Title 7 Natural Resources and Environmental Control
1100 Air Quality Management Section
1100 Air Quality Management Section
1124 Control of Volatile Organic Compound Emissions (Formerly Reg. No. 24)
1.0 Reserved
2.0 Definitions.
1/11/02
For the purpose of this regulation, the following definitions apply:
"Actual Emissions" means the quantity VOCs emitted from a source during a particular time period.
"As Applied" means including any dilution solvents added before application of the coating.
"Basecoat" means a pigmented topcoat that is the first coat applied as part of a multistage topcoat system.
"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.
"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.
"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.
"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.
"Carbon Absorber" means an add-on control device that uses activated carbon to absorb VOCs from a gas stream.
"Carbon Adsorption System" means a carbon adsorber with an inlet and outlet for exhaust gases and a system to regenerate the saturated adsorbent.
"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.
"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.
"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 flashoff area in order to be included in this definition.
"Continuous Vapor Control System" means a vapor control system that treats vapors displaced from tanks during filling on a demand basis without intermediate accumulation.
"Control Device" means equipment (such as an incinerator or carbon adsorber) used to reduce, by destruction or removal, the amount of air pollutant(s) in an air stream prior to discharge to the ambient air.
"Control System" means a combination of one or more capture system(s) and control device(s) working in concert to reduce discharges of pollutants to the ambient air.
"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.
"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.
"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.
"Exempt Compounds" means any of the compounds listed in Regulation 1, Section 2 - 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.
"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.
"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).
"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.
"Flashoff Area" means the space between the coating application area and the oven.
"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.
"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.
"Heavy-duty Truck" means any motor vehicle rated at greater than 3,864 kg (8,500 lb) gross weight designed primarily to transport property.
"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.
"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.
"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.
"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.
"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.
"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.
"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.
"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.
"Lower Explosive Limit" (LEL) means the concentration of a compound in air below which a flame will not propagate if the mixture is ignited.
"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 preceding years.
"Maximum True Vapor Pressure" means the equilibrium partial pressure exerted by a stored liquid at the temperature equal to:
• for liquids stored above or below the ambient temperature, the highest calendar-month average of the liquid storage temperature, or,
• 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:
• In accordance with methods described in American Petroleum Institute Bulletin 2517, "Evaporation Loss From External Floating Roof Tanks."
• By using standard reference texts.
• By ASTM D2879-83.
• By any other method approved by the Department as part of the State Implementation Plan (SIP) Revision.
“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.
"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.
"Organic Compound" means any carbon-containing chemical compound excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate.
"Oven" means a chamber which is used to bake, cure, polymerize, and/or dry a coating.
"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.
"Owner or Operator" means any person who owns, leases, controls, operates or supervises a facility, a source, or air pollution control or monitoring equipment.
"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.
"Petroleum" means the crude oil removed from the earth and the oils derived from tar sands, shale and coal.
"Petroleum Liquid" means petroleum condensate, and any finished or intermediate products manufactured in a petroleum refinery.
"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.
"Press-Ready Ink" means the ink, as applied to the substrate, after all solvents and diluents have been added.
"Pressure Release" means the emission of materials resulting from system pressure being greater than set pressure of the pressure relief device.
"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.
"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.
"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.
"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.
"Roll Coating" means the application of a coating material to a moving substrate by means of hard rubber, elastomeric, or metal rolls.
"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.
"Shutdown" means the cessation of operation of a facility or of its emission control or emission monitoring equipment.
"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.
"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.
"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%.
"Standard Conditions" means a temperature of 20 C (68 F) and pressure of 760 mm Hg (29.92 in. Hg).
"Startup" means the setting in operation of a source or of its emission control or emission monitoring equipment.
"Storage Vessel" means each tank, reservoir or container used for the storage of Volatile Organic Liquids, but does not include:
• Frames, housing, auxiliary supports or other components that are not directly involved in the containment of liquids or vapors; or
• Subsurface caverns or porous rock reservoirs.
