or of its emission control or emission monitoring equipment.

eee. “Source” means any building, structure, equipment (excluding mobile equipment temporarily in place), or installation that directly or indirectly releases or discharges, or has the potential to release or discharge, VOCs into the atmosphere.

fff. “Stage I Vapor Recovery System” means the control of gasoline vapor from any delivery vessel into any stationary storage vessel, where the vapor displaced by the liquid gasoline is returned to the delivery vessel and transported to the refinery.

gig. “Stage II Vapor Recovery System” means a system that controls the emissions of gasoline vapor at the vehicle fill-pipe, where the vapor is captured and returned to a vapor-tight storage tank, or is destroyed; which achieves an overall control efficiency of at least 95%.

hhh. “Standard conditions” means a temperature of 20^oC (68^oF) and pressure of 760 mm Hg (29.92 in. Hg).

iii. “Startup” means the setting in operation of a source or of its emission control or emission monitoring equipment.

jjj. “Storage Vessel” means each tank, reservoir or container used for the storage of Volatile Organic Liquids, but does not include:

1. Frames, housing, auxiliary supports or other components that are not directly involved in the containment of liquids or vapors; or

2. Subsurface caverns or porous rock reservoirs.

kkk. “Submerged fill” means the method of filling a delivery vessel or storage vessel where product enters within 150 millimeters (mm) (5.9 inches [in.]) of the bottom of the delivery or storage vessel. Bottom filling of delivery and storage vessels is included in this definition.

lll. “Substrate” means the surface onto which a coating is applied or into which a coating is impregnated.

mmm. “Throughput” means the amount of gasoline dispensed at a gasoline dispensing facility during a calendar month after November 15, 1990.

nnn. “Transfer efficiency” means the ratio of the amount of coating solids adhering to the object being coated to the total amount of coating solids used in the application process, expressed as a percentage.

ooo. “Vapor collection system” means all piping, seals, hoses, connections, pressure-vacuum vents, and other equipment between the gasoline tank truck and the vapor processing unit and/or the storage tanks and vapor holder.

ppp. “Vapor control system” means a system that limits or prevents release to the atmosphere of organic compounds in the vapors displaced from a tank during the transfer of gasoline.

qqq. “Vapor-mounted seal” means a primary seal mounted so there is an annular vapor space underneath the seal. The annular vapor space is bounded by the bottom of the primary seal, the tank wall, the liquid surface and the floating roof.

rrr. “Vapor recovery system” means a vapor-gathering system capable of collecting VOC vapors and gases emitted during the operation of any transfer, storage, or process equipment.

sss. “Vapor-tight” means equipment that allows no loss of vapors. Compliance with vapor-tight requirements can be determined by checking to ensure that the concentration at a potential leak source is not equal to or greater than 100% of the LEL when measured with a combustible gas detector, calibrated with propane, at a distance of 2.54 centimeters (cm) (1 inch)from the source.

ttt. “Vapor-tight gasoline tank truck” means a gasoline tank truck that has demonstrated within the 12 preceding months that its product delivery tank will sustain a pressure change of not more than 75 mm (3.0 in.) of water within 5 five minutes (min) after it is pressurized to 450 mm (18 in.) of water; or when evacuated to 150 mm (5.9 in.) of water, the same tank will sustain a pressure change of not more than 75 mm (3.0 in.) of water within 5 min. This capability is to be demonstrated using the test procedures specified in Method 27 of Appendix A of 40 CFR, Part 60 (July 1, 1992).

uuu. “Volatile Organic Liquid” (VOL) means any organic liquid which can emit any Volatile Organic Compound into the atmosphere (see definition of "Volatile Organic Compound" of this regulation).

vvv. “Volatile Organic Compound” (VOC) means any carbon-containing compound excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates and ammonium carbonate, which participates in atmospheric photochemical reactions. This includes any organic compounds other than those defined as "Exempt Compounds", which have been determined to have negligible photochemical reactivity (see definition of "Exempt Compounds" of this regulation). In addition to the procedures for requesting a satisfactory compliance demonstration, where the Department proposes to allow the use of a test method for excluding negligibly reactive compounds that is different from or not specified in the approved SIP, such change shall be submitted to the Environmental Protection Agency (U.S. EPA) for approval as part of a SIP Revision.

www. “Web coating line” means all of the coating applicator(s) or applicators, drying area(s) or areas, or oven(s) or ovens, located between an unwind station and a rewind station, that are used to apply coating onto a continuous strip of substrate (the web). A web coating line need not have a drying oven.

3.1 a. All existing, new, reconstructed and modified sources shall meet all applicable provisions of this regulation.

3.2 b. Nothing in this regulation shall be construed to exempt new, reconstructed or modified sources from meeting any other applicable Department or federal rules, including New Source Review requirements.

3.3 c. This regulation does not apply to any equipment at a facility used exclusively for chemical or physical analysis or determination of product quality and commercial acceptance provided the operation of the equipment is not an integral part of the production process and the total actual emissions from all such equipment at the facility do not exceed 204 kilograms (kg) (450 pounds [lb]) in any calendar month. Any facility claiming exemption from the provisions 3.3 of this regulation under paragraph (c) shall comply with the provisions of Paragraph (e) 3.5 of this regulation.

3.4 d.

3.4.1 1. Any facility that becomes or is currently subject to the provisions of this regulation by exceeding an applicability threshold will remain subject to these provisions, even if its throughput or emissions later fall below the applicability threshold, except as provided in Paragraph (g) 3.7 of this regulation.

3.4.2 2. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

3.5 e. Any facility that claims exemption from the provisions of this regulation by reason of meeting the conditions in paragraph (c) 3.3 of this Section regulation shall maintain the following annual records in a readily accessible location for at least 5 years and shall make those records available to the Department upon verbal or written request:

3.5.1 1. Records to document the purpose of the equipment for which the exemption is claimed.

3.5.2 2. Records to document the amount of each volatile organic compound (VOC)-containing material used in the equipment each calendar month and the VOC content of each material such that emissions can be determined for each calendar month.

3.6 f. The owner or operator of a facility or source subject to any control requirement of this regulation may comply with an alternative control plan that has been approved by the Department and the U.S. EPA.

3.7 g. The owner or operator of a facility or source subject to this regulation may petition the Department for exemption from the requirements of this regulation upon a showing that such facility or source no longer has the potential to emit Volatile Organic Compounds (VOCs). Any exemption granted shall be embodied in a Consent Order which shall contain terms and conditions necessary to ensure that no Volatile Organic Compounds (VOCs) may be emitted from the facility or source. For federal enforcement purposes, such exemption shall not be effective until approved by the U.S. EPA.

4.1 a. To establish the records required under this Section 4.0 of this regulation, the volatile organic compound (VOC) content of each coating, as applied, and the efficiency of each capture system and control device shall be determined by the applicable test methods and procedures specified in Appendix B and Appendix D of this regulation.

4.2 b. Requirements for coating sources exempt from emission limitations. Any owner or operator of a coating unit, line, or operation that is exempt from the emission limitations of Section 10 through Section 23 10.0 through 23.0 of this regulation because combined VOC emissions from all coating units, lines, and operations at the facility are below the applicability threshold specified in the individual sections of this regulation, before the application of capture systems and control devices, shall comply with the following for each section of this regulation from which the owner or operator claims an exemption:

4.2.1 1. Certification. By November 15, 1993, the owner or operator of a facility referenced in paragraph (b) 4.2 of this Section regulation shall certify to the Department that the facility is exempt from emission limitations by providing all of the following:

4.2.1.1 i. The name and location of the facility.

4.2.1.2 ii. The address and telephone number of the person responsible for the facility.

4.2.1.3 iii. A declaration that the facility is exempt from the emission limitations of Section 10 through Section 23 10.0 through 23.0 of this regulation because combined VOC emissions from all coating units, lines, and operations at the facility that are covered by an individual section of this regulation are below the appropriate applicability threshold before the application of capture systems and control devices.

4.2.1.4 iv. Calculations of the daily-weighted average that demonstrate that the combined VOC emissions from all coating units, lines, and operations at the facility that are covered by an individual section of this regulation for a day representative of current maximum production levels are less than 6.8 kilograms (kg) (15 pounds [lb]) before the application of capture systems and control devices. The following equation shall be used to calculate total VOC emissions for that day:

(4-1)

where:

T = Total VOC emissions from coating units, lines, and operations at the facility before the application of capture systems and control devices in units of kg/day (lb/day).

n = Number of different coatings applied on each coating unit, each coating line, or each operation at the facility.

i = Subscript denoting an individual coating.

A_i = Mass of VOC per volume of coating (i) (excluding water and exempt compounds), as applied, used at the facility in units of kilograms VOC per liter (kg VOC/L) (pounds VOC per gallon [lb VOC/gal]).

B_i = Volume of coating (i) (excluding water and exempt compounds), as applied, used at the facility in units of liters per day (L/day) (gallons per day [gal/day]). The instrument or method by which the owner or operator accurately measured or calculated the volume of each coating, as applied, used at the facility shall be described in the certification to the Department.

4.2.2 2. Recordkeeping. On and after November 15, 1993, the owner or operator of a facility referenced in paragraph (b) 4.2 of this Section regulation shall collect and record all of the following information each day and maintain the information at the facility for a period of 5 years:

4.2.2.1 i. The name and identification number of each coating, as applied.

4.2.2.2 ii. The mass of VOC per volume (excluding water and exempt compounds) and the volume of coating (i) (excluding water and exempt compounds), as applied, used each day.

4.2.2.3 iii. The total VOC emissions at the facility, as calculated using the equation under paragraph (b)(l)(iv) 4.2.1.4 of this Section regulation.

4.2.3 3. Reporting. On and after November 15, 1993, the owner or operator of a facility referenced in paragraph (b) 4.2 of this Section regulation shall notify the Department of any record showing that combined VOC emissions from all coating units, lines, and operations at the coating facility exceed 6.8 kg (15 lb) on any day, before the application of capture systems and control devices. A copy of such record shall be sent to the Department within 45 calendar days after the exceedance occurs. This reporting requirement is in addition to any other exceedance reporting requirements mandated by the State of Delaware.

4.3 c. Requirements for coating sources using complying coatings. Any owner or operator of a coating unit, line, or operation subject to the limitations of Sections 10 through 12 10.0 through 12.0 or of Section 13(c)(1) 13.3.1 or Section 14 through Section 23 14.0 through 23.0 of this regulation and complying by means of the use of complying coatings shall comply with the following:

4.3.1 1. Certification. By November 15, 1993, or upon startup of a new coating unit, line, or operation, or upon changing the method of compliance for an existing subject coating unit, line, or operation from daily-weighted averaging or control devices to the use of complying coatings, the owner or operator of a coating unit, line, or operation referenced in paragraph (c) 4.3 of this Section regulation shall certify to the Department that the coating unit, line, or operation is or will be in compliance with the requirements of the applicable section of this regulation on and after November 15, 1993, or on and after the initial startup date. Such certification shall include:

4.3.1.1 i. The name and location of the facility.

4.3.1.2 ii. The address and telephone number of the person responsible for the facility.

4.3.1.3 iii. Identification of subject sources.

4.3.1.4 iv. The name and identification number of each coating, as applied, on each coating unit, line, or operation.

4.3.1.5 v. The mass of VOC per volume (excluding water and exempt compounds) and the volume of each coating (excluding water and exempt compounds), as applied per day.

4.3.1.6 vi. The time at which the facility's "day" begins if a time other than midnight local time is used to define a "day."

4.3.2 2. Recordkeeping. On and after November 15, 1993, or on and after the initial startup date, the owner or operator of a coating unit, line, or operation referenced in paragraph (c) 4.3 of this Section regulation and complying by the use of complying coatings shall collect and record all of the following information each day for each coating unit, line, or operation and maintain the information at the facility for a period of 5 five years:

4.3.2.1 i. The name and identification number of each coating, as applied, on each coating unit, line, or operation.

4.3.2.2 ii. The mass of VOC per volume of each coating (excluding water and exempt compounds), as applied, used each day on each coating unit, line, or operation.

4.3.2.3 iii. The volume of each coating applied each day on each coating unit line or operation.

4.3.3 3. Reporting. On and after November 15, 1993, the owner or operator of a subject coating unit, line, or operation referenced in paragraph (c) 4.3 of this Section regulation shall notify the Department in either of the following instances:

4.3.3.1 i. Any record showing use of any non-complying coatings shall be reported by sending a copy of such record to the Department within 45 calendar days following that use.

4.3.3.2 ii. At least 30 calendar days before changing the method of compliance from the use of complying coatings to daily-weighted averaging or control devices, the owner or operator shall comply with all requirements of paragraph (d)(1) or (e)(1) 4.4.1 or 4.5.1 of this Section regulation, respectively, as well as Regulation No. 2 7 DE Admin. Code 1102. Upon changing the method of compliance from the use of complying coatings to daily-weighted averaging or control devices, the owner or operator shall comply with all requirements of the section of this regulation applicable to the coating unit, line, or operation referenced in paragraph (c) 4.3 of this Section regulation.

4.4 d. Requirements for coating sources using daily-weighted averaging. Any owner or operator of a coating unit, line, or operation subject to the limitations of Sections 10 through 12 10.0 through 12.0 or Section 13(c)(1) 13.3.1 or Section 14 through Section 23 14.0 through 23.0 of this regulation and complying by means of daily-weighted averaging on that unit, line, or operation shall comply with the following:

4.4.1 1. Certification. By November 15, 1993, or upon startup of a new coating unit, line, or operation, or upon changing the method of compliance for an existing subject coating unit, line, or operation from the use of complying coatings or control devices to daily-weighted averaging, the owner or operator of the subject coating unit, line, or operation shall certify to the Department that the coating unit, line, or operation is or will be in compliance with paragraph (d) 4.4 of this Section regulation on and after November 15, 1993, or on and after the initial startup date. Such certification shall include:

4.4.1.1 i. The name and location of the facility.

4.4.1.2 ii. The address and telephone number of the person responsible for the facility.

4.4.1.3 iii. Identification of subject sources.

4.4.1.4 iv. The name and identification number of each coating unit, line, or operation that will comply by means of daily-weighted averaging.

4.4.1.5 v. The instrument or method by which the owner or operator will accurately measure or calculate the volume of each coating (excluding water and exempt compounds), as applied, used each day on each coating unit, line, or operation.

4.4.1.6 vi. The method by which the owner or operator will create and maintain records each day as required in paragraph (d)(2) 4.4.2 of this Section regulation.

4.4.1.7 vii. Calculation of the daily-weighted average, using the procedure in 1.0 of Appendix C (a) of this regulation, for a day representative of current or projected maximum production levels.

4.4.1.8 viii. The time at which the facility's "day" begins if a time other than midnight local time is used to define a "day."

4.4.2 2. Recordkeeping. On and after November 15, 1993, or on and after the initial startup date, the owner or operator of a coating unit, line, or operation referenced in paragraph (d) 4.4 of this Section regulation and complying by means of daily-weighted averaging shall collect and record all of the following information each day for each coating unit, line, or operation and maintain the information at the facility for a period of 5 five years:

4.4.2.1 i. The name and identification number of each coating, as applied, on each coating unit, line, or operation.

4.4.2.2 ii. The mass of VOC per volume (excluding water and exempt compounds) and the volume of each coating (excluding water and exempt compounds), as applied, used each day on each coating unit, line, or operation.

4.4.2.3 iii. The daily-weighted average VOC content of all coatings, as applied, on each coating unit, line, or operation calculated according to the procedure in 1.0 of Appendix (a) C of this regulation.

4.4.3 3. Reporting. On and after November 15, 1993, the owner or operator of a subject coating unit, line, or operation referenced in paragraph (d) 4.4 of this Section regulation shall notify the Department in either of the following instances:

4.4.3.1 i. Any record showing noncompliance with the applicable daily-weighted average requirements shall be reported by sending a copy of the record to the Department within 45 calendar days following the occurrence.

4.4.3.2 ii. At least 30 calendar days before changing the method of compliance from daily-weighted averaging to the use of complying coatings or control devices, the owner or operator shall comply with all requirements of paragraph (c)(1) or (e)(1) 4.3.1 or 4.5.1 of this Section regulation, respectively, as well as Regulation No. 2 7 DE Admin. Code 1102. Upon changing the method of compliance from daily-weighted averaging to the use of complying coatings or control devices, the owner or operator shall comply with all requirements of the Ssection of this regulation applicable to the coating unit, line, or operation referenced in paragraph (d) 4.4 of this Section regulation.

4.5 e. Requirements for coating sources using control devices. Any owner or operator of a coating unit, line, or operation subject to the limitations of Section 10 through Section 23 10.0 through 23.0 of this regulation and complying by means of control devices shall comply with the following:

4.5.1 1. Testing of control equipment. By November 15, 1993, or upon startup of a new coating unit, line, or operation, or upon changing the method of compliance for an existing coating unit, line, or operation from the use of complying coatings or daily-weighted averaging to control devices, the owner or operator of the subject coating unit, line, or operation shall perform a compliance test. Testing shall be performed within ninety (90) 90 days of startup, and pursuant to the procedures in Appendix A through Appendix D of this regulation. The owner or operator of the subject coating unit, line, or operation shall submit to the Department the results of all tests and calculations necessary to demonstrate that the subject coating unit, line, or operation is or will be in compliance with the applicable section of this regulation on and after November 15, 1993, or on and after the initial startup date.

4.5.2 2. Recordkeeping. On and after November 15, 1993, or on and after the initial startup date, the owner or operator of a coating unit, line, or operation referenced in paragraph (e) 4.5 of this Section regulation shall collect and record all of the following information each day for each coating unit, line, or operation and maintain the information at the facility for a period of 5 five years:

4.5.2.1 i. The name and identification number of each coating used on each coating unit, line, or operation.

4.5.2.2 ii. The mass of VOC per unit volume of coating solids, as applied, the volume solids content, as applied, and the volume, as applied, of each coating used each day on each coating unit, line, or operation.

4.5.2.3 iii. The maximum VOC content (mass of VOC per unit volume of coating solids, as applied) or the daily-weighted average VOC content (mass of VOC per unit volume of coating solids, as applied) of the coatings used each day on each coating unit, line, or operation.

4.5.2.4 iv. The required overall emission reduction efficiency for each day for each coating unit, line, or operation as determined in Section 10(e)(1)(iii), Section 11(d), Section 12(e)(1)(iii), Section 13(e)(1)(iii), Section 14(e)(1)(iii), Section 15(e)(1)(iii), Section 16(e)(1)(iii), Section 17(e)(1)(iii), Section 18(e)(1)(iii), Section 19(e)(1)(iii), Section 20(e)(1)(iii), Section 21(e)(1)(iii), Section 22(e)(1)(iii), Section 23(e)(1)(iii) 10.5.1.3, 11.4, 12.5.1.3, 13.5.1.3, 14.5.1.3, 15.5.1.3, 16.5.1.3, 17.5.1.3, 18.5.1.3, 19.5.1.3, 20.5.1.3, 21.5.1.3, 22.5.1.3, 23.5.1.3 of this regulation.

4.5.2.5 v. The actual overall emission reduction efficiency achieved for each day for each coating unit, line, or operation as determined in 3.0 of Appendix (c) D of this regulation.

4.5.2.6 vi. Control device monitoring data.

4.5.2.7 vii. A log of operating time for the capture system, control device, monitoring equipment, and the associated coating unit, line, or operation.

4.5.2.8 viii. A maintenance log for the capture system, control device, and monitoring equipment detailing all routine and non-routine maintenance performed including dates and duration of any outages.

4.5.2.9 ix. For thermal incinerators, all 3-hour periods of operation in which the average combustion temperature was more than 28°C (50°F) below the average combustion temperature during the most recent performance test that demonstrated that the facility was in compliance. The combustion chamber set-point shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

4.5.2.10 x. For catalytic incinerators, all 3-hour periods of operation in which the average temperature of the process vent stream immediately before the catalyst bed is more than 28°C (82°F) below the average temperature of the process vent stream immediately before the catalyst bed during the most recent performance test that demonstrated that the facility was in compliance. The set-point for the process vent stream immediately before the catalyst bed shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

4.5.2.11 xi. For carbon adsorbers, all 3 three-hour periods of operation during which either the average VOC concentration or the reading of organics in the exhaust gases is more than 20% percent greater than the average exhaust gas concentration or reading measured by the organics monitoring device during the most recent determination of the recovery efficiency of the carbon adsorber that demonstrated that the facility was in compliance.

4.5.3 3. Reporting. On and after November 15, 1993, the owner or operator of a subject coating unit, line, or operation referenced in paragraph (e) 4.5 of this Section regulation shall notify the Department in either of the following instances:

4.5.3.1 i. Any record showing noncompliance with the applicable requirements for control devices shall be reported by sending a copy of the record to the Department within 45 calendar days following the occurrence.

4.5.3.2 ii. At least 30 calendar days before changing the method of compliance from control devices to the use of complying coatings or daily-weighted averaging, the owner or operator shall comply with all requirements of paragraph (c)(1) 4.3.1 or (d)(1) 4.4.1 of this Section regulation, respectively, as well as Regulation No. 2 7 DE Admin. Code 1102. Upon changing the method of compliance from control devices to the use of complying coatings or daily-weighted averaging, the owner or operator shall comply with all requirements of the section of this regulation applicable to the coating unit, line, or operation referenced in paragraph (e) 4.5 of this Section regulation.

5.1 a. Initial compliance certification. The owner or operator of any facility containing sources subject to this Section 5.0 of this regulation shall submit to the Department an initial compliance certification by November 15, 1993. The owner or operator of any new facility containing sources that become subject to this Section 5.0 of this regulation after November 15, 1992 shall submit an initial compliance certification immediately upon startup of the facility.

5.1.1 1. The initial compliance certification shall provide at a minimum the following information:

5.1.1.1 i. The name and location of the facility.

5.1.1.2 ii. The address and telephone number of the person responsible for the facility.

5.1.1.3 iii. Identification of subject sources.

5.1.2 2. For each subject source, the initial compliance certification shall also provide at a minimum:

5.1.2.1 i. The applicable emission limitation, equipment specification, or work practice.

5.1.2.2 ii. The method of compliance.

5.1.2.3 iii. For each source subject to numerical emission limitations of this regulation, the estimated emissions without control.

5.1.2.4 iv. The control system(s) or systems in use.

5.1.2.5 v. The design performance efficiency of the control system.

5.1.2.6 vi. For each source subject to numerical emission limitations of this regulation, the estimated emissions after control.

5.1.2.7 vii. Certification that each subject source at the facility is in compliance with the applicable emission limitation, equipment specification, or work practice.

5.1.2.8 viii. The time at which the facility's "day" begins if a time other than midnight local time is used to define a "day."

5.2 b. Reports of excess emissions. The owner or operator of any facility containing sources subject to this Section 5.0 of this regulation shall, for each occurrence of excess emissions, within 30 calendar days of becoming aware of such occurrence, supply the Department with the following information, in addition to complying with any other reporting requirements mandated by the State of Delaware:

5.2.1 1. The name and location of the facility.

5.2.2 2. The subject sources that caused the excess emissions.

5.2.3 3. The time and date of first observation of the excess emissions.

5.2.4 4. The cause and expected duration of the excess emissions.

5.2.5 5. For sources subject to numerical emission limitations, the estimated rate of emissions (expressed in the units of the applicable emission limitation) and the operating data and calculations used in determining the magnitude of the excess emissions.

5.2.6 6. The proposed corrective actions and schedule to correct the conditions causing the excess emissions.

5.3 c. Requirements for sources using control devices.

5.3.1 1. Testing of control equipment. By November 15, 1993, or upon startup of a new source, or upon changing the method of compliance for an existing source, the owner or operator of the subject source shall perform all tests and submit to the Department the results of all tests and calculations necessary to demonstrate that the subject source will be in compliance with the applicable section of this regulation on and after November 15, 1993, or on and after the initial startup date.

5.3.2 2. Recordkeeping.

5.3.2.1 i. Each owner or operator of a source subject to this Section 5.0 of this regulation shall maintain up-to-date, readily accessible continuous records of any equipment operating parameters specified to be monitored in the applicable section of this regulation as well as up-to-date, readily accessible records of periods of operation during which the parameter boundaries established during the most recent performance test are exceeded. These records shall be maintained for at least 5 five years. The Department may at any time require a report of these data. Periods of operation during which the parameter boundaries established during the most recent performance tests are exceeded are defined as follows:

5.3.2.1.1 A. For thermal incinerators, all 3 three-hour periods of operation in which the average combustion temperature was more than 28°C (50°F) below the average combustion temperature during the most recent performance test that demonstrated that the facility was in compliance. The combustion chamber set-point shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

5.3.2.1.2 B. For catalytic incinerators, all 3 three-hour periods of operation in which the average temperature of the process vent stream immediately before the catalyst bed is more than 28°C (50°F) below the average temperature of the process vent stream immediately before the catalyst bed during the most recent performance test that demonstrated that the facility was in compliance. The set-point for the process vent stream immediately before the catalyst bed shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

5.3.2.1.3 C. For carbon adsorbers, all 3 three-hour periods of operation during which either the average VOC concentration or the reading of organics in the exhaust gases is more than 20% percent greater than the average exhaust gas concentration or reading measured by the organics monitoring device during the most recent determination of the recovery efficiency of the carbon adsorber that demonstrated that the facility was in compliance.

5.3.2.2 ii. A log of operating time for the capture system, control device, monitoring equipment, and the associated source.

5.3.2.3 iii. A maintenance log for the capture system, control device, and monitoring equipment detailing all routine and non-routine maintenance performed including dates and duration of any outages.

Each owner or operator of a source subject to this regulation shall maintain all records necessary for determining compliance with this regulation at the facility for a period of 5 five years.

7.1 a. No owner or operator subject to this regulation may build, erect, install, or use any article, machine, equipment, process, or other method the use of which conceals emissions that would otherwise constitute non-compliance with an applicable section of this regulation.

7.2 b. Paragraph (a) of this Section 7.1 of this regulation includes, but is not limited to, the use of gaseous diluents to achieve compliance, and the piecemeal carrying out of an operation to avoid coverage by a section of this regulation that applies only to operations larger than a specified size.

7.3 c. No owner or operator of a facility subject to this regulation shall discharge or dispose of VOCs or material containing VOCs to surface impoundments, pits, wastewater treatment facilities or sewers for the purpose of circumventing any provision or requirement of this regulation.

8.1 a. No owner or operator of a facility subject to this regulation may cause, allow, or permit the disposal of more than 5 five kilograms (kg) (11 pounds [lb]) of any VOC, or of any materials containing more than 5 five kg (11 lb) of any VOCs, at that facility in any 1 one day in a manner that would permit the evaporation of VOC into the ambient air. This provision does not apply to:

8.1.1 1. Any VOC or material containing VOC emitted from a regulated entity that is subject to a VOC standard under this regulation.

8.1.2 2. Coating sources that are exempt from the emission limitations of Section 10 through Section 23 10.0 through 23.0 of this regulation.

8.1.3 3. Waste paint (sludge) handling systems, water treatment systems, and other similar operations at coating facilities using complying coatings.

8.1.4 4. Any VOC or material containing VOCs used during process maintenance turnarounds for cleaning purposes, provided that the provisions of 8(c), (d) and (e) 8.3, 8.4 and 8.5 are followed.

8.2 b. Paragraph (a) of this Section 8.2 of this regulation includes, but is not limited to, the disposal of VOC from VOC control devices.

8.3 c. No owner or operator of a facility subject to this regulation shall use open containers for the storage or disposal of cloth or paper impregnated with VOCs that are used for surface preparation, cleanup, or coating removal. Containers for the storage or disposal of cloth or paper impregnated with VOCs shall be kept closed, except when adding or removing material.

8.4 d. No owner or operator of a facility subject to this regulation shall store in open containers spent or fresh VOC to be used for surface preparation, cleanup or coating removal. Containers for the storage of spent or fresh VOCs shall be kept closed, except when adding or removing material.

8.5 e. No owner or operator of a facility subject to this regulation shall use VOC for the cleanup of spray equipment unless equipment is used to collect the cleaning compounds and to minimize their evaporation to the atmosphere.

9.1 a. Compliance with the provisions of this regulation is required immediately upon promulgation.

9.2 b. Permits. After the effective date of this regulation, no owner or operator shall construct, modify or operate any source subject to this regulation without first obtaining a permit for such construction, modification or operation pursuant to the provisions of Regulation No. 2 7 DE Admin. Code 1102.

9.3 c. Compliance Programs and Schedules. For sources as a result of this regulation that are required to make major process changes and/or major capital expenditures, as determined by the Department, an acceptable program to comply with this regulation shall be developed and submitted to the Department by the owner and/or operator of such source within one hundred eighty (180) 180 days of the effective date of the regulation. The program shall include the dates for ordering, receiving, installation and startup of necessary equipment. All such programs shall contain a schedule and timetable for compliance certification, including increments of progress which will require compliance with the applicable requirements as expeditiously as practicable, but not later than the date specified in the applicable requirement. [Note: For federal purposes and for federal enforcement, no such program approved by the Department shall be federally-approved pursuant to the Clean Air Act until the Administrator of the U.S. EPA determines that such program was approved in accordance with these requirements, or within the applicable provisions of the Federal Clean Air Act, and any such program approved by the Department shall cease to be federally approved upon a determination by the Administrator of the U.S. EPA that it was not issued in accordance with the applicable provisions of the Federal Clean Air Act].

9.4 d. Enforceability. For the purpose of federal enforceability of the provisions of this regulation, references to the Department shall also mean the Administrator of the U.S. EPA.

10.1 a. Applicability

10.1.1 1. Except as provided for in (a)(2) and (a)(3) 10.1.2 and 10.1.3 of this regulation, this Section 10.0 of this regulation applies to any owner or operator of any aerospace manufacturing or rework facility that conducts any of the following operation(s) or operations:

10.1.1.1 i. hand-wipe cleaning;

10.1.1.2 ii. spray gun cleaning;

10.1.1.3 iii. flush cleaning;

10.1.1.4 iv. primer, topcoat, self-priming topcoat, and specialty coating application;

10.1.1.5 v. the depainting of the outer surface of aerospace vehicles (except for depainting parts or units normally removed during depainting);

10.1.1.6 vi. Type I or Type II chemical milling maskant application; and

10.1.1.7 vii. VOC handling and storage.

10.1.2 2. Except for the requirements in paragraph (c)(8) 10.3.8 of this regualtion, this Section 10.0 of this regulation does not apply to the following operations in any aerospace manufacturing or rework facility:

10.1.2.1 i. Chemical milling;

10.1.2.2 ii. Metal finishing;

10.1.2.3 iii. Electrodeposition (except for the electrodeposition of paints); and

10.1.2.4 iv. Composite processing operations (except for cleaning and coating of composite parts or components that become part of an Aerospace vehicle or component as well as composite tooling that comes in contact with such composite parts or components prior to cure).

10.1.3 3. The requirements of this Section 10.0 of this regulation do not apply to aerospace manufacturing or rework facilities whose plant-wide, actual emissions from the operations in paragraph (a)(1) without control devices are less than 6.8 kilograms (kg) (15 pounds [lbs]) of volatile organic compounds (VOCs) per day.

10.1.4 4. Existing sources affected by this Section 10.0 of this regulation shall comply with the provisions of this Section 10.0 of this regulation on and after the effective date of this Section 10.0 of this regulation, except for the requirements of paragraph (c)(6)(ii) and (c)(7) 10.3.6.2 and 10.3.7 of this regulation. Existing sources affected by this Section 10.0 of this regulation shall comply with the requirements of paragraph (c)(6)(ii) and (c)(7) 10.3.6.2 and 10.3.7 of this regulation beginning as soon as practical, but no later than the date one year after the effective date of this Section 10.0 of this regulation. New, modified, or reconstructed sources affected by this Section 10.0 of this regulation shall comply with the provisions of this Section 10.0 of this regulation on and after startup. Not withstanding Section (1)(e) of Regulation 24 1.5 of this regulation, any owner or operator currently permitted under Regulation 2 and/or Regulation 30 7 DE Admin. Code 1102 or 1130, or both 1102 and 1130 to operate an aerospace manufacturing or rework facility shall submit to the Department an application to amend the current permit and to comply with the provisions of this Section, pursuant to Regulation 2 and/or Regulation 30 7 DE Admin. Code 1102 or 1130, or both 1102 and 1130, as applicable.

10.1.5 5. Any facility that becomes or is currently subject to the provisions of this Section 10.0 of this regulation by exceeding the applicability threshold in paragraph (a)(3) 10.1.3 of this Section regulation shall remain subject to these provisions even if its emissions later fall below the applicability threshold.

10.1.6 6. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and shall remain subject to these provisions, even if its throughput or emissions later fall below the applicability threshold.

10.2 b. Definitions. As used in this Section 10.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 of Regulation 24 2.0 of this regulation of the State of Delaware “Regulations Governing the Control of Air Pollution.”

“Ablative coating” means a specialty coating that chars when exposed to open flame or extreme temperatures, as would occur during the failure of an engine casing or during aerodynamic heating. The ablative char surface serves as an insulation barrier, protecting adjacent components from the heat or open flame.

“Adhesion promoter” means a very thin specialty coating applied to a substrate to promote wetting and form a chemical bond with the subsequently applied material.

“Adhesive bonding” means the joining together of two or more metal parts, such as the parts of a honeycomb core. The surfaces to be bonded are first coated with an adhesive bonding primer to promote adhesion and protect from subsequent corrosion. Structural adhesives are applied as either a thin film or as a paste, and can be oven cured or cured in an autoclave.

“Adhesive bonding primer” means a specialty coating that is applied in a thin film to aerospace components for the purpose of corrosion inhibition and increased adhesive bond strength by attachment. There are two categories of adhesive bonding primers: primers with a design cure at 250^oF or below and primers with a design cure above 250^oF.

“Aerospace manufacturing or rework facility” means a commercial, civil, or military facility that produces in any amount an aerospace vehicle or component, or a commercial, civil, or military facility that reworks (or repairs) any aerospace vehicle or component.

“Aerospace vehicle or component” means any fabricated part, processed part, assembly of parts, or completed unit of any aircraft including, but not limited to, airplanes, helicopters, missiles, rockets, and space vehicles.

“Aircraft fluid system” means those systems that handle hydraulic fluids, fuel, cooling fluids, or oils.

“Aircraft transparency” means the aircraft windshield, canopy, passenger windows, lenses and other components that are constructed of transparent materials.

“Antichafe coating” means a coating applied to areas of moving aerospace components that may rub during normal operations or installation.

“Bearing coating” means a specialty coating applied to an antifriction bearing, a bearing housing, or the area adjacent to such a bearing in order to facilitate bearing function or to protect base material from excessive wear. A material shall not be classified as a bearing coating if it can also be classified as a dry lubricative material or a solid film lubricant.

“Bonding maskant” means a temporary specialty coating used to protect selected areas of aerospace parts from strong acid or alkaline solutions during processing for bonding.

“Brush coating” means the application of a coating material to a substrate by means of a brush (this technique is commonly used for touch-up and maskant operations).

“Caulking and smoothing compounds” means semi-solid specialty coating materials which are applied by hand application methods and are used to aerodynamically smooth exterior vehicle surfaces or fill cavities such as bolt hole accesses. A material shall not be classified as a caulking and smoothing compound if it can also be classified as a sealant.

“Chemical agent-resistant coating (CARC)” means an exterior topcoat; specialty coating designed to withstand exposure to chemical warfare agents or the decontaminants used on these agents.

“Chemical milling” means a process used to reduce the thickness of selected areas of metal parts in order to reduce weight by submerging the metal parts in an etchant.

“Chemical milling maskant” means a coating that is applied directly to aluminum components to protect surface areas when chemically milling the component with a Type I or II etchant. Type I chemical milling maskants are used with a Type I etchant and Type II chemical milling maskants are used with a Type II etchant. This definition does not include bonding maskants, critical use and line sealer maskants, and seal coat maskants. Additionally, maskants that must be used with a combination of Type I or II etchants and any of the above types of maskants (i.e., bonding, critical use and line sealer, and seal coat) are not included.

“Chemical milling maskant application” means the use of spray equipment or a dip tank to apply a Chemical milling maskant, prior to chemically milling the component with a Type I or II etchant.

“Cleaning operation” means collectively spray gun, hand-wipe, and flush cleaning operations.

“Cleaning solvent” means a liquid VOC containing material used for hand-wipe, spray gun, or flush cleaning.

“Clear coating” means a transparent coating applied to any substrate.

“Coating” means a material that is applied to the surface of an aerospace vehicle or component to form a decorative, protective, or functional solid film, or the solid film itself.

“Coating operation” means the use of a spray booth, tank, or other enclosure or area, such as a hangar, for the application of a single type of coating (e.g., primer). The use of the same spray booth for the application of another type of coating (e.g., topcoat) constitutes a separate coating operation for which compliance determinations are performed separately.

“Commercial exterior aerodynamic structure primer” means a specialty coating primer used on aerodynamic components and structures that protrude from the fuselage, such as wings and attached components, control surfaces, horizontal stabilizers, vertical fins, wing-to-body fairings, antennae, and landing gear and doors, for the purpose of extended corrosion protection and enhanced adhesion.

“Commercial interior adhesive” means specialty coating materials used in the bonding of passenger cabin interior components that meet the FAA fireworthiness requirements.

“Compatible substrate primer” means a specialty coating that is either a compatible epoxy primer or an adhesive primer. Compatible epoxy primer is primer that is compatible with the filled elastomeric coating and is epoxy based. The compatible substrate primer is an epoxy-polyamide primer used to promote adhesion of elastomeric coatings such as impact-resistant coatings. Adhesive primer is a coating that (1) inhibits corrosion and serves as a primer applied to bare metal surfaces or prior to adhesive application, or (2) is applied to surfaces that can be expected to contain fuel. Fuel tank coatings are excluded from this category.

“Composite processing operations” include layup, thermal forming, debulking, curing, break-out, compression molding, and injection molding. Layup means the process of assembling the layers of the composite structure by positioning composite material in a mold and impregnating the material with a resin. Thermal forming means the process of forming the layup in a mold, which usually takes place in an autoclave. Debulking means the simultaneous application of low-level heat and pressure to the composite structure to force out excess resin, trapped air, vapor, and volatiles from between the layers of the composite structure. Curing means the process of changing the resin into a solid material through a polymerization reaction. Break-out means the removal of the composite structure from the mold or curing fixtures. Compression molding means the process of filling one half of molds with a molding compound, closing the mold, and applying heat and pressure until the material is cured. Injection molding means the use of a closed mold, where the molding compound is injected into the mold, maintained under pressure, and then cured by applying heat.

“Corrosion prevention system” means a coating system that provides corrosion protection by displacing water and penetrating mating surfaces, forming a protective barrier between the metal surface and moisture. Coatings containing oils or waxes are excluded from this category.

“Critical use line and sealer maskant” means a temporary specialty coating, not covered under other maskant categories, used to protect selected areas of aerospace parts from strong acid or alkaline solutions such as those used in anodizing, plating, chemical milling and processing of magnesium, titanium, or high-strength steel, high-precision aluminum chemical milling of deep cuts, and aluminum chemical milling of complex shapes. Materials used for repairs or to bridge gaps left by scribing operations (i.e., line sealer) are also included in this category.

“Cryogenic flexible primer” means a specialty coating primer designed to provide corrosion resistance, flexibility, and adhesion of subsequent coating systems when exposed to loads up to and surpassing the yield point of the substrate at cryogenic temperatures (-275^oF and below).

“Cryoprotective coating” means a specialty coating that insulates cryogenic or subcooled surfaces to limit propellant boil-off, maintain structural integrity of metallic structures during ascent or re-entry, and prevent ice formation.

“Cyanoacrylate adhesive” means a fast-setting, single component specialty coating adhesive that cures at room temperature. Also known as “super glue.”

“Depainting” means the removal of any coating from the outer surface of an aerospace vehicle or component by either chemical or non-chemical means.

“Depainting operation” means the use of a chemical agent, media blasting, or any other technique to remove coatings from the outer surface of aerospace vehicles or components. The depainting operation includes washing of the aerospace vehicle or component to remove residual stripper and coating residue.

“Dip coating” means the application of a coating material to a substrate by dipping the part into a tank of the coating material.

“Dry lubricative material” means a specialty coating consisting of lauric acid, cetyl alcohol, waxes, or other noncross linked or resin-bound materials that act as a dry lubricant.

“Electric or radiation-effect coating” means a specialty coating or coating system engineered to interact, through absorption or reflection, with specific regions of the electromagnetic energy spectrum, such as the ultraviolet, visible, infrared, or microwave regions. Uses include, but are not limited to, lightning strike protection, electromagnetic pulse (EMP) protection, and radar avoidance. Coatings that have been designated as “classified” by the Department of Defense are exempt.

“Electrodeposition” means an additive process for metal substrates in which another metal layer is added to the substrate in order to enhance corrosion and wear resistance necessary for the successful performance of the component. The two types of electrodeposition typically used are electroplating and plasma arc spraying.

“Electrostatic discharge and electromagnetic interference (EMI) coating” means a specialty coating applied to space vehicles, missiles, aircraft radomes, and helicopter blades to disperse static energy or reduce electromagnetic interference.

“Electrostatic spray” means a method of applying a spray coating in which opposite electrical charges are applied to the substrate and the coating. The coating is attracted to the substrate by the electrostatic potential between them.

“Elevated-temperature Skydrol-resistant commercial primer” means a specialty coating primer applied primarily to commercial aircraft (or commercial aircraft adapted for military use) that must withstand immersion in phosphate-ester (PE) hydraulic fluid (Skydrol 500b or equivalent) at the elevated temperature of 150^oF for 1,000 hours.

“Epoxy polyamide topcoat” means a specialty coating used where harder films are required or where engraving is accomplished in camouflage colors.

“Etchant” means a chemical used to mill a part or subassembly (e.g., sodium hydroxide for aluminum parts).

“Exempt solvent” means an organic compound that has been determined to have negligible photochemical reactivity, as specified, and is defined in Regulation 24, Section 2 2.0 of this regulation under “exempt compounds.”

“Fire-resistant (interior) coating” means for civilian aircraft, fire-resistant interior coatings used on passenger cabin interior parts that are subject to the FAA fire worthiness requirements. For military aircraft, fire-resistant interior coatings mean coatings that are used on parts that are subject to the flammability requirements of MIL-STD-1630A and MIL-A-87721. For space applications, fireresistant interior coatings means coatings that are used on parts that are subject to the flammability requirements of SE-R-0006 and SSP 30233.