"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.
"Substrate" means the surface onto which a coating is applied or into which a coating is impregnated.
"Throughput" means the amount of gasoline dispensed at a gasoline dispensing facility during a calendar month after November 15, 1990.
"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.
"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.
"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.
"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.
"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.
"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 percent of the LEL when measured with a combustible gas detector, calibrated with propane, at a distance of 2.54 centimeters (cm) (1 in.)from the source.
"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 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).
"Volatile Organic Liquid" (VOL) means any organic liquid which can emit any Volatile Organic Compound into the atmosphere (see definition of "Volatile Organic Compound").
"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"). 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.
"Web Coating Line" means all of the coating applicator(s), drying area(s), or oven(s), 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.
5 DE Reg. 1478 (1/1/02)
3.0 Reserved
4.0 Reserved
5.0 Reserved
6.0 Reserved
7.0 Reserved
8.0 Reserved
9.0 Reserved
10.0 Aerospace Coatings
10.1 Applicability.
10.1.1 Except as provided for in 10.1.2 and 10.1.3, this Section applies to any owner or operator of any aerospace manufacturing or rework facility that conducts any of the following operation(s):
10.1.1.1 hand-wipe cleaning;
10.1.1.2 spray gun cleaning;
10.1.1.3 flush cleaning;
10.1.1.4 primer, topcoat, self-priming topcoat, and specialty coating application;
10.1.1.5 the depainting of the outer surface of aerospace vehicles (except for depainting parts or units normally removed during depainting);
10.1.1.6 Type I or Type II chemical milling maskant application; and
10.1.1.7 VOC handling and storage.
10.1.2 Except for the requirements in subsection 10.3.8, this Section does not apply to the following operations in any aerospace manufacturing or rework facility:
10.1.2.1 Chemical milling;
10.1.2.2 Metal finishing;
10.1.2.3 Electrodeposition (except for the electro-deposition of paints); and
10.1.2.4 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 The requirements of this Section do not apply to aerospace manufacturing or rework facilities whose plant-wide, actual emissions from the operations in section 10.1.1 without control devices are less than 6.8 kilograms (kg) (15 pounds [lbs]) of volatile organic compounds (VOCs) per day.
10.1.4 Existing sources affected by this Section shall comply with the provisions of this Section on and after the effective date of this Section, except for the requirements of section 10.3.6.2 and 10.3.7. Existing sources affected by this Section shall comply with the requirements of section 10.3.6.2 and 10.3.7 beginning as soon as practible, but no later than the date one year after the effective date of this Section. New, modified, or reconstructed sources affected by this Section shall comply with the provisions of this Section on and after startup. Notwithstanding section 1.5 of Regulation 24, any owner or operator currently permitted under Regulation 2 and/or Regulation 30 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 2.0 and/or Regulation 30.0, as applicable.
10.1.5 Any facility that becomes or is currently subject to the provisions of this Section by exceeding the applicability threshold in section 10.1.1.3 shall remain subject to these provisions even if its emissions later fall below the applicability threshold.
10.1.6 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 Definitions. As used in this Section, all terms not defined herein shall have the meaning given them in the November 15, 1990 Clean Air Act Amendments (CAAA), or in Section 2.0 of Regulation 24 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 250oF or below and primers with a design cure above 250oF.
"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 (-275oF 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 150oF 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 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 means coatings that are used on parts that are subject to the flammability requirements of MIL-STD-1630A and MIL-A-87721. For space applications, fire-resistant 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 350oF.
"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.
"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 self-priming 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 and defined in section 10.2.
"Specialized Function Coating" means a speciatly 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 repair operations 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 - Definitions.