“Flexible primer” means a specialty coating primer that meets flexibility requirements such as those needed for adhesive bond primed fastener heads or on surfaces expected to contain fuel. The flexible coating is required because it provides a compatible, flexible substrate over bonded sheet rubber and rubber-type coatings as well as a flexible bridge between the fasteners, skin, and skin-to-skin joints on outer aircraft skins. This flexible bridge allows more topcoat flexibility around fasteners and decreases the chance of the topcoat cracking around the fasteners. The result is better corrosion resistance.

“Flow coating” means the application of a coating material to a substrate by pouring the coating over the suspended part.

“Flush cleaning” means the cleaning of an aerospace vehicle or component by passing solvent over, into, or through the vehicle or component. The solvent may simply be poured into the vehicle or component and then drained, or assisted by air or hydraulic pressure, or by pumping. Hand-wipe cleaning operations where wiping, scrubbing, mopping, or other hand action is used are not flush cleaning operations.

“Formulation” means a specific coating made by a specific manufacturer. Each different color of a specific coating is considered a separate formulation.

“Fuel tank adhesive” means a specialty coating adhesive used to bond components exposed to fuel which shall be compatible with fuel tank coatings.

“Fuel tank coating” means a specialty coating applied to fuel tank components for the purpose of corrosion and/or bacterial growth inhibition, and to assure sealant adhesion in extreme environmental conditions.

“Hand-wipe cleaning operation” means the removal of contaminants such as dirt, grease, oil, and coatings from aerospace vehicles or components by physically rubbing them with a material such as a rag, paper, or cotton swab that has been moistened with a cleaning solvent.

“High temperature coating” means a specialty coating designed to withstand temperatures of more than 350^oF.

“High volume low pressure (HVLP) spray equipment” means spray equipment that is used to apply coatings using a spray gun that operates at equal to or less than 10.0 psig of atomized air pressure at the air cap.

“Insulation covering” means a specialty coating material that is applied to foam insulation to protect the insulation from mechanical or environmental damage.

“Intermediate release coating” means a thin specialty coating applied beneath topcoats to assist in removing the topcoat in depainting operations, which generally allows the use of less hazardous depainting methods.

“Lacquer” means a clear or pigmented specialty coating formulated with a nitrocellulose or synthetic resin to dry by evaporation without a chemical reaction. Lacquers are resoluble in their original solvent.

“Leak” means any visible leakage, including misting and clouding.

“Limited access space” means internal surfaces or passages of an aerospace vehicle or component that cannot be reached for the application of coatings without the aid of an airbrush or a spray gun extension.

“Metal finishing” means conversion coating, anodizing, desmutting, descaling, and any operation that chemically affect the surface layer of a part, and is used to prepare the surface of a part for better adhesion, improved surface hardness, and improved corrosion resistance.

“Metalized epoxy coating” means a specialty coating that contains relatively large quantities of metallic pigmentation for appearance and/or added protection.

“Mold release” means a specialty coating applied to a mold surface to prevent the molded piece from sticking to the mold as it is removed.

“Non-chemical-based depainting equipment” means any depainting equipment or technique that does not rely on a chemical stripper to depaint an aerospace vehicle or component (e.g., media blasting equipment).

“Nonstructural adhesive” means a specialty coating adhesive that bonds nonload bearing aerospace components in noncritical applications and is not covered in any other specialty adhesive categories.

“Optical anti-reflective coating” means a coating with a low reflectance in the infrared and invisible wavelength ranges that is used for anti-reflection on or near optical and laser hardware.

“Part marking coating” means a specialty coating or ink used to make identifying markings on materials, components, and/or assemblies. These markings may be either permanent or temporary.

“Pretreatment coating” means an organic specialty coating that contains at least 0.5% percent acids by weight and is applied directly to metal or composite surfaces to provide surface etching, corrosion resistance, adhesion, and ease of stripping.

“Primer” means the first layer and any subsequent layers of identically formulated coating applied to the surface of an aerospace vehicle or component. Primers are typically used for corrosion prevention, environment protection, functional fluid resistance, and adhesion promotion of subsequent coatings. Primers that are defined as specialty coatings are not included under this definition.

“Radome” means the non-metallic protective housing for electromagnetic transmitters and receivers (e.g., radar, electronic countermeasures, etc.).

“Rain erosion-resistant coating” means a specialty coating or coating system used to protect the leading edges of parts such as flaps, stabilizers, radomes, engine inlet nacelles, etc. against erosion caused by rain impact during flight.

“Research and development” means an operation whose primary purpose is for research and development of new processes and products and that is conducted under the close supervision of technically trained personnel and is not involved in the manufacture of final or intermediate products for commercial purposes, except in a de minimis manner.

“Rocket motor bonding adhesive” means a specialty coating adhesive used in rocket motor bonding applications.

“Rocket motor nozzle coating” means a catalyzed epoxy specialty coating system used in elevated temperature applications on rocket motor nozzles.

“Rubber-based adhesive” means a quick setting, specialty coating contact cement that provides a strong, yet flexible bond between two mating surfaces that may be of dissimilar materials.

“Scale inhibitor” means a specialty coating that is applied to the surface of a part prior to thermal processing to inhibit the formation of scale.

“Screen print ink” means a specialty coating ink used in screen printing processes during fabrication of decorative laminates and decals.

“Sealant” means a specialty coating material used to prevent the intrusion of water, fuel, air, or other liquids or solids from certain areas of aerospace vehicles or components. There are two categories of sealants: extrudable/rollable/brushable sealants and sprayable sealants.

“Seal coat maskant” means a specialty coating overcoat applied over a maskant to improve abrasion and chemical resistance during production operations.

“Self-priming topcoat” means a coating that is applied directly to an Aerospace vehicle or component for purposes of corrosion protection, environmental protection, and functional fluid resistance and that is not subsequently topcoated. More than one layer of identical coating formulation may be applied to the aerospace vehicle or component. Self-priming topcoats that are defined as specialty coatings are not included under this definition.

“Silicone insulation material” means an insulating specialty coating material applied to exterior metal surfaces for protection from high temperatures caused by atmospheric friction or engine exhaust. These materials differ from ablative coatings in that they are not “sacrificial.”

“Solids” means the nonvolatile portion of the coating that after drying makes up the dry film.

“Solid film lubricant” means a very thin specialty coating consisting of a binder system containing as its main pigment material one or more of the following: molybdenum, graphite, polytetrafluoroethylene (PTFE), or other solids that act as a dry lubricant between faying (i.e., closely or tightly fitting) surfaces.

“Space vehicle” means a man-made device, either manned or unmanned, designed for operation prototypes, molds, jigs, tooling, hardware jackets, and test coupons. Also included is auxiliary equipment associated with test, transport, and storage that through contamination can compromise the space vehicle performance.

“Specialty coating” means a coating that, even though it meets the definition of a primer, topcoat, or self-priming topcoat, has additional performance criteria beyond those of primers, topcoats, and selfpriming topcoats for specific applications. These performance criteria may include, but are not limited to, temperature or fire resistance, substrate compatibility, antireflection, temporary protection or marking, sealing, adhesively joining substrates, or enhanced corrosion protection. A specialty coating is any coating listed in Table 7-1 10-1 of this regulation and defined in paragraph (b) 10.2 of this Section regulation.

“Specialized function coating” means a specialty coating that fulfills extremely specific engineering requirements that are limited in application and are characterized by low volume usage. This category excludes coatings covered in other Specialty Coating categories.

“Spray gun” means a device that uses air pressure or air flow to atomize a coating or other material, and to project the atomized coating particulates or other material onto a component.

“Stripper” means a liquid that is applied to an aerospace vehicle or component to remove primer, topcoat, self-priming topcoat, or coating residue.

“Structural autoclavable adhesive” means a specialty coating adhesive used to bond load-carrying aerospace components that are cured by heat and pressure in an autoclave.

“Structural nonautoclavable adhesive” means a specialty coating adhesive cured under ambient conditions that is used to bond load-carrying aerospace components or other critical functions, such as nonstructural bonding in the proximity of engines.

“Surface preparation” means the removal of contaminants from the surface of an aerospace vehicle or component, or the activation or reactivation of the surface in preparation for the application of a coating.

“Temporary protective coating” means a specialty coating applied to provide scratch or corrosion protection during manufacturing, storage, or transportation. Two types include peelable protective coatings and alkaline removable coatings. These materials are not intended to protect against strong acid or alkaline solutions. Coatings that provide this type of protection from chemical processing are not included in this category.

“Thermal control coating” means a specialty coating formulated with specific thermal conductive or radiative properties to permit temperature control of the substrate.

“Topcoat” means a coating that is applied over a primer on an aerospace vehicle or component for appearance, identification, camouflage, or protection. Topcoats that are defined as specialty coatings are not included under this definition.

“Touch-up and repair coating” means a coating used to cover minor coating imperfections appearing after the main coating operation.

“Touch-up and repair operation” means that portion of the coating operation that is the incidental application of coating used to cover minor imperfections in the coating finish or to achieve complete coverage. This definition includes out-of-sequence or out-of-cycle coating. Touch-up and repairoperations are not to exceed an area of 4 square feet per aerospace vehicle.

“Type II etchant” or “Type II chemical milling etchant” means a Chemical milling etchant that is a strong sodium hydroxide solution containing amines (Type I etchants do not contain amines).

“Volatile Organic Compound (VOC)” means any compound defined as VOC in Regulation 24, Section 2 2.0 of this regulation - Definitions.

“VOC composite vapor pressure” means the sum of the partial pressures of the compounds defined as VOCs and is determined by the following calculation:

(10-1)

where

W_i = Weight of the Ith VOC compound, grams

W_w = Weight of water, grams

W_e = Weight of nonwater, non-VOC compound, grams

MW_i = Molecular weight of the Ith VOC compound, g/g-mole

MW_w = Molecular weight of water, g/g-mole

MW_e = Molecular weight of exempt compound, g/g-mole

PP_c = VOC composite partial pressure at 20^oC, mm Hg

VP_i = Vapor pressure of the Ith VOC compound at 20^oC, mm Hg

“Wet fastener installation coating” means a specialty coating primer or sealant applied by dipping, brushing, or daubing to fasteners that are installed before the coating is cured.

“Wing coating” means a corrosion-resistant specialty coating topcoat that is resilient enough to withstand the flexing of the wings.

10.3 c. Standards

10.3.1 1. Hand-Wipe Cleaning Operations

10.3.1.1 i. Except as exempted in paragraph (c)(1)(ii) 10.3.1.2 of this regulation, no person subject to this Section 10.0 of this regulation shall cause or allow the use of any cleaning solvent in any hand-wipe cleaning operation that does not comply with one of the following limits:

10.3.1.1.1 A. VOC composite vapor pressure should be less than 45 millimeters (mm) mercury (Hg) (1.8 inches [in] Hg) at 20 degrees Celsius (°C) (68 degrees Fahrenheit [°F]).

10.3.1.1.2 B. Cleaning solvent shall be an aqueous cleaning solvent (i.e., a solvent in which water is at least 80% percent of the solvent, as applied).

10.3.1.2 ii. The requirements of paragraph (c)(1)(i) 10.3.1.1 of this Section regulation shall not apply to the following hand-wipe cleaning operations:

10.3.1.2.1 A. Cleaning during the manufacture, assembly, installation, maintenance, or testing of components of breathing oxygen systems that are exposed to the breathing oxygen.

10.3.1.2.2 B. Cleaning during the manufacture, assembly, installation, maintenance, or testing of parts, subassemblies, or assemblies that are exposed to strong oxidizers or reducers (e.g., nitrogen tetroxide, liquid oxygen, and hydrazine).

10.3.1.2.3 C. Cleaning and surface activation prior to adhesive bonding.

10.3.1.2.4 D. Cleaning of electronics and assemblies containing electronics.

10.3.1.2.5 E. Cleaning of aircraft fluid system and ground support equipment fluid systems that are exposed to the fluid, including air-to-air heat exchangers and hydraulic fluid systems.

10.3.1.2.6 F. Cleaning of fuel cells, fuel tanks, and limited-access spaces.

10.3.1.2.7 G. Surface cleaning of solar cells, coated optics, and thermal control surfaces.

10.3.1.2.8 H. Cleaning during fabrication, assembly, installation, and maintenance of upholstery, curtains, carpet, and other textile materials used on the interior of the aircraft.

10.3.1.2.9 I. Cleaning of metallic and non-metallic materials used in honeycomb cores during the manufacture or maintenance of these cores, and cleaning of the completed cores used in the manufacture of aerospace vehicles or components.

10.3.1.2.10 J. Cleaning of aircraft transparencies.

10.3.1.2.11 K. Cleaning associated with research and development, quality control, and laboratory testing.

10.3.2 2. Spray Gun Cleaning Operations

10.3.2.1 i. No person subject to this Section 10.0 of this regulation shall cause or allow the use of any spray gun cleaning techniques that does not comply with one of the following:

10.3.2.1.1 A. Use of an enclosed spray gun cleaning system that is kept closed when not in use.

10.3.2.1.2 B. Non-atomized discharge of solvent into a waste container that is kept closed when not in use.

10.3.2.1.3 C. Disassembly of the spray gun and placing the parts for cleaning in a vat that is kept closed when not in use.

10.3.2.1.4 D. Atomized spray into a waste container that is fitted with a device that captures atomized solvent emissions.

10.3.2.1.5 E. Any alternative technique that has been demonstrated to, and accepted by the Department as producing emissions that are equal to or less than the emissions from the techniques specified in paragraph (c)(2)(i)(A) through (D) 10.3.2.1.1 through 10.3.2.1.4 of this Section regulation. Emissions from any alternative technique shall be demonstrated pursuant to test protocols that are approved in advance by the Department.

10.3.2.2 ii. Any enclosed spray gun cleaner shall be visually inspected for leaks at least once per month. Such inspection shall occur while the enclosed spray gun cleaner is in operation.

10.3.2.3 iii. Leaks from any enclosed spray gun cleaner shall be repaired as soon as practicable, but no later than 15 days from when the leak is first discovered.

10.3.2.4 iv. If any leak is not repaired by the 15th day after detection, the solvent shall be removed and the enclosed cleaner shall be shut down until the leak is repaired.

10.3.3 3. Flush Cleaning. Any cleaning solvents used during flush cleaning operations shall be handled pursuant to paragraph (c)(8) 10.3.8 of this Section regulation.

10.3.4 4. Primer, Topcoat, and Self-Priming Topcoat Application.

10.3.4.1 i. Except as provided for in paragraph (c)(4)(ii), (d) and (e) 10.3.4.2, 10.4 and 10.5 of this Section regulation, no person subject to this Section 10.0 of this regulation shall cause or allow the application of any primer, topcoat, and/or self-priming topcoat with a VOC content that does not comply with the following limits:

10.3.4.1.1 A. Primers shall have a VOC content equal to or less than 350 g/L (2.9 lb/gal), as applied, excluding water and exempt compounds.

10.3.4.1.2 B. Topcoats and self-priming topcoats shall have a VOC content equal to or less than 420 g/L (3.5 lb/gal), as applied, excluding water and exempt compounds.

10.3.4.2 ii. The requirements of paragraphs (c)(4)(i)(B) 10.3.4.1.2 of this Section regulation shall not apply to facilities that use less than 50 gallons per consecutive rolling 12-month period of a particular formulation of topcoat, or self-priming topcoat provided:

10.3.4.2.1 A. Each topcoat and self-priming topcoat shall have a VOC content equal to or less than 720 g/L (6.0 lb/gal), as applied, excluding water and exempt compounds.

10.3.4.2.2 B. A total of not more than 200 gallons per consecutive rolling 12-month period of all such high VOC coatings are used at the facility.

10.3.4.3 iii. Except as provided for in paragraph (c)(4)(iv) 10.3.4.4 of this Section regulation, no person subject to this Section 10.0 of this regulation shall cause or allow the use of any application technique to apply any primer, topcoat, or self-priming topcoat other than the following:

10.3.4.3.1 A. flow/curtain coat, roll coat, brush coat, dip coat, cotton-tip swab application, electrostatic spray, electrodeposition, or high volume low pressure (HVLP) spray guns;

10.3.4.3.2 B. Any alternate technique that has been demonstrated to and accepted by the Department as providing emissions that are less than or equal to the emissions from HVLP or electrostatic spray application techniques. Emissions from any alternate techniques shall be demonstrated pursuant to test protocols that are approved in advance by the Department. Such tests shall, at a minimum, compare the emission levels determined using an initial 90-day period of HVLP or electrostatic spray attraction techniques with the emission levels determined using the alternate technique for a period of time necessary to coat the equivalent amount of parts with the same coatings.

10.3.4.4 iv. The equipment standards and application techniques in paragraph (c)(4)(iii) 10.3.4.3 of this Section regulation shall not apply to the following primer, topcoat and self-priming topcoat application operations:

10.3.4.4.1 A. The application of coatings in any limited access space.

10.3.4.4.2 B. The application of coatings that contain fillers that adversely affect atomization with HVLP spray guns and cannot be applied by any of the application techniques specified in paragraph (c)(4)(iii) 10.3.4.3 of this Section regulation.

10.3.4.4.3 C. The application of coatings that normally have a dried film thickness of less than 0.0005 inches and cannot be applied by any of the application techniques specified in paragraph (c)(4)(iii) 10.3.4.3 of this Section regulation.

10.3.4.4.4 D. The use of airbrush application methods for stenciling, lettering, and other identification markings.

10.3.4.4.5 E. Any touch-up and repair operation.

10.3.4.5 v. All application equipment shall be operated according to the manufacturer's specifications at all times, even if it is exempt from the equipment standards specified in paragraph (c)(4)(iii) 10.3.4.3 of this Section regulation.

10.3.5 5. Depainting Operation. No person subject to this Section 10.0 of this regulation shall cause or allow the use of any stripper that does not comply with one of the following limits:

10.3.5.1 i. VOC composite vapor pressure shall be less than 10 mm Hg (0.4 in. Hg) at 20°C (68°F).

10.3.5.2 ii. VOC content shall be less than 400 g/L (3.3 lb/gal), as applied, excluding water and exempt compounds.

10.3.6 6. Chemical Milling Maskant Application. Except as provided for in paragraph (d) or (e) 10.4 or 10.5 of this Section regulation, no person subject to this Section 10.0 of this regulation shall cause or allow the application of any chemical milling maskant with a VOC content that does not comply with the following emission limits:

10.3.6.1 i. For any Type I maskant, VOC content shall be equal to or less than 622 g/L (5.2 lbs/gal), as applied, excluding water and exempt compounds; or

10.3.6.2 ii. For any Type II maskant, VOC content shall be equal to or less than 160 g/L (1.3 lbs/gal), as applied, excluding water and exempt compounds.

10.3.7 7. Specialty Coatings. Except as provided for in paragraph (d) or (e) 10.4 or 10.5 of this Section regulation, no person subject to this Section 10.0 of this regulation shall cause or allow the application of any specialty coating that has a VOC content, as applied, excluding water and exempt compounds, that is greater than the limits specified in Table 7-1 10-1 of this regulation:

^a Coating limits expressed in terms of mass (grams) of VOC per volume (liters) of coating less water and less exempt solvent. To convert from g/L to lbs/gallon multiply by 0.00835.

10.3.8 8. VOC Handling and Storage.

10.3.8.1 i. Except as provided in paragraph (c)(8)(ii) 10.3.8.2 of this Section regulation, any person subject to this Section 10.0 of this regulation shall use good house keeping measures when handling any VOC and any VOC-containing material at the facility. Such measures shall include:

10.3.8.1.1 A. Handling and transferring all fresh and spent cleaning solvent and other VOC-containing material to or from any container, tank, vat, vessel, or piping system, etc. in such a manner that minimizes losses.

10.3.8.1.2 B. All fresh and spent solvents and VOC-containing material shall be stored in closed containers at all times except during filling or emptying.

10.3.8.1.3 C. All solvent-laden cloths, papers, or other absorbent materials shall be placed in closed containers immediately after use.

10.3.8.2 ii. The requirements in paragraph (c)(8)(i) 10.3.8.1 of this Section regulation shall not apply to wastes that are determined to be hazardous wastes under the Resource Conservation and Recovery Act of 1976 (PL 94-580) (RCRA), as implemented by 40 Code of Federal Regulations (CFR) Parts 260 and 261, and that are subject to RCRA requirements, as implemented in 40 CFR Parts 262 through 268.

10.4 d. Daily-Weighted Average Limitations. As an alternative to complying with the individual limits specified in paragraphs (c)(4)(i)(A), (c)(4)(i)(B), (c)(6)(i), (c)(6)(ii), and (c)(7) 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1, 10.3.6.2 and 10.3.7 of this Section regulation, coatings in any primer, topcoat, chemical milling maskant, or specialty coating application operation shall not be applied at the facility whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of Regulation 24 this regulation and the provisions listed below, exceeds the applicable emission limits in paragraphs (c)(4)(i)(A), (c)(4)(i)(B), (c)(6)(i), (c)(6)(ii), and (c)(7) 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1, 10.3.6.2 and 10.3.7 of this Section regulation, as applicable.

10.4.1 1. Averaging between primers, topcoats, self-priming topcoats, chemical milling maskants and/or specialty coatings is prohibited.

10.4.2 2. Averaging between coatings used in operations where air emissions are not captured and controlled and coatings used in operations where air emissions are captured and controlled is prohibited.

10.5 e. Control Devices.

10.5.1 1. As an alternative to complying with the individual limits specified in paragraphs (c)(4)(i)(A), (c)(4)(i)(B), (c)(6)(i), (c)(6)(ii), and (c)(7) 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1, 10.3.6.2 and 10.3.7 of this regulation, any person subject to this Section 10.0 of this regulation shall, for any primer, topcoat, self-priming topcoat, chemical milling maskant, and/or specialty coating application operation:

10.5.1.1 i. Install, test, calibrate, operate, maintain, and monitor according to the manufacturer’s specifications, as approved by the Department, an air pollution control device consisting of a capture and control system on that operation; and

10.5.1.2 ii. Demonstrate that the overall emission reduction efficiency achieved is equal to or greater than 81 weight percent %.

10.5.2 2. The procedures in Appendix D and Appendix E of Regulation 24 this regulation shall be used to demonstrate compliance with paragraph (e)(1)(ii) 10.5.1.2 of this Section regulation. The method in Appendix I of Regulation 24 this regulation may be used to determine an alternative multi-day rolling period when calculating the efficiency of any carbon absorption system.

10.6 f. Test Methods.

10.6.1 1. The VOC composite vapor pressure specified in paragraph (c)(1)(i)(A) and paragraph (c)(5)(i) 10.3.1.1.1 and 10.3.5.1 of this Section regulation shall be determined either by using ASTM Method E 260-91, manufacturer’s supplied data, or standard engineering reference text values.

10.6.2 2. The water content specified in paragraph (c)(1)(i)(B) 10.3.1.1.2 of this Section regulation shall be determined using the test methods found in Appendix A and Appendix B of Regulation 24 this regulation.

10.6.3 3. The VOC content specified in paragraph (c)(4)(i)(A) and (c)(4)(i)(B) 10.3.4.1.1 and 10.3.4.1.2 of this regulation shall be determined by using the test method found in Appendix A and Appendix B of Regulation 24 this regulation.

10.7 g. Recordkeeping. Any person subject to this Section 10.0 of this regulation shall maintain at the facility for a minimum period of 5 years from the information’s date of record, all of the following information. Such information shall be immediately submitted to the Department upon written or verbal request.

10.7.1 1. For any person subject to the requirements of paragraph (c)(1) 10.3.1 of this Section regulation (i.e., hand-wipe cleaning operations):

10.7.1.1 i. Identification of each hand-wipe cleaning solvent used at the facility;

10.7.1.2 ii. The composite vapor pressure of each hand-wipe cleaning solvent complying with paragraph (c)(1)(i)(A) 10.3.1.1.1 of this regulation, and all supporting documentation, to include any test reports and/or calculations.

10.7.1.3 iii. The water content of each hand-wipe cleaning solvent complying with paragraph (c)(1)(i)(B) 10.3.1.1.2 of this regulation, and all supporting documentation, to include any test reports and/or calculations.

10.7.1.4 iv. Identification of each hand-wipe cleaning solvent used at the facility pursuant to paragraph (c)(1)(ii) 10.3.1.2 of this Section regulation, and a list of the parts, assemblies, or subassemblies cleaned with each such hand-wipe cleaning solvent.

10.7.2 2. For any person subject to paragraph (c)(2) 10.3.2 of this Section regulation (i.e., spray gun cleaning):

10.7.2.1 i. A description of each method used to clean spray guns.

10.7.2.2 ii. Records of the inspections conducted pursuant to paragraph (c)(2)(ii) 10.3.2.2 of this regulation.

10.7.2.3 iii. For any leak found pursuant to paragraph (c)(2)(ii) 10.3.2.2 of this regulation, records indicating the source of the leak, the date the leak was discovered, and the date the leak was repaired.

10.7.3 3. For any person subject to paragraph (c)(4) 10.3.4 of this Section regulation (i.e., primer, topcoat, and self-priming topcoat application):

10.7.3.1 i. For each coating applied pursuant to paragraph (c)(4)(ii) 10.3.4.2 of this Section regulation.

10.7.3.1.1 A. Not later than the 5th day of each month, identification of each coating used at the facility pursuant to paragraph (c)(4)(ii) 10.3.4.2 of this Section regulation during the preceding month.

10.7.3.1.2 B. The volume used of each coating identified in paragraph (g)(3)(i)(A) 10.7.3.1.1 of this Section regulation.

10.7.3.1.3 C. The summation of the volumes recorded pursuant to paragraph (g)(3)(i)(B) 10.7.3.1.2 of this regulation for the preceding twelve (12) months.

10.7.3.1.4 D. The records required by paragraph (e) of Section 4 of Regulation 24 4.5 of this regulation.

10.7.3.2 ii. A description of the proper operation of all coating application equipment used at the facility.

10.7.3.3 iii. Documentation associated with any alternate coating application techniques approved pursuant to paragraph (c)(4)(iii)(B) 10.3.4.3.2 of this Section regulation.

10.7.4 4. For any person subject to paragraph (c)(4), (c)(6), and (c)(8) 10.3.4, 10.3.6 and 10.3.8 of this Section regulation (i.e., primer, topcoat, self-priming topcoat, chemical milling maskant, and specialty coating application):

10.7.4.1 i. Identification of the control strategy employed (i.e., the combination of complying coatings, daily-weighted averaging, and control devices used at the facility).

10.7.4.2 ii. Where complying coatings are used, the records required by paragraph (c) of Section 4 of Regulation 24 4.3 of this regulation.

10.7.4.3 iii. Where daily-weighted averaging pursuant to paragraph (d) 10.4 of this Section regulation is used, the records required by paragraph (d) of Section 4 of Regulation 24 4.4 of this regulation.

10.7.4.4 iv. Where a control device(s) or devices pursuant to paragraph (e) 10.5 of this Section regulation is used, the records required by paragraph (e) of Section 4 of Regulation 24 4.5 of this regulation.

10.7.5 5. For any person subject to paragraph (c)(5) 10.3.5 of this Section regulation:

10.7.5.1 i. If complying with paragraph (c)(5)(i) 10.3.5.1 of this regulation, the name, VOC composite vapor pressure, and method and supporting documentation used to determine the VOC composite vapor pressure of each stripper used at the facility.

10.7.5.2 ii. If complying with paragraph (c)(5)(ii) 10.3.5.2 of this regulation, the name, VOC content, and method and supporting documentation used to determine the VOC content of each stripper used at the facility.

10.7.5.3 iii. A description of any non-chemical-based depainting equipment used at the facility, to include the name and type of equipment or technique.

10.7.5.4 iv. Records and a description of all malfunctions of non-chemical-based depainting equipment used at the facility, to include the dates and alternative depainting method(s) or methods used.

10.7.5.5 v. A list of any parts, assemblies, or subassemblies normally removed during depainting operations.

10.7.6 6. For any person subject to paragraph (c)(8) 10.3.8 of this Section regulation, a description of the procedures used to ensure that containers are kept closed when not in use and that solvents and other VOC-containing materials are stored in closed containers.

10.8 h. Reporting. Notification of any non-compliance with any requirement of this Section shall be reported to the Department in accordance with Section 4 and 5 of Regulation 24 4.0 and 5.0 of this regulation, as applicable and any other applicable Federal or State reporting requirements.

11.1 a. Applicability

11.1.1 1. This Section applies The provisions of 11.0 of this regulation apply to any person who applies coatings, for the purpose of protection and/or beautification, to mobile equipment or mobile equipment components in the State of Delaware, except:

11.1.1.1 i. The surface coating process at any automobile assembly plant.

11.1.2.2 ii. Persons who do not receive compensation for the application of the coatings.

11.1.3.3 iii. The application of coatings sold in non-refillable aerosol cans.

11.1.2 2. Any person subject to the requirements of this Section 11.0 of this regulation shall be in compliance on or after October 31, 2003.

11.1.3 3. Any person who is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and shall remain subject to those provisions.

11.1.4 4. Compliance with the requirements of this section 11.0 of this regulation are in addition to all other state and federal requirements, to include the requirements of 40 CFR 59, Subpart B, “National Volatile Organic Compound Emission Standards for Automobile Refinish Coatings”.

11.2 b. Definitions. As used in this Section 11.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 of Regulation 24 2.0 of this regulation.

“Airless Spray” means a spray coating method in which the coating is atomized by forcing it through a small nozzle at high pressure. The coating is not mixed with air before exiting from the nozzle opening.

“Electrostatic spray” means the application of charged atomized paint droplets that are deposited by electrostatic attraction.

“High Volume Low Pressure” or “(HVLP)” means a method of spraying a coating, that improves the transfer efficiency while maintaining the air pressure between 0.1 and 10 pounds per square inch gauge (psig).

“Mobile equipment” means any equipment that is physically capable of being driven or drawn upon a highway including, but not limited to, the following types of equipment: automobiles; trucks, truck cabs, truck bodies; buses; motorcycles; ground support vehicles, used in support of aircraft activities at airports; construction vehicles (such as mobile cranes, bulldozers, concrete mixers); farming equipment (such as wheel tractors, plows, and pesticide sprayers); hauling equipment (such as truck trailers, utility bodies, and camper shells); and miscellaneous equipment (such as street cleaners and golf carts).

11.3 c. Standards

11.3.1 1. Any person subject to the requirements of this Section 11.0 of this regulation shall use only the following application techniques:

11.3.1.1 i. Any non-atomized application technique (e.g., Flow/curtain coating, Dip coating, Roller coating, Brush coating, Cotton-tipped swab application coating, Electro-deposition coating, etc.)

11.3.1.2 ii. High Volume Low Pressure (HVLP) spraying;

11.3.1.3 iii. Electrostatic spray;

11.3.1.4 iv. Airless spray;

11.3.1.5 v. Any other coating application technique that the person has demonstrated and the Department has determined achieves emission reductions equivalent to HVLP or electrostatic spray.

11.3.2 2. The following are exempt from the requirements of paragraph (c)(1) 11.3.1 of this Section regulation:

11.3.2.1 i. The use of airbrush application methods for graphics, stenciling, lettering, and other identification markings;

11.3.2.2 ii. The applications of coatings to cover finish imperfections equal to or less than 1 inch in diameter.

11.3.3 3. Spray guns used to apply coatings to mobile equipment or mobile equipment components shall be cleaned by one of the following methods:

11.3.3.1 i. Use of an enclosed spray gun cleaning system that is kept closed when not in use.

11.3.3.2 ii. The unatomized discharge of solvent into a paint waste container that is kept closed when not in use.

11.3.3.3 iii. The disassembly of the spray gun and cleaning in a vat that is kept closed when not in use.

11.3.3.3 iv. The atomized spray into a paint waste container that is fitted with a device designed to capture atomized solvent emissions.

11.3.4 4. Any person subject to the provisions of this Section 11.0 of this regulation shall implement the following housekeeping and pollution prevention measures:

11.3.4.1 i. Fresh and used coatings, solvent, and cleaning solvents shall be stored in non-absorbent, nonleaking containers. The containers shall be kept closed at all times except when filling or emptying.

11.3.4.2 ii. Cloth and paper, or other absorbent applicators, moistened with coatings, solvents, or cleaning solvents shall be stored in closed, non-absorbent, non-leaking containers.

11.3.4.3 iii. Handling and transfer procedures shall minimize spills during the transfer of coatings, solvents, and cleaning solvents.

11.3.5 5. Any person subject to the requirements of this Section 11.0 of this regulation shall be trained in the proper use and handling of coatings, solvents and waste products in order to minimize the emission of air contaminants.

11.3.5.1 i. Proof of training for any person subject to the requirements of this Section 11.0 of this regulation shall be maintained on the facility premises.

11.3.5.2 ii. Acceptable forms of training include equipment or paint manufacturer’s seminars, classes, workshops, or any other training approved by the Department.

12.1 a. Applicability

12.1.1 1. This Section applies The provisions of 12.0 of this regulation apply to any facility that coats plastic components for the following uses:

12.1.1.1 i. Automotive or other transportation equipment including interior and/or exterior parts for automobiles, trucks (light-, medium-, or heavy-duty), large and small farm machinery, motorcycles, construction equipment, vans, buses, lawnmowers, and other mobile, motorized mobilized equipment.

12.1.1.2 ii. Housing and exterior parts for business and commercial machines including, but not limited to, computers, copy machines, typewriters, medical equipment, and entertainment equipment.

12.1.2 2. This Section applies The provisions of 12.0 of this regulation apply to in-house coating processes conducted at original equipment manufacturer (OEM) sites, as well as to coating processes conducted by contractors specializing in molding and coating plastic parts, and by job-shops performing OEM coating only. This Section applies The provisions of 12.0 of this regulation apply to coating operations that include coating application (e.g., spraying, dipping, and flow-coating), flash-off areas, and curing ovens.

12.1.3 3. If a metal component that is permanently attached to a plastic part is coated in a spray booth or on a process line where plastic parts are being coated, this Section the 12.0 of this regulation applies to the coating of both the plastic part and the attached metal component.

12.1.4 4. This Section applies does The provisions of 12.0 of this regulation do not apply to the following operations:

12.1.4.1 i. Coating of interior and exterior parts of aircraft.

12.1.4.2 ii. Coating of exterior of completely assembled marine vessels.

12.1.4.3 iii. Refinishing of aftermarket automobiles, trucks, and other transportation equipment.

12.1.4.4 iv. Coating of internal electrical components of business and commercial machines.

12.1.4.5 v. Coating of a metal component in a spray booth or on a process line that is permanently attached to a plastic part where both the attached metal component and the plastic part are coated subject to the requirements of Section 13 13.0 of this regulation (Auto and Light-Duty Truck Coating Operations) or to Section 22 22.0 of this regulation (Coating of Miscellaneous Metal Parts).

12.1.5 5. The requirements in paragraph (c) 12.3 of this Section regulation do not apply to plastic parts coating facilities whose plant-wide actual emissions, without control devices, from all plastic parts coating operations, are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

12.1.6 6. An owner operator of a facility whose emissions are below the applicability threshold in paragraph (a)(5) 12.1.5 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements listed in Section 4(b) of Regulation 24 4.2 of this regulation.

12.1.7 7. Existing sources affected by this Section 12.0 of this regulation shall comply with the provisions of this Section 12.0 of this regulation as soon as practicable, but no later than April 1, 1996. New, modified, or reconstructed sources affected by this Section 12.0 of this regulation shall comply with the provisions of this Section 12.0 of this regulation upon startup.

12.1.8 8. Any facility that becomes or is currently subject to the provisions of this Section 12.0 of this regulation by exceeding the applicability threshold in paragraph (a)(5) 12.1.5 of this Section regulation shall remain subject to these provisions even if its emissions later fall below the applicability threshold.

12.1.9 9. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and shall remain subject to these provisions, even if its throughput or emissions later fall below the applicability threshold.

12.2 b. Definitions. As used in this Section 12.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 of Regulation 24 2.0 of this regulation.

“Add-on control device” means an air pollution control device, such as a carbon adsorber or an incinerator, which reduces the pollution in an exhaust gas. The control device usually does not affect the process being controlled and is thus considered to be an "add-on" technology, as opposed to a reduction in pollution through an alteration to the basic process.

“Adhesion promoter (primer)” means a coating that is applied to thermoplastic olefin (TPO) parts to promote adhesion of subsequent coatings.

“Affected facility” means any apparatus, subject to a standard, that is involved in the coating of plastic parts.

“Aftermarket automobile” means a vehicle that has been purchased from the original equipment manufacturer.

‘Basecoat/clearcoat” means a two-step topcoat system in which a highly pigmented, often metallic, basecoat is followed by a clearcoat, resulting in a finish with high-gloss characteristics. It is often used on automotive plastic parts.

“Electromagnetic interference/radio frequency interference (EMI/RFI) coating” means a coating that is used in a plastic business machine housing to attenuate electromagnetic and radio frequency interference signals that would otherwise pass through the plastic housing.

“Flexible coating” means a paint that can withstand dimensional changes.

“High-bake coating” means a coating that is designed to cure at temperatures above 90 degrees Celsius (°C) (194 degrees Fahrenheit [°F]).

“Higher-solids coating” means a coating that contains greater amounts of pigment and binder than a conventional coating. Solids are the non-solvent, non-water ingredients in the coating. A higher-solids coating usually contains more than 60% percent solids by volume.

“Low-bake coating” means a coating that is designed to cure at temperatures lower than 90°C (194°F).

“Nonflexible coating” means a paint that cannot withstand dimensional changes.

“Overspray” means the solids portion of a coating which, when sprayed, fails to adhere to the part being coated. The applied solids plus the overspray solids equal the total coating solids delivered by the spray application system.

“Plastic part” means a piece made from a substance that has been formed from resin through the application of pressure and/or heat.

“Solids content” means the non-solvent, non-water ingredients in the coating, which consist of pigments and binders, that do not evaporate and have the potential to form a cured (dry) film. The solids content can be expressed in terms of volume percent or weight percent.

“Specialty coating” means a coating that is used for unusual job performance requirements, usually in small amounts. These products include but are not limited to adhesion primers, resist coatings, soft coatings, reflective coatings, electrostatic prep coatings, headlamp lens coatings, ink pad printing coatings, stencil coatings, texture coatings (automotive), vacuum metalizing coatings, and gloss flatteners.

“Two-component paint” means a coating that is manufactured in two components that are mixed shortly before use. When mixed, the two liquids rapidly crosslink to form a solid composition.

“Waterborne coating” means a coating that contains greater than 5 five weight % percent water in its volatile fraction.

12.3 c. Standards

12.3.1 1. Automotive/Transportation Sector. The VOC content of any automotive/transportation plastic parts surface coating, as applied, shall not exceed the applicable limitations specified in Table 1 12-1 of this regulation.

12.3.2 2. Business Machine Sector. The VOC content of any business machine parts surface coating, as applied, shall not exceed the applicable limitations specified in Table 2 12-2 of this regulation.

12.3.3 3. As an alternative to compliance with the emission limits in paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation, an owner or operator may meet the requirements of paragraph (d) or (e) 12.4 or 12.5 of this Section regulation.

12.4 d. Daily-Weighted Average Limitation. An owner or operator of a plastic parts coating operation in which multiple coatings are applied, all of which are subject to the same numerical emission limits listed in paragraphs (c)(1) or (c)(2) above 12.3.1 or 12.3.2 of this regulation, shall not apply, during the same day, coatings on any operation whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of Regulation 24 this regulation, exceeds the coating VOC content limit for the corresponding coating category.

12.5 e. Control Devices

12.5.1 1. An owner or operator of a plastic parts coating operation subject to this Section 12.0 of this regulation may comply with this Section 12.0 of this regulation by doing all of the following:

12.5.1.1 i. Installing and operating a capture system on that operation.

12.5.1.2 ii. Installing and operating a control device on that operation.

12.5.1.3 iii. Determining for each day the overall emission reduction efficiency need to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in Appendix C of Regulation 24 this regulation for that day, or 95% percent.

12.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in Appendix C of Regulation 24 this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

12.5.2 2. An owner or operator of a plastic parts coating operation subject to this Section 12.0 f this regulation shall ensure that:

12.5.2.1 i. A capture system and a control device are operated at all times the coating operation is in use, and that compliance with this Section 12.0 of this regulation is demonstrated through the use of the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D, and Appendix E of Regulation 24 this regulation.

12.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in Appendix D of Regulation 24 this regulation, and that the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

12.6 f. Test Methods. The test methods found in Appendices A through C of Regulation 24 this regulation shall be used to determine compliance with paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation.

12.7 g. Compliance Certification, Recordkeeping, and Reporting Requirements.

12.7.1 1. An owner or operator of a plastic parts surface coating operation that is exempt from the emission limits listed in paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements listed in Section 4(b) of Regulation 24 4.2 of this regulation.

12.7.2 2. An owner or operator of a plastic parts surface coating operation that is subject to this Section 12.0 of this regulation and that is complying with paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation through the use of compliant coatings shall comply with the certification, recordkeeping, and reporting requirements listed in Section 4(c) of Regulation 24 4.3 of this regulation.

12.7.3 3. An owner or operator of a plastic parts surface coating operation that is subject to this Section 12.0 of this regulation and that is complying with paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation through the use of daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements listed in Section 4(d) of Regulation 24 4.4 of this regulation.

12.7.4 4. An owner or operator of a plastic parts surface coating operation that is subject to this Section 12.0 of this regulation and that is complying with paragraphs (c)(1) and (c)(2) 12.3.1 and 12.3.2 of this Section regulation through the use of control devices shall comply with the certification, reporting, and recordkeeping requirements listed in Section 4(e) of Regulation 24 4.5 of this regulation.

13.1 a. Applicability

13.1.1 1. This Section applies The provisions of 13.0 of this regulation apply to the following coating operations in an automobile or light-duty truck assembly plant: each prime coat operation, each electro-deposition (EDP) prime coat operation, each primer surfacer operation, each topcoat operation, and each final repair operation.

13.1.2 2. The requirements in paragraphs (c)(4), (f), and (i) 13.3.4 and 13.6 and 13.9 of this Section regulation also apply to heavy-duty trucks that use EDP to apply prime coat.

13.1.3 3. Anti-chip coatings, as applied to automobile and light-duty truck components such as, but not limited to, rocker panels, the bottom edge of doors and fenders, and the leading edge of the hood or roof, are considered primer surfacers.