"VOC Composite Vapor Pressure" means the sum of the partial pressures of the compounds defined as VOC's and is determined by the following calculation:
Wi = Weight of the "i"th VOC compound,
grams
Ww = Weight of water, grams
We = Weight of nonwater, non-VOC compound,
grams
MWi = Molecular weight of the "i"th VOC
compound, g/g-mole
MWw = Molecular weight of water, g/g-mole
MWe = Molecular weight of exempt compound,
g/g-mole
PPc = VOC composite partial pressure at 20oC,
mm Hg
VPi = Vapor pressure of the "i"th VOC
compound at 20oC, 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.
6 DE Reg. 971 (2/1/03)
10.3 Standards.
10.3.1 Hand-Wipe Cleaning Operations.
10.3.1.1 Except as exempted in paragraph 10.3.1.2, no person subject to this Section shall cause or allow on any day 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 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 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 The requirements of paragraphs 10.3.1.1 of this Section shall not apply to the following hand-wipe cleaning operations:
10.3.1.2.1 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 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 Cleaning and surface activation prior to adhesive bonding.
10.3.1.2.4 Cleaning of electronics and assemblies containing electronics.
10.3.1.2.5 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 Cleaning of fuel cells, fuel tanks, and limited-access spaces.
10.3.1.2.7 Surface cleaning of solar cells, coated optics, and thermal control surfaces.
10.3.1.2.8 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 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 Cleaning of aircraft transparencies.
10.3.1.2.11 Cleaning associated with research and development, quality control, and laboratory testing.
10.3.2 Spray Gun Cleaning Operations.
10.3.2.1 No person subject to this Section shall cause or allow on any day the use of any spray gun cleaning techniques that does not comply with one of the following:
10.3.2.1.1 Use of an enclosed spray gun cleaning system that is kept closed when not in use.
10.3.2.1.2 Non-atomized discharge of solvent into a waste container that is kept closed when not in use.
10.3.2.1.3 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 Atomized spray into a waste container that is fitted with a device that captures atomized solvent emissions.
10.3.2.1.5 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 sections 10.3.2.1.1 through 10.3.2.1.4. Emissions from any alternative technique shall be demonstrated pursuant to test protocols that are approved in advance by the Department.
10.3.2.2 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 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 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 Flush Cleaning. Any cleaning solvents used during flush cleaning operations shall be handled pursuant to section 10.3.8.
10.3.4 Primer, Topcoat, and Self-Priming Topcoat Application.
10.3.4.1 Except as provided for in section 10.3.4.2.4 and 10.3.4.2.5, no person subject to this Section shall cause or allow on any day 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 Primers shall have a VOC content equal to or less than 350 g/L (2.9 lb/gal), excluding water and exempt compounds, as applied.
10.3.4.1.2 Topcoats and self-priming topcoats shall have a VOC content equal to or less than 420 g/L (3.5 lb/gal), excluding water and exempt compounds, as applied.
10.3.4.2 The requirements of section 10.3.4.1.2 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 Each topcoat and self-priming topcoat shall have a VOC content equal to or less than 720 g/L (6.0 lb/gal), excluding water and exempt compounds as applied.
10.3.4.2.2 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 Except as provided for in section 10.3.4.4, no person subject to this Section shall cause or allow on any day the use of any application technique to apply any primer, topcoat, or self-priming topcoat other than the following:
10.3.4.3.1 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 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 The equipment standards and application techniques in section 10.3.4.3 shall not apply to the following primer, topcoat and self-priming topcoat application operations:
10.3.4.4.1 The application of coatings in any limited access space.
10.3.4.4.2 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 section 10.3.4.3.
10.3.4.4.3 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 section 10.3.4.3.
10.3.4.4.4 The use of airbrush application methods for stenciling, lettering, and other identification markings.
10.3.4.4.5 Any touch-up and repair operation.
10.3.4.5 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 section 10.3.4.3.