13.1.4 4. Application to metal parts of underbody anti-chip coatings (e.g., underbody plastisol) and coatings other than prime, primer surfacer, topcoat, and final repair shall be subject to the requirements of Section 22 22.0 of this regulation (Miscellaneous Metal Parts).

13.1.5 5. The requirements in paragraph (c) 13.3 of this Section regulation do not apply to automobile and light-duty truck assembly plants whose plant-wide, actual emissions without control devices are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

13.1.6 6. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(5) 13.1.5 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

13.1.7 7. Any facility that becomes or is currently subject to all of the provisions of this Section 13.0 of this regulation by exceeding the applicability threshold in paragraph (a)(5) 13.1.5 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

13.1.8 8. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions later fall below the applicability threshold.

13.2 b. Definitions. As used in this Section 13.0 of this regulation, all terms not defined herein shall have the meaning given them in this regulation or in the Clean Air Act Amendments (CAAA) of November 15, 1990, or in Section 2 2.0 of this regulation.

“Application area” means the area where a coating is applied by dipping or spraying.

“Automobile” means a motor vehicle capable of carrying no more than 12 passengers.

“Automobile and light-duty truck body” means the exterior and interior surfaces of an automobile or light-duty truck including, but not limited to, hoods, fenders, cargo boxes, doors, grill opening panels, engine compartment, all or portions of the passenger compartment, and trunk interior.

“Electro-deposition (EDP)” means a method of applying a prime coat by which the automobile or truck body is submerged in a tank filled with coating material and an electrical field is used to effect the deposition of the coating material on the body.

“EDP prime coat operation” means the application area(s) or areas, flashoff area(s) or areas, and oven(s) or ovens that are used to apply and dry or cure the EDP prime coat on components of automobile and truck bodies on a single assembly line.

“Final repair operation” means the application area(s) or areas, flashoff area(s) or areas, and oven(s) or ovens used to apply and dry or cure coatings that are used to repair topcoat on fully assembled automobiles or light-duty truck bodies from a single assembly line.

“Light-duty truck” means any motor vehicle rated at 3,864 kg (8,500 lb) gross weight or less designed primarily to transport property.

“Prime coat operation” means the application area(s) or areas, flashoff area(s) or areas, and oven(s) or ovens that are used to apply and dry or cure the prime coat on components of automobile and light-duty truck bodies on a single assembly line.

“Primer surfacer operation” means the application area(s) or areas, flashoff area(s) or areas, and oven(s) or ovens that are used to apply and dry or cure primer surfacer between the prime coat and the topcoat operations on components of automobile and light-duty truck bodies on a single assembly line. The primer surfacer coat is also referred to as the "guidecoat."

“Solids turnover ratio (RT)” means the ratio of total volume of coating solids that is added to the EDP system in a calendar month divided by the total volume design capacity of the EDP system.

“Topcoat” means the final coating(s) or coatings on components of automobile and light-duty truck bodies.

“Topcoat operation” means the application area(s) or areas, flashoff area(s) or areas, and oven(s) or ovens used to apply and dry or cure topcoat on components of automobile and light-duty truck bodies on a single assembly line.

“Topcoat protocol” means the EPA document "Protocol for Determining the Daily VOC Emission Rate of Automobile and Light-Duty Truck Topcoat Operations," EPA 450/3-88-018, December 1988.

“Volume design capacity” means for the EDP system the total liquid volume that is contained in the EDP system (tanks, pumps, recirculating lines, filters, etc.) at the system's designed liquid operating level. The EDP system volume design capacity is designated LE.

13.3 c. Standards

13.3.1 1. No owner or operator of an automobile or light-duty truck prime coat operation or final repair operation subject to this Section 13.0 of this regulation shall cause or allow on any day the application of any coating on that operation with VOC content, as applied, that does not comply with one (1) of the following emission limits:

13.3.1.1 i. 0.14 kilograms per liter (kg/L) (1.2 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied, from any prime coat operation.

13.3.1.2 ii. 0.58 kg/L (4.8 lb/gal) of coating, excluding water and exempt compounds, as applied, from any final repair operation.

13.3.1.3 iii. 4.10 kg/L (34.2 lb/gal) of solids deposited from any final repair operation.

13.3.2 2. No owner or operator of an automobile or light-duty truck topcoating operation subject to this Section 13.0 of this regulation shall cause or allow on any day VOC emissions that do not comply with one (1) of the following:

13.3.2.1 i. 1.8 kg/L (15.1 lb/gal) of solids deposited.

13.3.2.2 ii. 0.34 kg/L (2.8 lb/gal) of coating, excluding water and exempt compounds, as applied.

13.3.3 3. No owner or operator of an automobile or light-duty truck primer surface operation subject to this Section 13.0 of this regulation shall cause or allow on any day VOC emissions which do not comply with one (1) of the following:

13.3.3.1 i. 1.8 kg/L (15.1 lb/gal) of solids deposited.

13.3.3.2 ii. 0.34 kg/L (2.8 lb/gal) of coating, excluding water and exempt compounds, as applied.

13.3.4 4. No owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation shall cause or allow on any day the application of any coating on that operation with VOC content, as applied, that exceeds either of the following:

13.3.4.1 i. 0.17 kg/L (1.4 lb/gal) of coating solids from any EDP prime coat operation when the solids turnover ratio (R_T) is 0.16 or greater. RT R_T shall be calculated as follows:

(13-1)

where:

T_V =Total volume of coating solids that is added to the EDP system in a calendar month (liters).

L_E = Volume design capacity of the EDP system (liters).

13.3.4.2 ii. 0.17 x 350 (0.160 - R_T) kg VOC/L of applied coating solids from any EDP prime coat operation when R_T, calculated according to the equation in paragraph (c)(4)(i) 13.3.4.1 of this Section regulation, is greater than or equal to 0.040 and less than 0.160.

13.3.4.3 iii. When R_T, calculated according to the equation in paragraph (c)(4)(i) 13.3.4.1 of this Section regulation, is less than 0.040 for any EDP prime coat operation, there is no emission limit.

13.3.5 5. As an alternative to compliance with the emission limits in paragraphs (c)(1)(i), (c)(1)(ii), (c)(2)(ii) and (c)(3)(ii) 13.3.1.1, 13.3.1.2, 13.3.2.2 and 13.3.3.2 of this Section regulation, an owner or operator may meet the requirements of paragraph (d) or (e) 13.4 or 13.5 of this Section regulation.

13.4 d. Daily-weighted average limitation. No owner or operator subject to this Section 13.0 of this regulation shall apply, during any day, coatings in any non-electro-deposition (non-EDP) prime coat, final repair, topcoat, or primer surfacer operation whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the applicable emission limits in paragraphs (c)(1), (c)(2)(ii), and (c)(3)(ii) 13.3.1, 13.3.2.2 and 13.3.3.2 of this Section regulation.

13.5 e. Control devices

13.5.1 1. An owner or operator subject to this Section 13.0 of this regulation shall comply with the applicable emission limits for any non-EDP prime coat, final repair, topcoat, or primer surfacer operation by:

13.5.1.1 i. Installing and operating a capture system on that operation.

13.5.1.2 ii. Installing and operating a control device on that operation.

13.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95% percent.

13.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

13.5.2 2. An owner or operator subject to this Section 13.0 of this regulation shall ensure that:

13.5.2.1 i. A capture system and control device are operated at all times the coating operation is in use, and the owner or operator demonstrates compliance with this Section 13.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

13.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

13.6 f. Compliance procedures for EDP prime coat operations

13.6.1 1. The owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation shall use the procedures in 40 CFR 60.393(c)(1) (July 1, 1992) to determine compliance if a capture system and a control device are not used to comply with the emission limits in paragraph (c)(4)(i) or (ii) 13.3.4.1 or 13.3.4.2 of this Section regulation.

13.6.2 2. The owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation shall use the procedures in 40 CFR 60.393(c)(2) (July 1, 1992) to determine compliance if a capture system and a control device that destroys VOC (e.g., incinerator) are used to comply with the emission limits in paragraph (c)(4)(i) or (ii) 13.3.4.1 or 13.3.4.2 of this Section regulation.

13.6.3 3. The owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation shall use the procedures in 40 CFR 60.393(c)(3) (July 1, 1992) to determine compliance if a capture system and a control device that recovers the VOC (e.g., carbon adsorber) are used to comply with the emission limits in paragraph (c)(4)(i) or (ii) 13.3.4.1 or 13.3.4.2 of this Section regulation.

13.7 g. Test methods

13.7.1 1. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with paragraphs (c)(1), (c)(2)(ii), (c)(3)(ii), and (c)(5) 13.3.1, 13.3.2.2, 13.3.3.2 and 13.3.5 of this Section regulation.

13.7.2 2. An owner or operator shall use the topcoat protocol to determine compliance with paragraphs (c)(1)(iii), (c)(2)(i) and (c)(3)(i) 13.3.1.3, 13.3.2.1 and 13.3.3.1 of this Section regulation.

13.8 h. Recordkeeping and reporting for non-EDP prime coat and final repair operations.

13.8.1 1. An owner or operator of an automobile or light-duty truck coating operation that is exempt from the emission limitations in paragraph (c)(1) 13.3.1 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

13.8.2 2. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraph (c)(1) 13.3.1 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

13.8.3 3. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraph (c)(1) 13.3.1 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

13.8.4 4. An owner or operator of an automobile or light-duty truck coating operation subject this Section 13.0 of this regulation and complying with paragraph (c)(1) 13.3.1 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

13.9 i. Recordkeeping and reporting for EDP prime coat operations. An owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation and complying with the requirements in paragraph (c)(4)(i), (ii), and (iii) 13.3.4.1, 13.3.4.2 and 13.3.4.3 of this Section regulation shall comply with the following:

13.9.1 1. Certification. By November 15, 1993 or upon startup of a new EDP prime coat operation, the owner or operator shall certify to the Department that the coating operation is and will be in compliance with the requirements in paragraph (c)(4)(i) or (ii) 13.3.4.1 or 13.3.4.2 of this Section regulation on and after November 15, 1993, or on and after the initial startup date. Such certification shall include:

13.9.1.1 i. The name and location of the facility.

13.9.1.2 ii. The address and telephone number of the person responsible for the facility.

13.9.1.3 iii. Identification of subject sources.

13.9.1.4 iv. A copy of the calculations performed to determine R_T and the calculations performed pursuant to paragraph (f) 13.6 of this Section regulation to demonstrate compliance for the EDP prime coat operation for the month prior to submittal of the certification.

13.9.2 2. Recordkeeping. On and after November 15, 1993 or on and after the initial startup date of a new EDP prime coat operation, the owner or operator shall collect and record the following information for each EDP prime coat operation. These records shall be maintained at the facility for at least 5 five years and shall be made available to the Department upon verbal or written request:

13.9.2.1 i. For each day, the total daily volume of coating solids that is added to the EDP system.

13.9.2.2 ii. For each month, calculation of R_T using the equation in paragraph (c)(4)(i) 13.3.4.1 of this Section regulation.

13.9.2.3 iii. For each month, the calculations used in the compliance determinations specified in paragraph (f) 13.6 of this Section regulation.

13.9. 3. Reporting. On and after November 15, 1993, the owner or operator of an EDP prime coat operation subject to this Section 13.0 of this regulation shall notify the Department in either of the following instances:

13.9.3.1 i. Any record showing noncompliance with the appropriate emission limit for the EDP prime coat operation.

13.9.3.2 ii. At least 30 calendar days before changing the method of compliance from one of the procedures in paragraph (f) 13.6 of this Section regulation to another of the procedures in paragraph (f) 13.6 of this regulation, the owner or operator shall comply with the certification requirements in paragraph (i)(1) 13.9.1 of this Section regulation.

13.10 j. Reporting and recordkeeping for topcoat and primer surfacer operations.

13.10.1 1. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraph (c)(1)(iii), (c)(2)(i) or (c)(3)(i) 13.3.1.3, 13.3.2.1 or 13.3.3.1 of this Section regulation shall comply with the following:

13.10.1.1 i. Certification. At least 120 days prior to the initial compliance date, the owner or operator of a coating operation subject to the topcoat and primer surfacer limit in paragraphs (c)(1)(iii), (c)(2)(i) and (c)(3)(i) 13.3.1.3, 13.3.2.1 and 13.3..3.1 of this Section regulation shall submit to the Department a detailed proposal specifying the method of demonstrating how the compliance test will be conducted according to the topcoat protocol. The proposal shall include a comprehensive plan (including a rationale) for determining the transfer efficiency at each booth through the use of in-plant or pilot testing; the selection of coatings to be tested (for the purpose of determining transfer efficiency), including the rationale for coating groupings; and a method for tracking coating usage during the transfer efficiency test. Upon approval by the Department, the owner or operator may proceed with the compliance demonstration.

13.10.1.2 ii. Recordkeeping

13.10.1.2.1 A. The owner or operator shall maintain at the facility for a period of 5 years all test results, data, and calculations used to determine VOC emissions from each topcoat and each primer surfacer operation according to the topcoat protocol.

13.10.1.2.2 B. If control devices are used to control emissions from an automobile or light-duty truck topcoat or primer surfacer operation, the owner or operator shall maintain records according to Section 4(e)(2)(vi) through (xi) 4.5.2.6 through 4.5.2.11 of this regulation.

13.10.1.3 iii. Reporting. Any instance of noncompliance with the emission limit in paragraph (c)(1)(iii), (c)(2)(i) or (c)(3)(i) 13.3.1.3, 13.3.2.1 or 13.3.3.1 of this regulation shall be reported to the Department within 45 calendar days.

13.10.2 2. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraphs (c)(2)(ii) and (c)(3)(ii) 13.3.2.2 and 13.3.3.2 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

13.10.3 3. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraphs (c)(2)(ii) and (c)(3)(ii) 13.3.2.2 and 13.3.3.2 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

13.10.4 4. An owner or operator of an automobile or light-duty truck coating operation subject to this Section 13.0 of this regulation and complying with paragraphs (c)(2)(ii) and (c)(3)(ii) 13.3.2.2 and 13.3.3.2 of this Section regulation by the use of control devices shall comply with the testing, reporting and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

14.1 a. Applicability

14.1.1 1. This Section applies The provisions of 14.0 of this regulation apply to any can coating unit used to apply the following coatings: sheet base coat, exterior base coat, interior body spray coat, overvarnish, side seam spray coat, exterior end coat, and end sealing compound coat.

14.1.2 2. The emission limits of this Section 14.0 of this regulation do not apply to can coating units within any facility whose actual emissions without control devices from all can coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

14.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 14.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 14.7.1 of this Section regulation.

14.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 14.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 14.1.2 of this Section regulation will remain subject to these provisions, even if its emissions later fall below the applicability threshold.

14.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

14.2 b. Definitions. As used in this Section 14.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Can” means any cylindrical single-walled container, with or without a top, cover, spout, and/or handle, that is manufactured from metal sheets thinner than 29 gauge (0.0141 in.) and into which solid or liquid materials may be packaged.

“Can coating unit” means a coating unit in which any coating is applied onto the surface of cans or can components.

“End sealing compound coat” means a compound applied onto can ends that functions as a gasket when the end is assembled onto the can.

“Exterior base coat” means a coating applied to the exterior of a two-piece can body to provide protection to the metal or to provide background for any lithographic or printing operation.

“Interior body spray coat” means a coating applied to the interior of the can body to provide a protective film between the product and the can.

“Overvarnish” means a coating applied directly over a design coating or directly over ink to reduce the coefficient of friction, to provide gloss, and to protect the finish against abrasion and corrosion.

“Sheet basecoat” means a coating applied to metal in sheet form to serve as either the exterior or interior of two-piece or three-piece can bodies or can ends.

“Side-seam spray coat” means a coating applied to the seam of a three-piece can.

“Three-piece can” means a can that is made by rolling a rectangular sheet of metal into a cylinder that is soldered, welded, or cemented at the seam and attaching two ends.

“Two-piece can” means a can whose body and one end are formed from a shallow cup and to which the other end is later attached.

“Two-piece can exterior end coat” means a coating applied by roller coating or spraying to the exterior end of a two-piece can to provide protection to the metal.

14.3 c. Standards

14.3.1 1. No owner or operator of a can coating unit subject to this Section 14.0 of this regulation shall cause or allow the application of any coating on that unit with VOC content, as applied, that exceeds the limits in paragraphs (c)(1)(i) through (c)(1)(vi) 14.3.1.1 through 14.3.1.6 of this Section regulation.

14.3.2 2. As an alternative to compliance with the emission limits in paragraph (c)(1) 14.3.1 of this Section regulation, an owner or operator of a can coating unit may comply with the requirements of this Section 14.0 of this regulation by meeting the requirements of paragraph (d) or (e) 14.4 or 14.5 of this Section regulation.

14.4 d. Daily-weighted average limitations

14.4.1 1. No owner or operator of a can coating unit subject to this Section 14.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limits in paragraph (c)(1) 14.3.1 of this Section regulation.

14.4.2 2. Notwithstanding any other provision of this regulation, an owner or operator may use the compliance program described in the December 8, 1980, FEDERAL REGISTER (45 FR 80024). This program allows a daily weighted average of coatings between can coating units without a requirement to submit a FIP or SIP revision and without the requirement to meet the provisions of the Emissions Trading Policy Statement (51 FR 43815, December 4, 1986).

14.5 e. Control devices

14.5.1 1. An owner or operator of a can coating unit subject to this Section 14.0 of this regulation may comply with paragraph (c)(2) 14.3.2 of this Section regulation by:

14.5.1.1 i. Installing and operating a capture system on that unit.

14.5.1.2 ii. Installing and operating a control device on that unit.

14.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95% percent.

14.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

14.5.2 2. An owner or operator of a can coating unit subject to this Section 14.0 of this regulation shall ensure that:

14.5.2.1 i. A capture system and control device are operated at all times that the unit is in operation, and the owner or operator demonstrates compliance with this Section 14.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

14.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

14.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 14.0 of this regulation.

14.7 g. Recordkeeping and reporting

14.7.1 1. An owner or operator of a can coating unit that is exempt from the emission limitations in paragraph (c) 14.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

14.7.2 2. An owner or operator of a can coating unit subject to this Section 14.0 of this regulation and complying with paragraph (c) 14.3 of this Section regulation by using complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

14.7.3 3. An owner or operator of a can coating unit subject to this Section 14.0 of this regulation and complying with paragraph (d) 14.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

14.7.4 4. An owner or operator of a can coating unit subject to this Section 14.0 of this regulation and complying with paragraph (e) 14.5 of this Section regulation by using control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

15.1 a. Applicability

15.1.1 1. This Section applies The provisions of 15.0 of this regulation apply to any coil coating unit.

15.1.2 2. This Section does The provisions of 15.0 of this regulation do not apply to any coil coating unit within a facility whose actual emissions without control devices from all coil coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

15.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 15.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 15.7 of this Section regulation.

15.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 15.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 15.1.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

15.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

15.2 b. Definitions. As used in this Section 15.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Coil” means any continuous metal strip with thickness of 0.15 millimeter (mm) (0.006 inch [in.]) or more that is packaged in a roll or coil.

“Coil coating line” means a web coating line where coating is applied to coil.

“Coil coating unit” means a coating application station and its associated flashoff area, drying area, and/or drying oven wherein coating is applied and dried or cured on a coil coating line. A coil coating line may include more than one coil coating unit.

15.3 c. Standards

15.3.1 1. No owner or operator of a coil coating unit subject to this Section 15.0 of this regulation shall cause or allow the application of any coating on that unit with VOC content in excess of 0.31 kilograms per liter (kg/L) (2.6 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

15.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 15.3.1 of this Section regulation, an owner or operator of a coil coating unit may meet the requirements of paragraph (d) or (e) 15.4 or 15.5 of this Section regulation.

15.4 d. Daily-weighted average limitation. No owner or operator of a coil coating unit subject to this Section 15.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 15.3.1 of this Section regulation.

15.5 e. Control devices

15.5.1 1. An owner or operator of a coil coating unit subject to this Section 15.0 of this regulation may comply with this Section 15.0 of this regulation by:

15.5.1.1 i. Installing and operating a capture system on that unit.

15.5.1.2 ii. Installing and operating a control device on that unit.

15.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

15.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

15.5.2 2. An owner or operator of a coil coating unit subject to this Section 15.0 of this regulation shall ensure that:

15.5.2.1 i. A capture system and control device are operated at all times the coating unit is in operation, and the owner or operator demonstrates compliance with this Section 15.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

15.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

15.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 15.0 of this regulation.

15.7 g. Recordkeeping and reporting

15.7.1 1. An owner or operator of a coil coating unit that is exempt from the emission limitations in paragraph (c) 15.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

15.7.2 2. An owner or operator of a coil coating unit subject to this Section 15.0 of this regulation and complying with paragraph (c) 15.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

15.7.3 3. An owner or operator of a coil coating unit subject to this Section 15.0 of this regulation and complying with paragraph (d) 15.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

15.7.4 4. An owner or operator of a coil coating unit subject to this Section 15.0 of this regulation and complying with paragraph (e) 15.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

16.1 a. Applicability

16.1.1 1. This Section applies The provisions of 16.0 of this regulation apply to any paper coating unit.

16.1.2 2. This Section does The provisions of 16.0 of this regulation do not apply to any paper coating unit within a facility whose actual emissions without control devices from all paper coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

16.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 16.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 16.7.1 of this Section regulation.

16.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 16.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 16.1.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

16.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

16.2 b. Definitions. As used in this Section 16.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Paper coating line” means a web coating line where coating is applied to paper. Printing presses are not considered paper coating lines. Products produced on a paper coating line include, but are not limited to, adhesive tapes and labels, book covers, post cards, office copier paper, drafting paper, and pressure sensitive tapes. Paper coating lines include, but are not limited to, application by impregnation or saturation or by the use of roll, knife, or rotogravure coating.

“Paper coating unit” means a coating application station and its associated flashoff area, drying area, and/or oven wherein coating is applied and dried or cured on a paper coating line. A paper coating line may include more than one paper coating unit.

16.3 c. Standards

16.3.1 1. No owner or operator of a paper coating unit subject to this Section 16.0 of this regulation shall cause, allow, or permit the application of any coating on that unit with VOC content in excess of 0.35 kilograms per liter (kg/L) (2.9 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

16.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 16.3.1 of this Section regulation, an owner or operator of a paper coating unit subject to this Section 16.0 of this regulation may meet the requirements of paragraph (d) or (e) 16.4 or 16.5 of this Section regulation.

16.4 d. Daily-weighted average limitation. No owner or operator of a paper coating unit subject to this Section 16.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 16.3.1 of this Section regulation.

16.5 e. Control devices

16.5.1 1. An owner or operator of a paper coating unit subject to this Section 16.0 of this regulation may comply with t this Section 16.0 of this regulation by:

16.5.1.1 i. Installing and operating a capture system on that unit.

16.5.1.2 ii. Installing and operating a control device on that unit.

16.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

16.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

16.5.2 2. An owner or operator of a paper coating unit subject to this Section 16.0 of this regulation shall ensure that:

16.5.2.1 i. A capture system and control device are operated at all times the coating unit is in operation, and the owner or operator demonstrates compliance with this Section 16.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

16.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

16.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 16.0 of this regulation.

16.7 g. Recordkeeping and reporting

16.7.1 1. An owner or operator of a paper coating unit that is exempt from the emission limitations in paragraph (c) 16.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

16.7.2 2. An owner or operator of a paper coating unit subject to this Section 16.0 of this regulation and complying with paragraph (c) 16.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

16.7.3 3. An owner or operator of a paper coating unit subject to this Section 16.0 of this regulation and complying with paragraph (d) 16.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

16.7.4 4. An owner or operator of a paper coating unit subject to this Section 16.0 of this regulation and complying with paragraph (e) 16.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

17.1 a. Applicability

17.1.1 1. This Section applies The provisions of 17.0 of this regulation apply to any fabric coating unit.

17.1.2 2. This Section does The provisions of 17.0 of this regulation do not apply to any fabric coating unit within a facility whose actual emissions without control devices from all fabric coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

17.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 17.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 17.7.1 of this Section regulation.

17.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 17.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 17.1.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

17.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

17.2 b. Definitions. As used in this Section 17.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Fabric coating line” means a web coating line where coating is applied to fabric. A fabric printing line is not considered a fabric coating line.

“Fabric coating unit” means a coating application station and its associated flashoff area, drying area, and/or oven wherein coating is applied and dried or cured in a fabric coating line. A fabric coating line may include more than one fabric coating unit.

17.3 c. Standards

17.3.1 1. No owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation shall cause or allow the application of any coating on that unit with VOC content in excess of 0.35 kilogram per liter (kg/L) (2.9 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

17.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 17.3.1 of this Section regulation, an owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation may meet the requirements of paragraph (d) or (e) 17.4 or 17.5 of this Section regulation.

17.4 d. Daily-weighted average limitation. No owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 17.3.1 of this Section regulation.

17.5 e. Control devices

17.5.1 1. An owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation may comply with this Section 17.0 of this regulation by:

17.5.1.1 i. Installing and operating a capture system on that unit.

17.5.1.2 ii. Installing and operating a control device on that unit.

17.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

17.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

17.5.2 2. An owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation shall ensure that:

17.5.2.1 i. A capture system and control device are operated at all times the coating unit is in operation, and the owner or operator demonstrates compliance with this Section 17.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

17.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

17.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 17.0 of this regulation.

17.7 g. Recordkeeping and reporting

17.7.1 1. An owner or operator of a fabric coating unit that is exempt from the emission limitations in paragraph (c) 17.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

17.7.2 2. An owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation and complying with paragraph (c) 17.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

17.7.3 3. An owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation and complying with paragraph (d) 17.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

17.7.4 4. An owner or operator of a fabric coating unit subject to this Section 17.0 of this regulation and complying with paragraph (e) 17.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

18.1 a. Applicability

18.1.1 1. This Section applies The provisions of 18.0 of this regulation apply to any vinyl coating line.

18.1.2 2. This Section does The provisions of 18.0 of this regulation do not apply to:

18.1.2.1 i. Application of vinyl plastisol to fabric to form the substrate that is subsequently coated.

18.1.2.2 ii. Any vinyl coating line within a facility whose actual emissions without control devices from all vinyl coating lines within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

18.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2)(ii) 18.1.2.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 18.7.1 of this Section regulation.

18.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 18.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2)(ii) 18.1.2.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

18.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

18.2 b. Definitions. As used in this Section 18.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Vinyl coating line” means a web coating line where a decorative, functional, or protective coating is applied to a continuous web of vinyl or vinyl-coated fabric. Lines used for coating and/or printing on vinyl and coating and/or printing on urethane are considered vinyl coating lines.

18.3 c. Standards

18.3.1 1. No owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation shall cause or allow the application of any coating on that line with VOC content in excess of 0.45 kilograms per liter (kg/L) (3.8 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

18.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 18.3.1 of this Section regulation, an owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation may meet the requirements of paragraph (d) or (e) 18.4 or 18.5 of this Section regulation.

18.4 d. Daily-weighted average limitation. No owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation shall apply, during any day, coatings on any such line whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 18.3.1 of this Section regulation.

18.5 e. Control devices

18.5.1 1. An owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation may comply with this Section 18.0 of this regulation by:

18.5.1.1 i. Installing and operating a capture system on that line.

18.5.1.2 ii. Installing and operating a control device on that line.

18.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95% percent.

18.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

18.5.2 2. An owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation shall ensure that:

18.5.2.1 i. A capture system and control device are operated at all times that the line is in operation, and the owner or operator demonstrates compliance with this Section 18.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

18.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

18.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 18.0 of this regulation.

18.7 g. Recordkeeping and reporting

18.7.1 1. An owner or operator of a vinyl coating line that is exempt from the emission limitations in paragraph (c) 18.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

18.7.2 2. An owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation and complying with paragraph (c) 18.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

18.7.3 3. An owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation and complying with paragraph (d) 18.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

18.7.4 4. An owner or operator of a vinyl coating line subject to this Section 18.0 of this regulation and complying with paragraph (e) 18.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

19.1 a. Applicability

19.1.1 1. This Section applies The provisions of 19.0 of this regulation apply to any metal furniture coating unit.

19.1.2 2. This Section does The provisions of 19.0 of this regulation do not apply to any metal furniture coating unit within a facility whose actual emissions without control devices from all metal furniture coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

19.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 19.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 19.7.1 of this Section regulation.

19.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 19.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 19.1.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

19.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

19.2 b. Definitions. As used in this Section 19.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments, or in Section 2 2.0 of this regulation.

“Metal furniture” means any furniture piece made of metal or any metal part that will be assembled with other metal, wood, fabric, plastic, or glass parts to form a furniture piece including, but not limited to, tables, chairs, waste baskets, beds, desks, lockers, benches, shelving, file cabinets, and room dividers. This definition shall not apply to the coating of miscellaneous metal parts or products pursuant to Section 22 22.0 of this regulation.

“Metal furniture coating unit” means a coating unit in which a protective, decorative, or functional coating is applied onto the surface of metal furniture.

19.3 c. Standards

19.3.1 1. No owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation shall cause or allow the application of any coating on that unit with VOC content in excess of 0.36 kilograms per liter (kg/L) (3.0 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

19.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 19.3.1 of this Section regulation, an owner or operator of a metal furniture coating unit may meet the requirements of paragraph (d) or (e) 19.4 or 19.5 of this Section regulation.

19.4 d. Daily-weighted average limitation. No owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 19.3.1 of this Section regulation.

19.5 e. Control devices

19.5.1 1. An owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation may comply with this Section 19.0 of this regulation by:

19.5.1.1 i. Installing and operating a capture system on that unit.

19.5.1.2 ii. Installing and operating a control device on that unit.

19.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent % .

19.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

19.5.2 2. An owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation shall ensure that:

19.5.2.1 i. A capture system and control device are operated at all times that the unit is in operation, and the owner or operator demonstrates compliance with this Section 19.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

19.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

19.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 19.0 of this regulation.

19.7 g. Recordkeeping and reporting

19.7.1 1. An owner or operator of a metal furniture coating unit that is exempt from the emission limitations in paragraph (c) 19.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting

requirements in Section 4(b) 4.2 of this regulation.

19.7.2 2. An owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation and complying with paragraph (c) 19.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

19.7.3 3. An owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation and complying with paragraph (d) 19.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

19.7.4 4. An owner or operator of a metal furniture coating unit subject to this Section 19.0 of this regulation and complying with paragraph (e) 19.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

20.1 a. Applicability

20.1.1 1. This Section applies The provisions of 20.0 of this regulation apply to any large appliance coating unit.

20.1.2 2. This Section does The provisions of 20.0 of this regulation do not apply to:

20.1.2.1 i. Any large appliance coating unit within a facility whose actual emissions without control devices from all large appliance coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

20.1.2.2 ii. The use of quick-drying lacquers for repair of scratches and nicks that occur during assembly, provided that the volume of coating does not exceed 0.95 liter (L) (0.25 gallon [gal]) in any one 8-hour period.

20.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 20.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 20.7.1 of this Section regulation.

20.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 20.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 20.1.2 of this Section regulation will remain subject to these provisions even if its emissions or coating volume used later fall below the applicability thresholds.

20.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

20.2 b. Definitions. As used in this Section 20.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Large appliance” means any residential or commercial washer, dryer, range, refrigerator, freezer, water heater, dishwasher, trash compactor, air conditioner, or other similar products under Standard Industrial Classification Code 363.

“Large appliance coating unit” means a coating unit in which any protective, decorative, or functional coating is applied onto the surface of component metal parts (including, but not limited to, doors, cases, lids, panels, and interior parts) of large appliances.

20.3 c. Standards

20.3.1 1. No owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation shall cause or allow the application of any coating on that unit with VOC content in excess of 0.34 kilograms per liter (kg/L) (2.8 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

20.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 20.3.1 of this Section regulation, an owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation may meet the requirements of paragraph (d) or (e) 20.4 or 20.5 of this Section regulation.

20.4 d. Daily-weighted average limitation. No owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 20.3.1 of this Section regulation.

20.5 e. Control devices

20.5.1 1. An owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation may comply with this Section 20.0 of this regulation by:

20.5.1.1 i. Installing and operating a capture system on that unit.

20.5.1.2 ii. Installing and operating a control device on that unit.

20.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

20.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

20.5.2 2. An owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation shall ensure that:

20.5.2.1 i. A capture system and control device are operated at all times that the unit is in operation, and the owner or operator demonstrates compliance with this Section 20.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

20.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

20.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 20.0 of this regulation.

20.7 g. Recordkeeping and reporting

20.7.1 1. An owner or operator of a large appliance coating unit that is exempt from the emission limitations in paragraph (c) 20.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

20.7.2 2. An owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation and complying with paragraph (c) 20.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

20.7.3 3. An owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation and complying with paragraph (d) 20.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

20.7.4 4. An owner or operator of a large appliance coating unit subject to this Section 20.0 of this regulation and complying with paragraph (e) 20.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

21.1 a. Applicability

21.1.1 1. This Section applies The provisions of 21.0 of this regulation apply to any magnet wire coating unit.

21.1.2 2. This Section does The provisions of 21.0 of this regulation do not apply to any magnet wire coating unit within a facility whose emissions without control devices from all magnet wire coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

21.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2) 21.1.2 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 21.7.1 of this Section regulation.

21.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 21.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2) 21.1.2 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

21.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

21.2 b. Definitions. As used in this Section 21.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Magnet wire coating unit” means a coating unit in which an electrically insulating varnish or enamel is applied onto the surface of wire for use in electrical machinery.

21.3 c. Standards

21.3.1 1. No owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation shall cause or allow the use of any coating with VOC content in excess of 0.20 kilograms per liter (kg/L) (1.7 pounds per gallon [lb/gal]) of coating, excluding water and exempt compounds, as applied.

21.3.2 2. As an alternative to compliance with the emission limit in paragraph (c)(1) 21.3.1 of this Section regulation, an owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation may meet the requirements of paragraph (d) or (e) 21.4 or 21.5 of this Section regulation.

21.4 d. Daily-weighted average limitation. No owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation shall apply, during any day, coatings on that unit whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix C of this regulation, exceeds the emission limit in paragraph (c)(1) 21.3.1 of this Section regulation.

21.5 e. Control devices

21.5.1 1. An owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation may comply with this Section 21.0 of this regulation by:

21.5.1.1 i. Installing and operating a capture system on that unit.

21.5.1.2 ii. Installing and operating a control device on that unit.

21.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

21.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

21.5.2 2. An owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation shall ensure that:

21.5.2.1 i. A capture system and control device are operated at all times that the unit is in operation, and the owner or operator demonstrates compliance with this Section 21.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

21.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

21.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 21.0 of this regulation.

21.7 g. Recordkeeping and reporting

21.7.1 1. An owner or operator of a magnet wire coating unit that is exempt from the emission limitations in paragraph (c) 21.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

21.7.2 2. An owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation and complying with paragraph (c) 21.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

21.7.3 3. An owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation and complying with paragraph (d) 21.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

21.7.4 4. An owner or operator of a magnet wire coating unit subject to this Section 21.0 of this regulation and complying with paragraph (e) 21.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

22.1 a. Applicability

22.1.1 1. This Section applies The provisions of 22.0 of this regulation apply to any miscellaneous metal parts and products coating unit.

22.1.2 2. This Section does The provisions of 22.0 of this regulation do not apply to the coating of the following metal parts and products that are covered by other sections of this regulation:

22.1.2.1 i. Automobiles and light-duty trucks.

22.1.2.2 ii. Metal cans.

22.1.2.3 iii. Flat metal sheets and strips in the form of rolls or coils.

22.1.2.4 iv. Magnet wire for use in electrical machinery.

22.1.2.5 v. Metal furniture.

22.1.2.6 vi. Large appliances.

22.1.2.7 vii. Heavy-duty trucks that use electrode position (EDP) to apply prime coat, which are covered under paragraphs (c)(4), (f), and (i) of Section 13 13.3.4, 13.6 and 13.9 of this regulation.

22.1.3 3. This Section The 22.0 of this regulation does not apply to:

22.1.3.1 i. Exterior of completely assembled aircraft.

22.1.3.2 ii. Exterior of major aircraft subassemblies, if approved by the Department as part of a State Implementation Plan (SIP) revision.

22.1.3.3 iii. Automobile, light-duty truck, and heavy-duty truck refinishing.

22.1.3.4 iv. Customized top coating of automobiles and trucks, if production is less than 35 vehicles per day.

22.1.3.5 v. Exterior of completely assembled marine vessels.

22.1.3.6 vi. Exterior of major marine vessel subassemblies if approved by the Department as part of a SIP revision.

22.1.4 4. The emission limits in this Section 22.0 of this regulation do not apply to any coating unit within a facility whose actual emissions without control devices from all miscellaneous metal part and products coating units within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

22.1.5 5. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(4) 22.1.4 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 22.7.1 of this Section regulation.

22.1.6 6. Any facility that becomes or is currently subject to the provisions of this Section 22.0 of this regulation by exceeding the applicability threshold in paragraph (a)(4) 22.1.4 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

22.1.7 7. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

22.2 b. Definitions. As used in this Section 22.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Air-dried coating” means a coating that is dried by the use of air or forced warm air at temperatures up to 90°C (194°F).

“Clear coating” means a coating that (1) either lacks color and opacity or is transparent and (2) uses the surface to which it is applied as a reflective base or undertone color.

“Drum” means any cylindrical metal shipping container of 13 to 110 gallon capacity.

“Extreme environmental conditions” means any of the following: the weather all of the time, temperatures frequently above 95°C (203°F), detergents, abrasive and scouring agents, solvents, corrosive atmospheres, or similar environmental conditions.

“Extreme performance coatings” means coatings intended for exposure to extreme environmental conditions.

“Miscellaneous metal parts and products coating unit” means a coating unit in which a coating is applied to any miscellaneous metal parts and products.

“Miscellaneous parts and products” means any metal part or metal product, even if attached to or combined with a nonmetal part or product. Miscellaneous metal parts and products include, but are not limited to:

1. Large farm machinery (harvesting, fertilizing and planting machines, tractors, combines, etc.).

2. Small farm machinery (lawn and garden tractors, lawn mowers, rototillers, etc.).

3. Small appliances (fans, mixers, blenders, crock pots, dehumidifiers, vacuum cleaners, etc.).

4. Commercial machinery (office equipment, computers and auxiliary equipment, typewriters, calculators, vending machines, etc.).

5. Industrial machinery (pumps, compressors, conveyor components, fans, blowers, transformers, etc.).

6. Fabricated metal products (metal covered doors, frames, etc.).

7. Any other metal part or product that is within one of the following Standard Industrial Classification Codes: Major Group 33 (primary metal industries), Major Group 34 (fabricated metal products), Major Group 35 (nonelectric machinery), Major Group 36 (electrical machinery), Major Group 37 (transportation equipment), Major Group 38. (miscellaneous instruments), and Major Group 39 (miscellaneous manufacturing industries).

8. Application of underbody anti-chip materials (e.g., underbody plastisol) and coating application operations other than prime, primer surfacer, topcoat, and final repair operations at automobile and light-duty truck assembly plants.

“Pail” means any cylindrical metal shipping container of 1- to 12-gallon capacity and constructed of 29-gauge and heavier material.

“Refinishing” means repainting used equipment.

22.3 c. Standards

22.3.1 1. No owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation shall cause or allow the application of any coating with VOC content in excess of the emission limits in paragraphs (c)(1)(i) through (c)(1)(v) 22.3.1.1 through 22.3.1.5 of this Section regulation.

22.3.2 2. If more than one emission limit in paragraph (c)(1) 22.3.1 of this regulation applies to a specific coating, then the least stringent emission limit shall be applied.

22.3.3 3. As an alternative to compliance with the emission limits in paragraph (c)(1) 22.3.1 of this Section regulation, an owner or operator of a miscellaneous metal parts and products coating unit may meet the requirements of paragraphs (d) or (e) 22.4 or 22.5 of this Section regulation.

22.4 d. Daily-weighted average limitations. No owner or operator of a miscellaneous metal parts and products coating unit that applies multiple coatings, all of which are subject to the same numerical emission limitation within paragraph (c)(1) above 22.3.1 of this regulation, during the same day (e.g., all coatings used on the unit are subject to 0.42 kg/L [3.5 lb/gal]), shall apply, during any day, coatings on that unit whose daily weighted average VOC content calculated in accordance with the procedure specified in Appendix C of this regulation exceeds the coating VOC content limit corresponding to the category of coating used.

22.5 e. Control devices

22.5.1 1. An owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation may comply with 22.0 of this regulation by:

22.5.1.1 i. Installing and operating a capture system on that unit.

22.5.1.2 ii. Installing and operating a control device on that unit.

22.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in 3.0 of Appendix C (c) of this regulation for that day or 95 percent %.

22.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 3.0 of Appendix D (c) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

22.5.2 2. An owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation shall ensure that:

22.5.2.1 i. A capture system and control device are operated at all times that the unit is in operation, and the owner or operator demonstrates compliance with this Section 22.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

22.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

22.6 f. Test methods. The test methods found in Appendix A through Appendix D of this regulation shall be used to determine compliance with this Section 22.0 of this regulation.

22.7 g. Recordkeeping and reporting

22.7.1 1. An owner or operator of a miscellaneous metal parts and products coating unit that is exempt from the emission limitations in paragraph (c) 22.3 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements in Section 4(b) 4.2 of this regulation.

22.7.2 2. An owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation and complying with paragraph (c) 22.3 of this Section regulation by the use of complying coatings shall comply with the certification, recordkeeping, and reporting requirements in Section 4(c) 4.3 of this regulation.

22.7.3 3. An owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation and complying with paragraph (d) 22.4 of this Section regulation by daily-weighted averaging shall comply with the certification, recordkeeping, and reporting requirements in Section 4(d) 4.4 of this regulation.

22.7.4 4. An owner or operator of a miscellaneous metal parts and products coating unit subject to this Section 22.0 of this regulation and complying with paragraph (e) 22.5 of this Section regulation by the use of control devices shall comply with the testing, reporting, and recordkeeping requirements in Section 4(e) 4.5 of this regulation.

23.1 a. Applicability

23.1.1 1. This Section applies The provisions of 23.0 of this regulation apply to any flat wood paneling coating line.