10.3.5 Depainting Operation. No person subject to this Section shall cause or allow on any day the use of any stripper that does not comply with one of the following limits:
10.3.5.1 VOC composite vapor pressure shall be less than 10 mm Hg (0.4 in. Hg) at 20(C (68(F).
10.3.5.2 VOC content shall be less than 400 g/L (3.3 lb/gal), excluding water and exempt compounds, as applied.
10.3.6 Chemical Milling Maskant Application.
Except as provided for in section 10.4 or 10.5, no person subject to this Section shall cause or allow on any day the application of any chemical milling maskant with a VOC content that does not comply with the following emission limits:
10.3.6.1 For any Type I maskant, VOC content equal or less than 622 g/L (5.2 lbs/gal), excluding water and exempt compounds, shall be applied; or
10.3.6.2 For any Type II maskant, VOC content equal or less than 160 g/L (1.3 lbs/gal), excluding water and exempt compounds, shall be applied.
10.3.7 Specialty Coatings
Except as provided for in section 10.4 or 10.5, no person subject to this Section shall cause or allow on any day the application of any specialty coating that has a VOC content, excluding water and exempt compounds, as applied, that is greater than the limits specified in Table10-1:
TABLE 10-1. VOC CONTENT LIMITS FOR SPECIALTY COATINGS (g/L)a | |||
Coating Type |
Limit |
Coating Type |
Limit |
Ablative Coating |
600 |
Epoxy Polyamide Topcoat |
660 |
Adhesives: Commercial Interior Adhesive Cyanoacrylate Adhesive Fuel Tank Adhesive Nonstructural Adhesive Rocket Motor Bonding Adhesive Rubber-based Adhesive Structural Autoclavable Adhesive Structural Nonautoclavable Adhesive |
760 1,020 620 360 890 850 60 850 |
Fire-Resistant (interior) Coating |
800 |
Flexible Primer |
640 | ||
Flight-Test Coatings:Missile or Single Use Aircraft All other |
420 840 | ||
Fuel-Tank Coating |
720 | ||
High-Temperature Coating |
850 | ||
Insulation Covering |
740 | ||
Adhesion promoter |
890 |
Intermediate Release Coating |
750 |
Adhesive Bonding Primers: Cured at 250oF or below Cured above 250oF |
850 1,030 |
Lacquer |
830 |
Antichafe coating |
660 |
Maskants (excluding Type I and Type II): Bonding maskant Critical Use and Line Sealer Maskant Seal Coat Maskant |
1,230 1,020 1,230 |
Bearing coating |
620 |
Pretreatment Coating |
780 |
Caulking and smoothing compounds |
850 |
Rain Erosion-Resistant Coating |
850 |
Chemical Agent-Resistant Coating |
550 |
Rocket Motor Nozzle Coating |
660 |
Clear Coating |
720 |
Scale Inhibitor |
880 |
Commercial exterior aerodynamic structure primer |
650 |
Screen Print Ink |
840 |
Compatible Substrate Primer |
780 |
Sealants: Extrudable/Rollable/Brushable Sealant Sprayable Sealant |
280 600 |
Corrosion Prevention Compound |
710 |
Silicone Insulation Material |
850 |
Cryogenic Flexible Primer |
645 |
Solid Film Lubricant |
880 |
Cryoprotective Coating |
600 |
Specialized Function Coating |
890 |
Dry Lubricative Material |
880 |
Temporary Protective Coating |
320 |
Electric or Radiation-Effect Coating |
800 |
Thermal Control Coating |
800 |
Electrostatic Discharge and Electromagnetic Interference (EMI) Coating |
800 |
Wet Fastener Installation Coating |
675 |
Elevated-Temperature Skydrol-Resistant Commercial Primer |
740 |
Wing Coating |
850 |
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 VOC Handling and Storage.
10.3.8.1 Except as provided in section 10.3.8.2, any person subject to this Section 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 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 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 All solvent-laden cloths, papers, or other absorbent materials shall be placed in closed containers immediately after use.