23.1.2 2. This Section does The provisions of 23.0 of this regulation do not apply to:

23.1.2.1 i. Any flat wood paneling coating line within any facility whose actual emissions without control devices from all flat wood paneling coating lines within the facility are less than 6.8 kilograms (kg) (15 pounds [lb]) of volatile organic compounds (VOCs) per day.

23.1.2.2 ii. Class I hardboard paneling finishes, particle board used in furniture, insulation board, exterior siding, tileboard, and softwood plywood coating lines.

23.1.3 3. An owner or operator of a facility whose emissions are below the applicability threshold in paragraph (a)(2)(i) 23.1.2.1 of this Section regulation shall comply with the certification, recordkeeping, and reporting requirements of paragraph (g)(1) 23.7.1 of this Section regulation.

23.1.4 4. Any facility that becomes or is currently subject to the provisions of this Section 23.0 of this regulation by exceeding the applicability threshold in paragraph (a)(2)(i) 23.1.2.1 of this Section regulation will remain subject to these provisions even if its emissions later fall below the applicability threshold.

23.1.5 5. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

23.2 b. Definitions. As used in this Section 23.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Class I hardboard paneling finish” means finishes that meet the specifications for Class I of Voluntary Product Standard PS-59-73 as approved by the American National Standards Institute.

“Class II hardboard paneling finish” means finishes that meet the specifications for Class II of Voluntary Product Standard PS-59-73 as approved by the American National Standards Institute.

“Flat wood paneling coating line” means a coating line used to apply and dry or cure coatings applied to one of the following flat wood paneling product categories: printed interior panels made of hardwood plywood and thin particle board (i.e., less than or equal to 0.64 centimeter (cm) (0.25 inch [in.]) in thickness); natural finish hardwood plywood panels; and hardwood paneling with Class II finishes.

“Hardboard” is a panel manufactured primarily from inter-felted ligno-cellulosic fibers that are consolidated under heat and pressure in a hot press.

“Hardwood plywood” is plywood whose surface layer is a veneer of hardwood.

“Natural finish hardwood plywood panels” means panels whose original grain pattern is enhanced by essentially transparent finishes frequently supplemented by fillers and toners.

“Printed interior panels” means panels whose grain or natural surface is obscured by fillers and basecoats upon which a simulated grain or decorative pattern is printed.

“Thin particleboard” is a manufactured board that is 0.64 cm (0.25 in.) or less in thickness made of individual wood particles that have been coated with a binder and formed into flat sheets by pressure.

“Tileboard” means paneling that has a colored, waterproof surface coating.

23.3 c. Standards

23.3.1 1. No owner or operator of a flat wood paneling coating line subject to this Section 23.0 of this regulation shall cause or allow, on any day, VOC emissions from the coating of any one of the following flat wood paneling product categories in excess of the emission limits in paragraphs (c)(1)(i) through (iii) 23.3.1.1 though 23.3.1.2 of this Section regulation:

23.3.2 2. As an alternative to compliance with the emission limits in paragraph (c)(1) 23.3.1 of this Section regulation, an owner or operator of a flat wood paneling coating line may meet the requirements of paragraph (e) 23.5 of this Section regulation.

23.4 d. [Reserved]

23.5 e. Control devices

23.5.1 1. An owner or operator of a flat wood paneling coating line subject to this Section 23.0 of this regulation may comply with this Section 23.0 of this regulation by:

23.5.1.1 i. Installing and operating a capture system on that line.

23.5.1.2 ii. Installing and operating a control device on that line.

23.5.1.3 iii. Determining for each day the overall emission reduction efficiency needed to demonstrate compliance. The overall emission reduction needed for a day is the lesser of the value calculated according to the procedure in paragraph (f)(2) 23.6.2 of this Section regulation for that day or 95 percent %.

23.5.1.4 iv. Demonstrating each day that the overall emission reduction efficiency achieved for that day, as determined in 5.0 of Appendix D (e) of this regulation, is greater than or equal to the overall emission reduction efficiency required for that day.

23.5.2 2. An owner or operator of a flat wood paneling coating line subject to this Section 23.0 of this regulation shall ensure that:

23.5.2.1 i. A capture system and control device are operated at all times that the line is in operation, and the owner or operator demonstrates compliance with this Section 23.0 of this regulation through the applicable coating analysis and capture system and control device efficiency test methods specified in Appendix B, Appendix D and Appendix E of this regulation and in accordance with the capture efficiency test methods in Appendix D of this regulation.

23.5.2.2 ii. The control device is equipped with the applicable monitoring equipment specified in 2.0 of Appendix D (b) of this regulation, and the monitoring equipment is installed, calibrated, operated, and maintained according to the vendor's specifications at all times the control device is in use.

23.6 f.

23.6.1 1. Test methods. The test methods found in this paragraph 23.6 of this regulation and in Appendix A, Appendix B and Appendix D of this regulation shall be used to determine compliance.

23.6.2 2. Overall emission reduction efficiency for control systems. The required overall emission reduction efficiency of the control system for the day shall be calculated according to the following equation:

(23-1)

where:

E = The required overall emission reduction efficiency of the control system for the day.

VOC_a = The maximum VOC content of the coatings, as applied, used each day on a coating line in units of kg VOC/100 m² of coated finished product (lb VOC/1,000 ft²), as determined by the applicable test methods and procedures specified in Appendix B of this regulation.

S = VOC emission limitation in terms of kg VOC/100 m² of coated finished product (lb VOC/1,000 ft²).

23.7 g. Recordkeeping and reporting

23.7.1 1. Requirements for coating sources exempt from emission limitations. An owner or operator of a flat wood paneling coating line that is exempt from the emission limitations of paragraph (c) 23.3 of this Section regulation because combined VOC emissions on any day from all flat wood paneling coating lines at the facility are below the applicability threshold specified in paragraph (a)(2)(i) 23.1.2.1 of this Section regulation, before the application of capture systems and control devices, shall comply with the following:

23.7.1.1 i. Certification. By November 15, 1993, the owner or operator of a facility referenced in paragraph (g)(1) 23.7.1 of this Section regulation shall certify to the Department that the facility is exempt by providing the following:

23.7.1.1.1 A. The name and location of the facility.

23.7.1.1.2 B. The address and telephone number of the person responsible for the facility.

23.7.1.1.3 C. A declaration that the facility is exempt from the emission limitations of paragraph (c) 23.3 of this Section regulation because combined VOC emissions on any day from all flat wood paneling coating lines at the facility are below the applicability threshold before the application of capture systems and control devices. The following equation shall be used to calculate total VOC emissions for that day:

(23-2)

where:

T = Total VOC emissions from coating lines at the facility for each category of flat wood paneling (as specified in paragraph (c)(1) 23.3.1 of this Section regulation) before the application of capture systems and control devices in units of kg VOC/day (lb VOC/day).

n = Number of different coatings applied on each coating line at the facility.

i = Subscript denoting an individual coating.

C = Mass of VOC per area of coated finished product in units of kg VOC/100 m² (lb VOC/1,000 ft²).

D = The surface area coated at the facility each day in units of m²/day (ft²/day).

a = Constant = 100 m² if using metric units.

= 1,000 ft² if using English units.

23.7.1.2 ii. Recordkeeping. On and after November 15, 1993, the owner or operator of a facility referenced in paragraph (g)(1) 23.7.1 of this Section regulation shall collect and record all of the following information each day and maintain the information at the facility for a period of 5 five years:

23.7.1.2.1 A. The name and identification number of each coating, as applied, used to coat each type of flat wood paneling product.

23.7.1.2.2 B. The volume of coating (i) (excluding water and exempt compounds), as applied, used each day to coat each type of flat wood paneling product (specified in paragraph (c)(1) 23.3.1 of the Section this regulation), and the surface area coated each day of each type of flat wood paneling product.

23.7.1.2.3 C. The total VOC emissions at the facility, as calculated using the equation under paragraph (g)(1)(i)(C) 23.7.1.1.3 of this Section regulation.

23.7.1.3 iii. Reporting. On and after November 15, 1993, the owner or operator of a facility referenced in paragraph (g)(1) 23.7.1 of this Section regulation shall notify the Department of any record showing that combined VOC emissions from all coating lines at the coating facility exceed 6.8 kg (15 lb) on any day, before the application of capture systems and control devices. A copy of such record shall be sent to the Department within 45 calendar days after the exceedance occurs. This requirement is in addition to any other exceedance reporting requirements mandated by the State of Delaware.

23.7.2 2. Requirements for coating sources using complying coatings. An owner or operator of a flat wood paneling coating line subject to this Section 23.0 of this regulation and complying with paragraph (c) 23.3 of this Section regulation by means of the use of complying coatings shall comply with the following:

23.7.2.1 i. Certification. By November 15, 1993, or upon startup of a new coating line, or upon changing the method of compliance for an existing coating line from control devices to the use of complying coatings, the owner or operator of a coating line referenced in paragraph (g)(2) 23.7.2 of this Section regulation shall certify to the Department that the coating line is or will be in compliance with the requirements of the applicable section of this regulation on and after November 15, 1993, or on and after the initial startup date. Such certification shall include:

23.7.2.1.1 A. The name and location of the facility.

23.7.2.1.2 B. The address and telephone number of the person responsible for the facility.

23.7.2.1.3 C. Identification of subject sources.

23.7.2.1.4 D. The name and identification number of each coating, as applied, used to coat each type of flat wood paneling product.

23.7.2.1.5 E. The mass of VOC per area of coated finished product for each type of flat wood paneling product (specified in paragraph (c)(1) 23.3.1 of this Section regulation) in terms of kg VOC/100 m² (lb VOC/1,000 ft²) and the surface area coated each day of each type of flat wood paneling product.

23.7.2.2 ii. Recordkeeping. On and after November 15, 1993, or on and after the initial startup date, the owner or operator of a coating line referenced in paragraph (g)(2) 23.7.2 of this Section regulation and complying by the use of complying coatings shall collect and record all of the following information each day for each coating line and maintain the information at the facility for a period of 5 five years:

23.7.2.2.1 A. The name and identification number of each coating, as applied, used to coat each type of flat wood paneling product.

23.7.2.2.2 B. The mass of VOC per area of coated finished product for each type of flat wood paneling product (specified in paragraph (c)(1) 23.3.1 of this Section regulation) for each coating used each day in terms of kg VOC/100 m² (lb VOC/1,000 ft²) and the surface area coated each day of each type of flat wood paneling product.

23.7.2.3 iii. Reporting. On and after November 15, 1993, the owner or operator of a flat wood paneling coating line referenced in paragraph (g)(2) 23.7.2 of this Section regulation shall notify the Department in either of the following instances:

23.7.2.3.1 A. Any record showing use of any noncomplying coatings shall be reported by sending a copy of such record to the Department within 45 calendar days following that use. This reporting requirement is in addition to any other exceedance reporting mandated by the State of Delaware.

23.7.2.3.2 B. At least 30 calendar days before changing the method of compliance from the use of complying coatings to control devices, the owner or operator shall comply with all requirements of paragraph (g)(3)(i) 23.7.3.1 of this Section regulation, as well as Regulation No. 2 7 DE Admin. Code 1102. Upon changing the method of compliance from the use of complying coatings to control devices, the owner or operator shall comply with all requirements of the section applicable to the coating line referenced in paragraph (g)(3) 23.7.3 of this Section regulation.

23.7.3 3. Requirements for coating sources using control devices. Any owner or operator of a flat wood paneling coating line subject to this Section 23.0 of this regulation and complying with paragraph (c) 23.3 of this Section regulation by the use of control devices shall comply with the following:

23.7.3.1 i. Testing of control equipment. By November 15, 1993, or upon startup of a new coating line, or upon changing the method of compliance for an existing coating line from the use of complying coatings to control devices, the owner or operator of the subject coating line shall perform a compliance test. Testing shall be performed within ninety (90) days of startup, and pursuant to the procedures in Appendix A, Appendix B and Appendix D of this regulation and paragraph (f) 23.6 of this Section regulation. The owner or operator of the subject coating line shall submit to the Department the results of all tests and calculations necessary to demonstrate that the subject coating line is or will be in compliance with the applicable section of this regulation on and after November 15, 1993, or on and after the initial startup date.

23.7.3.2 ii. Recordkeeping. On and after November 15, 1993, or on and after the initial startup date, the owner or operator of a coating line referenced in paragraph (g)(3) 23.7.3 of this Section regulation shall collect and record all of the following information each day for each coating line and maintain the information at the facility for a period of 5 five years:

23.7.3.2.1 A. The name and identification number of each coating used on each coating line, as applied, used to coat each type of flat wood paneling product.

23.7.3.2.2 B. The mass of VOC per area of coated finished product for each type of flat wood paneling product (specified in paragraph (c)(1) 23.3.1 of this Section regulation) in terms of kg VOC/100 m² (lb VOC/1,000 ft²), and the surface area coated each day of each type of flat wood paneling product.

23.7.3.2.3 C. The maximum VOC content of the coatings, as applied, used each day (mass of VOC per area of coated finished product in terms of kg VOC/100 m² [lb VOC/1,000 ft²]).

23.7.3.2.4 D. The required overall emission reduction efficiency for each day for each coating line as determined in paragraph (f)(2) 23.6.2 of this Section regulation.

23.7.3.2.5 E. The actual overall emission reduction efficiency achieved for each day for each coating line as determined in 3.0 of Appendix D (c) of this regulation.

23.7.3.2.6 F. Control device monitoring data.

23.7.3.2.7 G. A log of operating time for the capture system, control device, monitoring equipment, and the associated coating line.

23.7.3.2.8 H. A maintenance log for the capture system, control device, and monitoring equipment detailing all routine and non-routine maintenance performed including dates and duration of any outages.

23.7.3.2.9 I. For thermal incinerators, all 3-hour periods of operation in which the average combustion temperature was more than 28°C (50°F) below the average combustion temperature during the most recent performance test that demonstrated that the facility was in compliance. The combustion chamber set-point shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

23.7.3.2.10 J. For catalytic incinerators, all 3-hour periods of operation in which the average temperature of the process vent stream immediately before the catalyst bed is more than 28°C (50°F) below the average temperature of the process vent stream immediately before the catalyst bed during the most recent performance test that demonstrated that the facility was in compliance. The set-point for the process vent stream immediately before the catalyst bed shall be no less than that during the most recent performance test that demonstrated that the facility was in compliance.

23.7.3.2.11 K. For carbon adsorbers, all 3-hour periods of operation during which either the average VOC concentration or the reading of organics in the exhaust gases is more than 20 percent % greater than the average exhaust gas concentration or reading measured by the organics monitoring device during the most recent determination of the recovery efficiency of the carbon adsorber that demonstrated that the facility was in compliance.

23.7.3.3 iii. Reporting. On and after November 15, 1993, the owner or operator of a subject coating line referenced in paragraph (g)(3) 23.7.3 of this Section regulation shall notify the Department in the following instances:

23.7.3.3.1 A. Any record showing noncompliance with the applicable requirements for control devices shall be reported by sending a copy of the record to the Department within 45 calendar days following the occurrence. This requirement is in addition to any other exceedance reporting mandated by the State of Delaware.

23.7.3.3.2 B. At least 30 calendar days before changing the method of compliance from control devices to the use of complying coatings, the owner or operator shall comply with all requirements of paragraph (g)(2)(i) 23.7.2.1 of this Section regulation, and Regulation No. 2 7 DE Admin. Code 1102. Upon changing the method of compliance from control devices to the use of complying coatings, the owner or operator shall comply with all requirements of the Section applicable to the coating line referenced in paragraph (g)(2) 23.7.2 of this Section regulation.

24.1 a. Applicability

24.1.1 1. This Section applies The provisions of 24.0 of this regulation apply to all unloading, loading, and storage operations at bulk gasoline plants and to any gasoline tank truck delivering or receiving gasoline at a bulk gasoline plant.

24.1.2 2. The following are subject only to the requirements of paragraphs (c)(3)(vii), (viii), and (ix) 24.3.3.7, 24.3.3.8 and 24.3.3.9 of this Section regulation:

24.1.2.1 i. Any stationary storage tank of 2,082 liters (L) (550 gallons [gal]) capacity or less notwithstanding Section 8 8.0 of this regulation.

24.1.2.2 i. Any bulk gasoline plant with an average daily throughput of gasoline of less than 15,000 L (4,000 gal) on a 30-day rolling average provided that records are maintained according to the requirements in paragraph (e)(1) 24.5.1 of this Section regulation. Any plant that becomes or is currently subject to all of the provisions of this Section 24.0 of this regulation by exceeding this applicability threshold will remain subject to these provisions even if its throughput later falls below the applicability threshold. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

24.2 b. Definitions. As used in this Section 24.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

24.3 c. Standards

24.3.1 1. Each bulk gasoline plant subject to this Section 24.0 of this regulation shall be equipped with a vapor balance system between the gasoline storage tank and the incoming gasoline tank truck designed to capture and transfer vapors displaced during filling of the gasoline storage tank. These lines shall be equipped with fittings that are vapor-tight and that automatically and immediately close upon disconnection.

24.3.2 2. Each bulk gasoline plant subject to this Section 24.0 of this regulation shall be equipped with a vapor balance system between the gasoline storage tank and the outgoing gasoline tank truck designed to capture and transfer vapors displaced during the loading of the gasoline tank truck. The vapor balance system shall be designed to prevent any vapors collected at one loading rack from passing to another loading rack.

24.3.3 3. Each owner or operator of a bulk gasoline plant subject to this Section 24.0 of this regulation shall act to ensure that the procedures in paragraphs (c)(3)(i) through (c)(3)(ix) 24.3.3.1 through 24.3.3.9 of this Section regulation are followed during all loading, unloading, and storage operations:

24.3.3.1 i. The vapor balance system required by paragraphs (c)(1) and (c)(2) 24.3.1 and 24.3.2 of this Section regulation shall be connected between the tank truck and storage tank during all gasoline transfer operations.

24.3.3.2 ii. All storage tank openings, including inspection hatches and gauging and sampling devices, shall be vapor-tight when not in use.

24.3.3.3 iii. The gasoline tank truck compartment hatch covers shall not be opened during product transfer.

24.3.3.4 iv. All vapor balance systems shall be designed and operated at all times to prevent gauge pressure in the gasoline tank truck from exceeding 450 millimeters (mm) (18 inches [in.]) of water and vacuum from exceeding 150 mm (5.9 in.) of water during product transfers.

24.3.3.5 v. No pressure vacuum relief valve in the bulk gasoline plant vapor balance system shall begin to open at a system pressure of less than 450 mm (18 in.) of water or at a vacuum of less than 150 mm (5.9 in.) of water.

24.3.3.6 vi. All product transfers involving gasoline tank trucks at bulk gasoline plants subject to this Section 24.0 of this regulation shall be limited to vapor-tight gasoline tank trucks.

24.3.3.7 vii. Filling of storage tanks shall be restricted to submerged fill.

24.3.3.8 viii. Loading of outgoing gasoline tank trucks shall be limited to submerged fill.

24.3.3.9 ix. Owners or operators of bulk gasoline plants or owners or operators of tank trucks shall observe all parts of the transfer and shall discontinue transfer if any vapor or liquid leaks are observed.

24.3.4 4. Each calendar month, the vapor balance systems described in paragraphs (c)(1) and (c)(2) 24.3.1 and 24.3.2 of this Section regulation and each loading rack that loads gasoline tank trucks shall be inspected for liquid or vapor leaks during product transfer operations. For purposes of this paragraph 24.3 of this regulation, detection methods incorporating sight, sound, or smell are acceptable. Each leak that is detected shall be repaired within 15 calendar days after it is detected.

24.4 d. Compliance provisions. A pressure measurement device (liquid manometer, magnehelic gauge, or equivalent instrument) capable of measuring 500 mm (20 in.) of water gauge pressure within a ±2.5 mm (0.098 in.) of water precision, shall be calibrated and installed on the bulk gasoline plant vapor balance system at a pressure tap, located as close as possible to the connection with the gasoline tank truck, to allow determination of compliance with paragraph (c)(3)(iv) 24.3.3.4 of this Section regulation.

24.5 e. Recordkeeping. The owner or operator of a facility subject to this regulation shall maintain the following records in a readily accessible location for at least 5 years and shall immediately make these records available to the Department upon verbal or written request.

24.5.1 1. All bulk gasoline plants subject to this Section 24.0 of this regulation shall maintain daily records showing the quantity of all gasoline loaded into gasoline tank trucks.

24.5.2 2. A record of each monthly leak inspection required under paragraph (c)(4) 24.3.4 of this Section regulation shall be kept on file at the plant. Inspection records shall include, at a minimum, the following information:

24.5.2.1 i. Date of inspection.

24.5.2.2 ii. Findings (may indicate no leaks discovered or location, nature, and severity of each leak).

24.5.2.3 iii. Leak determination method.

24.5.2.4 iv. Corrective action (date each leak repaired and reasons for any repair interval in excess of 15 calendar days).

24.5.2.5 v. Inspector name and signature.

24.6 f. Reporting. The owner or operator of any facility containing sources subject to this Section 24.0 of this regulation shall comply with the requirements in Section 5 5.0 of this regulation.

25.1 a. Applicability

25.1.1 1. This Section applies The provisions of 25.0 of this regulation apply to the total of all the loading racks at any bulk gasoline terminal that deliver liquid product into gasoline tank trucks.