10.3.8.2 The requirements in section 10.3.8.1 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 Daily-Weighted Average Limitations. As an alternative to complying with the individual limits specified in sections 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1, 10.3.6.2, and 10.3.7, coatings in any primer, topcoat, chemical milling maskant, or specialty coating application operation shall not be applied at the facility, during any day, whose daily-weighted average VOC content, calculated in accordance with the procedure specified in Appendix "C" of Regulation 24 and the provisions listed below, exceeds the applicable emission limits in sections 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1,10.3.6.2, and 10.3.7, as applicable.
10.4.1 Averaging between primers, topcoats, self-priming topcoats, chemical milling maskants and/or specialty coatings is prohibited.
10.4.2 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 Control Devices.
10.5.1 As an alternative to complying with the individual limits specified in section 10.3.4.1.1, 10.3.4.1.2, 10.3.6.1, 10.3.6.2, and 10.3.7, any person subject to this Section shall, for any primer, topcoat, self-priming topcoat, chemical milling maskant, and/or specialty coating application operation:
10.5.1.1 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 Demonstrate that the overall emission reduction efficiency achieved is equal to or greater than 81 weight percent.
10.5.2 The procedures in Appendix "D" and Appendix "E" of Regulation 24 shall be used to demonstrate compliance with section 10.5.1.2. The method in Appendix "I" of Regulation 24 may be used to determine an alternative multi-day rolling period when calculating the efficiency of any carbon absorption system.
10.6 Test Methods.
10.6.1 The VOC composite vapor pressure specified in section 10.3.1.1.1 and section 10.3.5.1 shall be determined either by using ASTM Method E 260-91, manufacturer's supplied data, or standard engineering reference text values.
10.6.2 The water content specified in section 10.3.1.1.2 shall be determined using the test methods found in Appendix "A" and Appendix "B" of Regulation 24.
10.6.3 The VOC content specified in section 10.3.4.1.1 and 10.3.4.1.2 shall be determined by using the test method found in Appendix "A" and Appendix "B" of Regulation 24.
10.7 Recordkeeping. Any person subject to this Section 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 For any person subject to the requirements of section 10.3.1 (i.e., hand-wipe cleaning operations):
10.7.1.1 Identification of each hand-wipe cleaning solvent used at the facility;
10.7.1.2 The composite vapor pressure of each hand-wipe cleaning solvent complying with section 10.3.1.1.1, and all supporting documentation, to include any test reports and/or calculations.
10.7.1.3 The water content of each hand-wipe cleaning solvent complying with paragraph 10.3.1.1.2, and all supporting documentation, to include any test reports and/or calculations.
10.7.1.4 Identification of each hand-wipe cleaning solvent used at the facility pursuant to section 10.3.1.2, and a list of the parts, assemblies, or subassemblies cleaned with each such hand-wipe cleaning solvent.
10.7.2 For any person subject to section 10.3.2 (i.e., spray gun cleaning):
10.7.2.1 A description of each method used to clean spray guns.
10.7.2.2 Records of the inspections conducted pursuant to paragraph 10.3.2.2.1.
10.7.2.3 For any leak found pursuant to section 10.3.2.2.1, records indicating the source of the leak, the date the leak was discovered, and the date the leak was repaired.
10.7.3 For any person subject to section 10.3.4 (i.e., primer, topcoat, and self-priming topcoat application):
10.7.3.1 For each coating applied pursuant to section 10.3.4.2.
10.7.3.1.1 Not later than the 5th day of each month, identification of each coating used at the facility pursuant to section 10.3.4.2 during the preceding month.
10.7.3.1.2 The volume used of each coating identified in sectiom 10.7.3.1.1.
10.7.3.1.3 The summation of the volumes recorded pursuant to section 10.7.3.1.2 for the preceding twelve (12) months.
10.7.3.1.4 The records required by section 4.5 of Regulation 24.
10.7.3.2 A description of the proper operation of all coating application equipment used at the facility.
10.7.3.3 Documentation associated with any alternate coating application techniques approved pursuant to section 10.3.4.3.2.
10.7.4 For any person subject to section 10.3.4, 10.3.6, and 10.3.8 (i.e., primer, topcoat, self-priming topcoat, chemical milling maskant, and specialty coating application):
10.7.4.1 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 Where complying coatings are used, the records required by Section 4.3 of Regulation 24.
10.7.4.3 Where daily-weighted averaging pursuant to Section 10.4 is used, the records required by Section 4.4 of Regulation 24.
10.7.4.4 Where a control device(s) pursuant to paragraph 10.5 of this Section is used, the records required by Section 4.5 of Regulation 24.
10.7.5 For any person subject to section 10.3.5:
10.7.5.1 If complying with section 10.3.5.1, 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 If complying with section 10.3.5.2, 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 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 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) used.
10.7.5.5 A list of any parts, assemblies, or subassemblies normally removed during depainting operations.
10.7.6 For any person subject to section 10.3.8, 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 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, as applicable and any other applicable Federal or State reporting requirements.
6 DE Reg. 190 (8/1/02)
11.0 Mobile Equipment Repair and Refinishing.
11.1 Applicability.
11.1.1 This Section applies 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 The surface coating process at any automobile assembly plant.
11.1.1.2 Persons who do not receive compensation for the application of the coatings.
11.1.1.3 The application of coatings sold in non-refillable aerosol cans.
11.1.2 Any person subject to the requirements of this Section shall be in compliance on or after October 31, 2003.
11.1.3 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 Compliance with the requirements of this section 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 Definitions. As used in this Section, 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.
“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 Standards.
11.3.1 Any person subject to the requirements of this Section shall use only the following application techniques:
11.3.1.1 Any non-atomized application technique (e.g., Flow/curtain coating, Dip coating, Roller coating, Brush coating, Cotton-tipped swab application coating, Electrodeposition coating, etc.)
11.3.1.2 High Volume Low Pressure (HVLP) spraying;
11.3.1.3 Electrostatic spray;
11.3.1.4 Airless spray;
11.3.1.5 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 The following are exempt from the requirements of paragraph 11.3.1 of this Section:
11.3.2.1 The use of airbrush application methods for graphics, stenciling, lettering, and other identification markings;
11.3.2.2 The applications of coatings to cover finish imperfections equal to or less than 1 inch in diameter.
11.3.3 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 Use of an enclosed spray gun cleaning system that is kept closed when not in use.
11.3.3.2 The unatomized discharge of solvent into a paint waste container that is kept closed when not in use.
11.3.3.3 The disassembly of the spray gun and cleaning in a vat that is kept closed when not in use.
11.3.3.4 The atomized spray into a paint waste container that is fitted with a device designed to capture atomized solvent emissions.
11.3.4 Any person subject to the provisions of this Section shall implement the following housekeeping and pollution prevention measures:
11.3.4.1 Fresh and used coatings, solvent, and cleaning solvents shall be stored in non-absorbent, non-leaking containers. The containers shall be kept closed at all times except when filling or emptying.
11.3.4.2 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 Handling and transfer procedures shall minimize spills during the transfer of coatings, solvents, and cleaning solvents.
11.3.5 Any person subject to the requirements of this Section 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 Proof of training for any person subject to the requirements of this Section shall be maintained on the facility premises.
11.3.5.2 Acceptable forms of training include equipment or paint manufacturer’s seminars, classes, workshops, or any other training approved by the Department.
5 DE Reg. 1101 (11/1/01)
12.0 Reserved
13.0 Reserved
14.0 Reserved
15.0 Reserved
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20.0 Reserved
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25.0 Reserved
26.0 Gasoline Dispensing Facility Stage I Vapor Recovery
1/11/93
1/11/02
26.1 Applicability.
26.1.1 This Section applies to any stationary gasoline storage tank located at any gasoline dispensing facility in the State of Delaware, except:
26.1.1.1 The following storage tanks shall be subject only to the requirements of paragraph 26.3.1.1 of this Section:
26.1.1.1.1 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 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 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 Any stationary gasoline storage tank