25.1.2 2. Any facility that becomes or is currently subject to the provisions of this Section 25.0 of this regulation by exceeding the throughput specified in the definition of bulk gasoline terminal in Section 2 2.0 of this regulation will remain subject to these provisions even if its throughput later falls below the applicability threshold. Any facility that is currently subject to a state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and will remain subject to these provisions, even if its throughput or emissions have fallen or later fall below the applicability threshold.

25.2 b. Standards for loading racks at bulk gasoline terminals.

25.2.1 1. All the loading racks at a bulk gasoline terminal subject to this Section 25.0 of this regulation shall be equipped with a vapor collection system designed to collect the organic compound liquids or vapors displaced from gasoline tank trucks during product loading.

25.2.2 2. Each vapor collection system shall be designed to prevent any VOC vapors collected at one loading rack from passing to another loading rack.

25.2.3 3. Loadings of liquid product into gasoline tank trucks shall be limited to vapor-tight gasoline tank trucks using the following procedures:

25.2.3.1 i. The owner or operator shall obtain the vapor tightness documentation described in paragraphs (d)(1) and (d)(2) 25.4.1 and 25.4.2 of this Section regulation for each gasoline tank truck that is to be loaded at the loading racks subject to this Section 25.0 of this regulation.

25.2.3.2 ii. The owner or operator shall require the tank identification number to be recorded as each gasoline tank truck is loaded at the terminal.

25.2.3.3 iii. The owner or operator shall cross-check each tank identification number obtained in paragraph (b)(3)(ii) 25.2.3.2 of this Section regulation with the file of tank vapor tightness documentation within 2 two weeks after the corresponding tank is loaded.

25.2.3.4 iv. The terminal owner or operator shall notify the owner or operator of each non-vapor-tight gasoline tank truck loaded at the loading racks subject to this Section 25.0 of this regulation that the tank truck is not vapor-tight within 3 three weeks after the loading has occurred.

25.2.3.5 v. The terminal owner or operator shall take steps to assure that the non-vapor-tight gasoline tank truck will not be reloaded at a loading rack subject to this Section 25.0 of this regulation until vapor tightness documentation for that tank truck is obtained.

25.2.4 4. The terminal owner or operator shall act to ensure that loadings of gasoline tank trucks at the loading racks subject to this Section 25.0 of this regulation are made only into tank trucks equipped with vapor collection equipment that is compatible with the terminal's vapor collection system.

25.2.5 5. The terminal owner or operator shall act to ensure that the terminal's and the tank truck's vapor collection systems are connected during each loading of a gasoline tank truck at the loading racks subject to this Section 25.0 of this regulation.

25.2.6 6. The vapor collection and liquid loading equipment shall be designed and operated to prevent gauge pressure in the gasoline tank truck from exceeding 4,500 Pascals (Pa) (450 millimeters [mm] of water) during product loading. This level shall not be exceeded when measured by the procedures specified in paragraph (c)(1) 25.3.1 of this Section regulation.

25.2.7 7. No pressure-vacuum vent in the bulk gasoline terminal's vapor collection system shall begin to open at a system pressure less than 4,500 Pa (450 mm of water).

25.2.8 8. Each calendar month, the vapor collection system, the vapor control system, and each loading rack that loads gasoline tank trucks shall be inspected for total organic compounds liquid or vapor leaks during product transfer operations. For purposes of this paragraph 25.2 of this regulation, detection methods incorporating sight, sound, or smell are acceptable. Each detection of a leak shall be recorded and the source of the leak repaired within 15 calendar days after it is detected.

25.2.9 9. The total organic compound emissions to the atmosphere from the vapor collection system due to the loading of liquid product into gasoline tank trucks shall not exceed 80 milligrams per liter (mg/L) (4.7 grains per gallon [grain/gal]) of gasoline loaded.

25.2.10 10. Loading of gasoline tank trucks shall be restricted to the use of submerged fill.

25.3 c. Test methods and procedures

25.3.1 1. In determining compliance with paragraph (b)(6) 25.2.6 of this Section regulation, the following procedures shall be used:

25.3.1.1 i. Calibrate and install a pressure measurement device (liquid manometer or equivalent instrument) capable of measuring up to 500 millimeters (mm) (20 inches [in.]) of water gauge pressure with ±2.5 mm (0.098 in.) of water precision.

25.3.1.2 ii. Connect the pressure measurement device to a pressure tap in the terminal's vapor collection system, located as close as possible to the connection with the gasoline tank truck.

25.3.1.3 iii. During the performance test, record the pressure every 5 minutes (min) while a gasoline tank truck is being loaded, and record the highest instantaneous pressure that occurs during each loading. Every loading position shall be tested at least once during the performance test.

25.3.2 2. In determining compliance with the mass emission limitation of paragraph (b)(9) 25.2.9 of this Section regulation, the following reference methods shall be used:

25.3.2.1 i. In determining volume at the exhaust vent:

25.3.2.1.1 A. Method 2B for combustion vapor control systems.

25.3.2.1.2 B. Method 2A for all other vapor control systems.

25.3.2.2 ii. In determining total organic compounds concentration at the exhaust vent, Method 25A or 25B. The calibration gas shall be either propane or butane.

25.3.3 3. Immediately prior to a performance test required to determine compliance with paragraphs (b)(6) and (b)(9) 25.2.6 and 25.2.9 of this Section regulation, all potential sources of vapor and liquid leakage from the terminal's vapor collection system equipment shall be monitored for leaks according to the procedures in Appendix F of this regulation. The monitoring shall be conducted only while a gasoline tank truck is being loaded. A reading of 10,000 parts per million by volume (ppmv) or greater as methane shall be considered a leak. All leaks shall be repaired prior to conducting the performance test.

25.3.4 4. The test procedure for determining compliance with paragraphs (b)(6) and (b)(9) 25.2.6 and 25.2.9 of this Section regulation is as follows:

25.3.4.1 i. All testing equipment shall be prepared and installed as specified in the appropriate test methods.

25.3.4.2 ii. The time period for a performance test shall be not less than 6 hours, during which at least 300,000 L (80,000 gal) of gasoline are loaded. If the throughput criterion is not met during the initial 6 hours, the test may be either continued until the throughput criterion is met, or resumed the next day with another complete 6 hours of testing. As much as possible, testing should be conducted during the 6-hour period in which the highest throughput normally occurs.

25.3.4.3 iii. For intermittent vapor control systems:

25.3.4.3.1 A. The vapor holder level shall be recorded at the start of the performance test. The end of the performance test shall coincide with a time when the vapor holder is at its original level.

25.3.4.3.2 B. At least two startups and shutdowns of the vapor processor shall occur during the performance test. If this does not occur under automatically controlled operation, the system shall be manually controlled.

25.3.4.4 iv. The volume of gasoline dispensed during the performance test period at all loading racks whose vapor emissions are controlled by the vapor processing system being tested shall be determined. This volume may be determined from terminal records or from gasoline dispensing meters at each loading rack.

25.3.4.5 v. An emission testing interval shall consist of each 5 five-minute period during the performance test. For each interval:

25.3.4.5.1 A. The reading from each measurement instrument shall be recorded.

25.3.4.5.2 B. The volume exhausted and the average total organic compounds concentration in the exhaust vent shall be determined, as specified in the appropriate test method. The average total organic compounds concentration shall correspond to the volume measurement by taking into account the sampling system response time.

25.3.4.6 vi. The mass emitted during each testing interval shall be calculated as follows:

where:

M_ei = Mass of total organic compounds (milligrams [mg]) emitted during testing interval i.

V_es = Volume of air-vapor mixture exhausted (cubic meters [m³]), at standard conditions.

C_e = Total organic compounds concentration (measured as carbon) at the exhaust vent (ppmv).

K = Density of calibration gas (milligrams/cubic meter [mg/m³]) at standard conditions.

= 1.83x10⁶ for propane.

= 2.41x10⁶ for butane.

s = Standard conditions, 20°C and 760 millimeters of mercury (mm Hg).

25.3.4.7 vii. The total organic compounds mass emissions shall be calculated as follows:

where:

E = Mass of total organic compounds emitted per volume of gasoline loaded, mg/L.

M_ei = Mass of total organic compounds emitted during testing interval i, mg.

L = Total volume of gasoline loaded, L.

n = Number of testing intervals.

25.3.5 5. The owner or operator may adjust the emission results to exclude the methane and ethane content in the exhaust vent by any method approved by the Department.

25.4 d. Recordkeeping. The owner or operator of a facility subject to the requirements of this Section 25.0 of this regulation shall maintain the following records in a readily accessible location for at least 5 five years and shall make these records available to the Department upon verbal or written request.

25.4.1 1. The tank truck vapor tightness documentation required under paragraph (b)(3) 25.2.3 of this Section regulation shall be kept on file at the terminal in a permanent form available for inspection.

25.4.2 2. The documentation file for each gasoline tank truck shall be updated at least once per year to reflect current test results as determined by Method 27. This documentation shall include, at a minimum, the following information:

25.4.2.1 i. Test title: Gasoline Delivery Tank Pressure Test EPA Reference Method 27.

25.4.2.2 ii. Tank owner and address.

25.4.2.3 iii. Tank identification number.

25.4.2.4 iv. Testing location.

25.4.2.5 v. Date of test.

25.4.2.6 vi. Tester name and signature.

25.4.2.7 vii. Witnessing inspector, if any: Name, signature, and affiliation.

25.4.2.8 viii. Test results: Actual pressure change in 5 five min, recorded in mm of water (average for two runs).

25.4.3 3. A record of each monthly leak inspection required under paragraph (b)(8) 25.2.8 of this Section regulation shall be kept on file at the terminal. Inspection records shall include, at a minimum, the following information:

25.4.3.1 i. Date of inspection.

25.4.3.2 ii. Findings (may indicate no leaks discovered or location, nature, and severity of each leak).

25.4.3.3 iii. Leak determination method.

25.4.3.4 iv. Corrective action (date each leak repaired, reasons for any repair interval in excess of 15 calendar days).

25.4.3.5 v. Inspector name and signature.

25.4.4 4. The terminal owner or operator shall keep documentation of all notifications required under paragraph (b)(3)(iv) 25.2.3.4 of this Section regulation on file at the terminal.

25.4.5 5. Daily records shall be maintained of gasoline throughput.

25.5 e. Reporting. The owner or operator of any facility containing sources subject to this Section 25.0 of this regulation shall comply with the requirements in Section 5 5.0 of this regulation.

26.1 a. Applicability

26.1.1 1. This Section applies The provisions of 26.0 of this regulation apply to any stationary gasoline storage tank located at any gasoline dispensing facility in the State of Delaware, except:

26.1.1.1 i. The following storage tanks shall be subject only to the requirements of paragraph (c)(1)(i) 26.3.1.1 of this Section regulation:

26.1.1.1.1 A. Any stationary gasoline storage tank that is equipped with a floating roof or its equivalent that has been approved by the Administrator of the U.S. EPA as part of a State Implementation Plan (SIP) or Federal Implementation Plan (FIP) revision.

26.1.1.1.2 B. Any stationary gasoline storage tank with a capacity of less than 550 gallons [gal] used exclusively for the fueling of farm equipment.

26.1.1.1.3 C. Any stationary gasoline storage tank with a capacity of less than 2,000 gal that was constructed prior to January 1, 1979.

26.1.1.1.4 D. Any stationary gasoline storage tank with a capacity of less than 250 gal that was constructed after December 31, 1978.

26.1.1.2 ii. The storage tank(s) or tanks at any gasoline dispensing facility, which never has a throughput of greater than 10,000 gallons of gasoline, shall be subject only to the requirements of paragraphs (c)(1)(i) and (d) 26.3.1.1 and 26.4 of this Section regulation. The storage tank(s) or tanks at any gasoline dispensing facility that ever exceeds this applicability threshold shall be subject to all of the requirements of this Section 26.0 of this regulation, and shall remain subject to these requirements even if its throughput later falls below the exemption throughput.

26.1.2 2. The requirements of this Section 26.0 of this regulation are in addition to all other State and Federal requirements, to include the permitting requirements of Regulation No. 2 7 DE Admin. Code 1102 of the State of Delaware "Regulations Governing the Control of Air Pollution". Any gasoline dispensing facility that is currently subject to any state or federal rule promulgated pursuant to the Clean Air Act Amendments of 1977 by exceeding an applicability threshold is and shall remain subject to those provisions.

26.1.3 3. Compliance Schedule

Any stationary gasoline storage tank subject to the requirements of this Section 26.0 of this regulation shall be in compliance as follows:

26.1.3.1 i. Storage tanks located at any facility that first commences operations:

26.1.3.1.1 A. Before November 15, 1990 and having any throughput of at least 100,000 gallons: no later than November 15, 1993.

26.1.3.1.2 B. Before November 15, 1990 and having any throughput of greater than 10,000 gallons but less than 100,000 gallons: no later than November 15, 1994.

26.1.3.1.3 C. On or after November 15, 1990 and before May 15, 1993: no later than May 15, 1993.

26.1.3.1.4 D. On or after May 15, 1993: upon commencement of operations.

26.1.3.2 ii. The requirements of paragraph(c)(1)(ii)(E) 26.3.1.2.5 of this regulation are effective on and after May 1, 2003.

26.2 b. Reserved

26.3 c. Standards

26.3.1 1. The owner and/or operator of any stationary storage tank that is subject to the requirements of this Section 26.0 of this regulation shall:

26.3.1.1 i. Load the stationary gasoline storage tank(s) or tanks by submerged fill using a drop tube that extends to within 150 mm (5.9 in.) from the bottom of the tank.

26.3.1.2 ii. Design, install, operate, and maintain a Stage I Vapor Recovery System that operates such that the vapors displaced by the liquid gasoline are returned to the delivery vessel and transported back to the bulk plant or terminal.

26.3.1.2.1 A. All hoses in the Stage I Vapor Recovery system shall be properly connected.

26.3.1.2.2 B. All vapor lines, couplers, and adapters used in the gasoline delivery shall be vaportight.

26.3.1.2.3 C. All adapters and couplers that attach to any vapor line on the storage vessel shall have closures that seal upon disconnect.

26.3.1.2.4 D. Reserved.

26.3.1.2.5 E. All Stage I systems shall utilize dual point vapor connections to return vapors from the storage tank to the delivery truck.

26.3.2 2. The filling of storage tanks subject to the requirements of this Section 26.0 of this regulation shall be limited to unloading by vapor-tight gasoline tank trucks or delivery trucks which:

26.3.2.1 i. meet all of the requirements of Section 27 27.0 of this regulation; and

26.3.2.2 ii. are equipped with vapor return equipment that is compatible with the Stage I Vapor Recovery System installed on the storage tank.

26.4 d. Recordkeeping. The owner and/or operator of any stationary gasoline storage tank exempted from the requirements of this Section 26.0 of this regulation pursuant to paragraph (a)(1)(ii) 26.1.1.2 of this section regulation shall keep on the facility premises and in a form acceptable to the Department, records showing monthly throughput. These records shall be retained for at least 5 years from the date of record, and shall be made immediately available to the Department upon request.

26.5 e. Reporting. The owner and/or operator of any facility containing sources subject to this Section 26.0 of this regulation shall comply with the requirements of Section 5 5.0 of this regulation.

27.1 a. Applicability. This Section applies The provisions of 27.0 of this regulation apply to any gasoline tank truck equipped for gasoline vapor collection. No exemptions are allowable based on number of gasoline tank trucks or total quantity of volatile organic compound (VOC) emissions.

27.2 b. Standards. Each owner or operator of a gasoline tank truck subject to this Section 27.0 of this regulation shall ensure that the gasoline tank truck:

27.2.1 1. Is a vapor-tight gasoline tank truck as demonstrated by Method 27 of Appendix A of 40 CFR Part 60 (July 1, 1992).

27.2.2 2. Displays a sticker near the Department of Transportation Certification plate required by 49 CFR 178.340-10b, that:

27.2.2.1 i. Shows the date that the gasoline tank truck last passed the test required in paragraph (b)(1) 27.2.1 of this Section regulation.

27.2.2.2 ii. Shows the identification number of the truck tank.

27.2.2.3 iii. Expires not more than 1 year after the date of the Method 27 test.

27.2.3 3. Is maintained with hatches closed at all times except during measurement of product level or maintenance. Measurement of product level or maintenance shall not be performed during product loading or unloading.

27.2.4 4. Is connected to vapor recovery equipment during loading and unloading.

27.3 c. Monitoring gasoline tank trucks for vapor tightness

27.3.1 1. The Department may, at any time, monitor a gasoline tank truck by the method referenced in paragraph (c)(2) 27.3.2 of this regulation to confirm continuing compliance with this Section 27.0 of this regulation.

27.3.2 2. Monitoring to confirm the continuing existence of vapor-tight conditions shall be performed according to the procedures described in Appendix B of the OAQPS Guideline Series document, "Control of Organic Compound Leaks from Gasoline Tank Trucks and Vapor Collection Systems," EPA-450/2-78-051.

27.4 d. Test methods and procedures. The procedures in Method 27, 40 CFR, Part 60, Appendix A (July 1, 1992), shall be used to determine compliance with paragraph (b)(1) 27.2.1 of this Section regulation.

27.5 e. Recordkeeping and reporting requirements

27.5.1 1. The owner or operator of a gasoline tank truck subject to this Section 27.0 of this regulation shall maintain records of all certification, testing, and repairs. The records shall identify the gasoline tank truck, the date of the tests or repair, and, if applicable, the type of repair and the date of retest. The records shall be maintained in a legible, readily available condition for at least 5 five years after the date the testing or repair is completed. These records shall be made available to the Department immediately upon written or verbal request.

27.5.2 2. The records required by paragraph (e)(1) 27.5.1 of this Section regulation shall, at a minimum, contain:

27.5.2.1 i. The gasoline tank truck vessel tank identification number.

27.5.2.2 ii. The initial test pressure and the time of the reading.

27.5.2.3 iii. The final test pressure and the time of the reading.

27.5.2.4 iv. The initial test vacuum and the time of the reading.

27.5.2.5 v. The final test vacuum and the time of the reading.

27.5.2.6 vi. At the top of each report page, the company name and the date and location of the tests on that page.

27.5.2.7 vii. The name and the title of person conducting the test.

27.5.3 3. The owner or operator of a gasoline tank truck subject to this Section 27.0 of this regulation shall certify and report to the Department annually that the gasoline tank truck has been tested by Method 27 as specified in paragraph (d) 27.4 of this Section regulation. The certification shall include:

27.5.3.1 i. The name and address of the company and the name and telephone number of the responsible company representative under whose signature the certification is submitted.

27.5.3.2 ii. A copy of the information recorded to comply with paragraph (e)(2) 27.5.2 of this Section regulation.

27.5.4 4. Copies of all records and reports under this Section 27.0 of this regulation shall immediately be made available to the Department upon verbal or written request.

28.1 a. Applicability

28.1.1 1. This Section applies The provisions of 28.0 of this regulation apply to any vacuum-producing system, wastewater separator, and process unit turnaround at petroleum refinery sources. No exemptions are allowable based on size or throughput of a facility.

28.1.2 2. This Section applies The provisions of 28.0 of this regulation do not apply to segregated storm water runoff drain systems or to non-contact cooling water systems.

28.2 b. Definitions. As used in this Section 28.0 of this regulation, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2 2.0 of this regulation.

“Accumulator” means the reservoir of a condensing unit receiving the condensate from the condenser.

“Firebox” means the chamber or compartment of a boiler or furnace in which materials are burned but does not mean the combustion chamber of an incinerator.

“Forebays” means the primary sections of a wastewater separator.

“Hot well” means the reservoir of a condensing unit receiving the warm condensate from the condenser.

“Refinery process unit” means any segment of the petroleum refinery in which a specific processing operation is conducted.

“Refinery fuel gas” means any gas that is generated by a petroleum refinery process unit and that is combusted, including any gaseous mixture of natural gas and fuel gas.

“Turnaround” means the procedure of shutting a refinery unit down after a run to perform necessary maintenance and repair work and then returning the unit to operation.

“Vacuum-producing system” means any reciprocating, rotary, or centrifugal blower or compressor, or any jet ejector or device that takes suction from a pressure below atmospheric pressure and discharges against atmospheric pressure.

“Wastewater (oil/water) separator” means any device or piece of equipment that utilizes the difference in density between oil and water to remove oil and associated chemicals from water, or any device, such as a flocculation tank, clarifier, etc., that removes petroleum-derived compounds from wastewater.

28.3 c. Standards

28.3.1 1. Vacuum-producing systems. No person shall permit the emission of any uncondensed volatile organic compound (VOC) from the condensers, hot wells, or accumulators of any vacuum producing system at a petroleum refinery. The standard shall be achieved by either of the following:

28.3.1.1 i. Piping the uncondensed vapors to a firebox or incinerator.

28.3.1.2 ii. Compressing the vapors and adding them to the refinery fuel gas.

28.3.2 2. Wastewater separators. The owner or operator of any wastewater (oil/water) separator at a petroleum refinery shall:

28.3.2.1 i. Provide covers and seals on all separators and forebays.

28.3.2.2 ii. Equip all openings in covers, separators, and forebays with lids or seals and keep the lids or seals in the closed position at all times except when in actual use.

28.3.3 3. Process unit turnarounds. The owner or operator of a petroleum refinery shall provide for the following during process unit turnaround: