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Delaware General AssemblyDelaware RegulationsMonthly Register of RegulationsApril 2013

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Approving Final Revision to Delaware’s State Implementation Plan (SIP) for the Implementation, Maintenance and Enforcement of the 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standard (NAAQS), Pursuant to the Requirements of Section 110(a)(2)(A)-(M) of the Federal Clean Air Act (CAA)
This Order considers the proposed revision to the Delaware State Implementation Plan (SIP) that addresses the requirements of Section 110(a)(2)(A)-(M) of the federal Clean Air Act (CAA) for the 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standard (NAAQS). Effective April 12, 2010, the U.S. Environmental Protection Agency (EPA) promulgated a new NAAQS for the pollutant NO2. Because there have been NAAQSs in existence for many years that cover the pollutant NO2, the CAA 110 requirements are already substantially addressed in Delaware’s SIP. The SIP revision being proposed by the Department at this time demonstrates how Delaware’s SIP meets each requirement of Section 110(a)(2)(A)-(M) of the (CAA) for the 2010 NO2 NAAQS.
The Department published its initial proposed revision to the aforementioned Delaware SIP in the December 1, 2012 Delaware Register of Regulations, and held a public hearing on January 3, 2013. It should be noted that no public comment was received by the Department with regard to this proposed promulgation, and no members of the public attended the hearing held by the Department in this matter.
As noted above, effective April 12, 2010, the U.S. Environmental Protection Agency (“EPA”) promulgated a new NAAQS for NO2. The level of the NAAQS was established at 100 parts per million (ppm), based on a 3-year average of the 98th percentile of the yearly distribution of 1-hour daily maximum concentrations. The CAA requires each State to submit to the EPA a SIP that provides for the implementation, maintenance, and enforcement of a newly promulgated or revised NAAQS. The SIP revision being proposed at this time is to fulfill this federal requirement relative to the 2010 NO2 NAAQS.
I find that the proposed revision to Delaware’s aforementioned SIP is well-supported by the record developed by the Department, and I adopt the Report to the extent it is consistent with this Order. The Department’s experts developed the record and drafted the proposed SIP revision.
5.) The recommended revision to Delaware’s State Implementation Plan (SIP) which addresses the requirements of Section 110(a)(2)(A)-(M) of the federal Clean Air Act (CAA) for the 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standard (NAAQS) should be adopted as final, thereby enabling Delaware to (1) demonstrate that the contingency requirements of the Clean Air Act (CAA) are met; and (2) because the revision is well supported by documents in the record;
6.) The Department shall submit this Order approving the final revision to Delaware’s State Implementation Plan (SIP) that addresses the requirements of Section 110(a)(2)(A)-(M) of the federal Clean Air Act (CAA) for the 2010 Nitrogen Dioxide (NO2) National Ambient Air Quality Standard (NAAQS) to the Delaware Register of Regulations for publication in its next available issue, and provide such other notice as the law and regulation require and the Department determines is appropriate.
Effective April 12, 2010, the Environmental Protection Agency (EPA) established a new 1-hour primary National Ambient Air Quality Standard (NAAQS) for nitrogen dioxide (NO2) at a level of 100 parts per billion (ppb), based on a 3-year average of the 98th percentile of the yearly distribution of 1-hour daily maximum concentrations.1 Pursuant to sections 110(a)(1) and 110(a)(2) of the Clean Air Act (CAA), each state is required to submit a State Implementation Plan (SIP) to provide for the implementation, maintenance, and enforcement of a newly promulgated or revised NAAQS. This SIP revision fulfills this requirement relative to the 2010 NO2 NAAQS.
Section 2.0 of this document is a revision to Delaware’s SIP. The purpose of this SIP revision is to detail how Delaware meets all of the necessary implementation, maintenance, and enforcement measures required by the CAA, specifically, CAA §110(a)(2), relative to the 2010 NO2 NAAQS. Under the heading “Delaware’s Plan” in Section 2.0 of this document Delaware provides a revision to its SIP to address those requirements of Section 110(a)(2)(A)-(M) of the CAA which have not been addressed in other SIP revisions. It is a compilation of certain elements that describe how the 2010 NO2 NAAQS is being implemented, maintained and enforced. The elements of this SIP revision, once approved by EPA, will provide a federally enforceable written confirmation that Delaware will continue to comply with the Section 110(a)(1) and (2) requirements of the CAA.
Legislative authority for the Delaware air quality program relating to the responsibilities in the CAA is codified in Title 7 “Conservation” of the Delaware Code, Chapter 60 – Delaware’s comprehensive water and air resources conservation law2, which gives the Delaware Department of Natural Resources and Environmental Control (DNREC) the power and duty to implement the provisions of the CAA in the State of Delaware.
Many of the miscellaneous requirements of Section 110(a)(2)(A)-(M) of the CAA relevant to the 2010 NO2 NAAQS are already contained in Delaware’s SIP. The following Table identifies those SIP provisions. The following Table also identifies those infrastructure requirements which are not applicable to Delaware.
For the 2010 NO2 NAAQS, the following emission limitations and schedules are contained in Delaware’s approved SIP.
7 DE Admin. Code 11011, Definitions And Administrative Principles
7 DE Admin Code 1112, Control of Nitrogen Oxides Emissions
7 DE Admin Code 1142, Section 1.0, Control of NOx Emissions from Industrial Boilers
7 DE Admin Code 1142, Section 2.0, Control of NOx Emissions from Industrial Boilers and Process Heaters at Petroleum Refineries
7 DE Admin Code 1144, Control of Stationary Generator Emissions
7 DE Admin Code 1146, Electric Generating Unit Multi-pollutant Regulation
7 DE Admin Code 1148, Control of Stationary Combustion Turbine Electric Generating Unit Emissions
7 DE Admin. Code 1127, Stack Heights
7 DE Admin. Code 1103, Ambient Air Quality Standards, provides for the establishment and operation of procedures necessary to monitor, compile and analyze data related to ambient air quality.
Delaware implements its Construction and Operation Permit Program requirements under 7 DE Admin. Code 1102 and 1125. These existing permitting programs ensure that the construction and modification of both major and minor stationary sources do not cause or contribute to a violation of the NO2 NAAQS.
7 DE Admin. Code 1125 fulfills parts C and D of Title I of the CAA, governing preconstruction review and permitting of any new or modified major stationary sources of air pollutants. 1125 is approved in the DE SIP. Under 1125 any major source or modification that results in a net significant increase of NOx (25 TPY in Kent and New Castle County; 40 TPY in Sussex County) must apply Lowest Achievable Emission Rate (LAER) technology to reduce NOx emissions, and must secure emission offsets such that there is a net air quality benefit. In addition, any 100/250 TPY source of NOx emissions is also subject to the attainment review provisions of Section 3.0 of 1125, PSD.
7 DE Admin. Code 1102 provides for the evaluation and necessary regulation of any stationary source that emit equal to or greater than 0.2 lb of any air contaminate, including NO2, in any one day.
§110(a)(2)(F)(i): Specific monitoring requirements are found in 7 DE Admin. Code 1103 and 1117. These requirements are included in Delaware’s SIP.
§110(a)(2)(F)(ii): Specific reporting requirements are found in 7 DE Admin. Code 1103 and 1117. These requirements are included in Delaware’s SIP.
7 DE Admin. Code 1115, Air Pollution Alert and Emergency Plan, contains emergency episode plan provisions that are currently approved in Delaware’s SIP.
Delaware’s PSD requirements are promulgated in 7 DE Admin. Code 1125, Preconstruction Review.

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Delaware’s air quality regulations are codified in Delaware’s administrative code, - Title 7 Natural Resources and Environmental Control, 1100 Air Quality Management Section. Citations are expressed in this document as “7 DE Admin. Code” followed by the specific subpart of 1100. All portions of the DE Admin. Code referred to in this document are already included in Delaware’s SIP.

This SIP revision addresses those requirements of Section 110(a)(2)(A)-(M) of the Clean Air Act (CAA) for the 2010 NO2 NAAQS, which have not been addressed in other SIP revisions. Each of the requirements of §110(a)(2) of the CAA (Subparagraphs A–M) is presented below, along with a discussion of Delaware’s plan revision to meet the requirement.
(A) §110(a)(2)(A) Requirement: Include enforceable emission limitations and other control  measures,  means, or techniques (including  economic incentives such as fees, marketable permits, and  auctions of emissions  rights), as well as schedules and timetables for compliance, as may be necessary or appropriate to meet the applicable requirements of this Act.
Delaware’s Plan: Delaware has established laws and regulations that include enforceable emissions limitations and other control measures, means or techniques, as well as schedules and timetables for compliance to meet the applicable requirements of the CAA, to include the requirements associated with the 2010 NO2 NAAQS. Delaware may make changes to its laws and regulations that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
At present, Delaware’s statutory authority is set out in Title 7 “Conservation” of the Delaware Code, Chapter 60 – Delaware’s comprehensive water and air resources conservation law. Legislative authority giving the Secretary of the Delaware Department of Natural Resources and Environmental Control the authority to promulgate Regulations is codified at 7 Del.C., Chapter 60. This authority is applicable to the 2010 NO2 NAAQS.
(B) §110(a)(2)(B) Requirement: Provide for establishment and operation of  appropriate  devices, methods, systems, and procedures necessary to (i)  monitor, compile,  and  analyze data  on ambient  air quality, and (ii)  upon  request,  make  such  data  available  to  the Administrator.   
Delaware’s Plan: Delaware has established and currently operates appropriate devices, methods, systems and procedures necessary to monitor, compile and analyze data on ambient air quality, and upon request, makes such data available to the Administrator. Delaware will continue to operate devices, methods, systems and procedures and may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation. At present, Delaware does this as follows for the 2010 NO2 NAAQS:
In order to keep EPA informed of changes to the sampling network Delaware provides EPA Region III with prior notification of any planned changes to the network. As needed, details of these changes and anticipated approvals of the changes are communicated to EPA. On an annual basis, Delaware sends EPA a monitoring network plan as required by 40 CFR Part 58 Section 10: Annual monitoring network plan and periodic network assessment. This plan contains all required information including site and monitor description, analysis methods, operating schedule, monitoring objectives and scale of representativeness, as well as information on any planned changes. Delaware submits data to the AQS system, in a timely manner, pursuant to the schedule prescribed by the EPA in 40 CFR Part 58. 
(C) §110(a)(2)(C) Requirement: Include a program to provide for the enforcement of the measures described  in subparagraph (A), and  regulation of the modification and construction of  any stationary source within the  areas covered by the plan  as  necessary to assure that national ambient air quality standards are achieved,  including  a permit program as required in parts C and D.
Delaware’s Plan: Delaware has established and currently operates a program to provide for the enforcement of the enforceable emission limitations and other control measures, means, or techniques, as well as schedules and timetables for compliance, as may be necessary or appropriate to meet the applicable requirements of the CAA and to regulate the modification and construction of any stationary source within areas covered by its SIP as necessary to assure the NAAQS are achieved, including permit programs required in parts C and D. At present, Delaware, through its Division of Air Quality, exercises its programmatic authority to utilize the enforcement powers set out in 7 Del.C. §6005 entitled “Enforcement; civil and administrative penalties; expenses”; 7 Del.C. §6013 entitled “Criminal penalties”; and 7 Del.C. §6018 entitled “Cease and desist order.” Delaware will continue to operate this program and may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
(D) §110(a)(2)(D) Requirement: Contain adequate provisions – (i) prohibiting, consistent  with the  provisions of  this title, any source or other type of emissions activity within the State  from emitting any air pollutant  in amounts which will -  (I) contribute significantly to non-attainment  in, or  interfere  with maintenance  by, any  other State  with respect to any such  national  primary  or  secondary ambient air quality standard, or (II) interfere  with measures required to be included in the  applicable  implementation plan  for any  other State under part C to prevent significant deterioration of air quality or to protect visibility, (ii) insuring compliance with the applicable requirements of sections 126 3 and 115 4 (relating to interstate and international pollution abatement).
Delaware’s Plan: Delaware’s SIP presently contains adequate provisions prohibiting sources from emitting air pollutants in amounts which will contribute significantly to non-attainment or interfere with maintenance with any NAAQS, to include the NO2 NAAQS, and to prevent interference with measures related to preventing significant deterioration of air quality or which have to date proved adequate to protect visibility and to address interstate and international pollutant abatement; however, Delaware may make changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation. At present, Delaware’s legal authority is contained in the following:
7 Del.C., §6010(c). Rules and regulations; plans. The Secretary may formulate, amend, adopt and implement, after public hearing, a statewide air resources management plan to achieve the purpose of this chapter and comply with applicable federal laws and regulations. Since 110(a)(2)(D) is in the CAA, and thus a law, Delaware has the legal authority to regulate sources of interstate transport to areas in nonattainment, or in those areas maintaining the NAAQS, if they were previously nonattainment.
110(a)(2)(D)(i)(I): The pollutant NO2 is a subset of the broader pollutant NOx. Delaware has submitted to the EPA prior SIP revisions that demonstrate all NOx emitting sources in Delaware are well controlled. In addition, on January 20, 2012, based on 2008-2010 air quality monitoring data, the U.S. Environmental Protection Agency determined that no area in the country is violating the 2010 NO2 NAAQS. Given that EPA has determined no area of the country is violating the 2010 NO2 NAAQS, Delaware emissions cannot significantly contribute to nonattainment in any area.
All major stationary sources of NO2 are subject to both Prevention of Significant Deterioration (PSD) and the Emission Offset Provisions (EOP) provisions of 7 DE Admin. Code 1125, Preconstruction Review (i.e., both the attainment and the nonattainment area permitting provisions). The requirements of 1125 ensure that no new or modified NO2 emitting source will cause or contribute to non-attainment in any area.
(E) §110(a)(2)(E) Requirement: Provide (i) necessary assurances that the state (or, except where the Administrator deems inappropriate, the general purpose local government or governments, or a regional agency designated by the state or general purpose local governments for such purpose) will have adequate personnel, funding, and authority under state (and, as appropriate, local) law to carry out such implementation plan (and is not prohibited by any provision of federal or state law from carrying out such implementation plan or portion thereof), (ii) requirements that the State comply with the requirements respecting State boards under section 128,5 and (iii) necessary assurances that, where the state has relied on a local or regional government, agency, or instrumentality for the implementation of any plan provision, the state has responsibility for ensuring adequate implementation of such plan provision.
Delaware’s Plan: For §110(a)(2)(E)(i), Delaware has adequate authority under state law pursuant to 7 Del.C. Chapter 60 to carry out its SIP obligations with respect to the 2010 NO2 NAAQS. DNREC does not believe that there is any prohibition in any federal or state law that would prevent it from carrying out its SIP or any portion thereof. Further, DNREC assures EPA that it has, through the State of Delaware General Fund and through the Title V fee program, and will continue to have, funding to carry out its SIP obligations. Further, DNREC believes its funding sources are sufficient to provide adequate personnel for those purposes; however, Delaware may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
At present Delaware fulfills this obligation by virtue of having adequate personnel and funding through the CAA §105 grant process (federal grant funds), the State of Delaware general fund (state tax revenues), and appropriated special funds collected by the State of Delaware from application fees, permit fees, renewal fees, and civil or administrative penalties or fines under 7 Del.C. Chapter 60. The Division of Air Quality is responsible for developing, implementing, and enforcing the SIP. Delaware does not anticipate the need for additional resources beyond those to be appropriated in the above manner to carry out its SIP requirements.
Delaware complies with the requirements of §110(a)(2)(E)(ii) through compliance with the applicable requirements of 29 Del.C., Ch. 58, “Laws Regulating the Conduct of Officers and Employees of the State.” A public hearing on SIP revision detailing how the requirements of 29 Del.C., Ch. 58 satisfy this requirement, and that proposed to submit such requirements to the EPA for inclusion into the Delaware SIP, was held on October 23, 2012. This final document was submitted to the EPA as a SIP revision on January 11, 2013.
(F) §110(a)(2)(F) Requirement: Require, as may be prescribed by the Administrator - (i) the installation, maintenance, and  replacement  of equipment, and the implementation of other necessary steps, by owners or operators of stationary sources to monitor emissions from such sources,  (ii) periodic reports on the nature and amounts of emissions and emissions-related data from such sources, and  (iii) correlation of such reports by the State agency with any  emission limitations or  standards established pursuant to this Act, which reports shall be available at  reasonable times for public inspection.
Delaware’s Plan: Delaware requires that owners or operators of stationary sources monitor and submit periodic reports on the nature and amounts of NOx (which includes NO2) emissions and emissions related-data from the sources. This may include the installation, maintenance and replacement of equipment, where appropriate. This information submitted to DNREC is available to the public at reasonable times for public inspection pursuant to Delaware law. Delaware will continue to require reporting of emissions but may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
Except as specifically exempted by the Delaware Freedom of Information Act, 29 Del.C. Chapter 100, Delaware makes all records, reports or information obtained by the Department or referred to at public hearings available to the public pursuant to the provisions of the Delaware Freedom of Information Act, 29 Del.C. Chapter 100.
(G) §110(a)(2)(G) Requirement: Provide for authority comparable to that in section 303 and adequate contingency plans to implement such authority; 6 
Delaware’s Plan: Delaware has authority comparable to that in section 303 and adequate contingency plans to implement such authority but may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
7 Del.C. § 6003(a)(1) requires a permit from the Secretary prior to discharging any air contaminant.  7 Del.C. §6002(2) defines air contaminant essentially as any substance other than uncombined water.  7 Del.C. §6005 allows the Secretary to seek a preliminary or permanent injunction or temporary restraining order for any discharge of an air contaminant without a permit, and issue cease and desist orders for violations (7 Del.C. §6018). Thus, it necessarily follows that any discharge of an air contaminant, including NO2, that would cause imminent & substantial endangerment to the health, safety and welfare of the people of the State of Delaware or the environment would constitute a sufficient basis for the Secretary to seek an injunction or temporary restraining order to halt the violation.
(H) §110(a)(2)(H) Requirement: Provide for revision of such plan -  (i) from time to time as  may be necessary to take account of revisions  of such national primary  or secondary ambient air quality standard or the availability of improved or more expeditious methods of attaining such standard, and (ii) except as provided  in paragraph (3)(C), whenever the Administrator finds on the basis of information available to the Administrator that the plan is  substantially inadequate to attain the national ambient air quality standard which it implements  or  to  otherwise  comply  with  any  additional requirements established under this Act.
  Delaware’s Plan: Delaware will review and revise its SIP from time to time as  may be necessary to take account of revisions of such primary or secondary NAAQS or the availability of improved or more expeditious methods of attaining such standard and whenever the Administrator finds on the basis of information available to the Administrator that the plan is substantially inadequate to attain the NAAQS which it implements  or  to  otherwise  comply  with  any  additional requirements established under the CAA.
(I) §110(a)(2)(I) Requirement: In  the case  of  a  plan or  plan  revision  for an  area designated  as  a   non-attainment  area,   meet  the   applicable requirements of part D (relating to non-attainment areas).  
Delaware’s Plan: This does not apply because no part of Delaware is designated nonattainment for the 2010 NO2 NAAQS.
(J) §110(a)(2)(J) Requirement: Meet the applicable requirements of section 121 (relating to consultation), section 127 (relating to public notification), and part  C (relating to prevention  of significant deterioration of air quality and visibility protection). 7
Delaware’s Plan: Delaware will meet the applicable requirements of section 121 (relating to consultation), section 127 (relating to public notification), and part C (relating to prevention of significant deterioration of air quality and visibility protection); but may makes changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation. At present, Delaware does so utilizing the following:
7 DE Admin. Code 1132, Transportation Conformity, provides a legal platform for the various consultation procedures that have been developed between DNREC, DELDOT, and the Metropolitan Planning Organizations (MPOs). The MPOs provide a forum for consultation with local governments. Delaware’s MPOs are: WILMAPCO, Kent County MPO, and the Salisbury-Wicomico MPO. Regional planning organizations provide the forum for inter-state consultations. Additionally, consultations with Federal Land Managers are on-going in accordance with EPA Rules. All SIP revisions and new/amended regulations undergo public notice and hearing, pursuant to 7 Del.C. Chapters 29 and 60, which include publication in the newspapers and in the Delaware Register, and which have allowed for comment by the both the public and local political subdivisions. Delaware believes the public notice and hearing processes also fulfills the section 121 consultation process. The submitted attainment plans and regulations in the approved Delaware SIP specify the organizations responsible for implementing and enforcing the plans.
PSD requirements necessary to implement the 2010 NO2 NAAQS are SIP approved and implemented through the requirements of 7 DE Admin. Code 1125, Preconstruction Review.
With regard to visibility protection, there are no new applicable visibility protection obligations under section 110(a)(2)(J) as a result of the 2010 NO2 NAAQS. Delaware is complying with, and will continue to comply with the visibility protection and regional haze program requirements under Part C of the CAA.
(K) §110(a)(2)(K) Requirement: Provide for-  (i)  the performance of  such air quality  modeling as the Administrator may  prescribe for  the purpose of  predicting the  effect on ambient air  quality of any  emissions of any air pollutant for which  the Administrator has established a national ambient air quality standard, and (ii) the submission, upon request, of data related to such air quality modeling to the Administrator.
Delaware’s Plan: Delaware has the authority and technical capability to conduct air quality modeling in order to assess the effect on ambient air quality of relevant pollutant emissions, and will continue to perform modeling as necessary, but may make changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation. Delaware will continue to submit to the EPA the Air Quality modeling data as part of Delaware's relevant SIP submissions, permit actions, and through federal grant commitments or in other ways that EPA may request.
(L) §110(a)(2)(L) Requirement: Require  the owner  or operator  of each  major stationary source to pay  to the permitting authority, as a condition of any permit required under this Act, a fee sufficient to cover -  (i) the reasonable  costs of reviewing and acting upon any application for such a permit, and (ii) if the owner  or operator receives a permit  for such source, the reasonable  costs of implementing  and enforcing the terms and conditions  of any such permit (not  including any court costs or other  costs associated with any enforcement action), until such  fee requirement is  superseded with  respect to  such sources  by the Administrator's approval of a  fee program under Title V.
Delaware’s Plan: In a manner consistent with Delaware law, Delaware will continue to require the owner  or operator  of each  major stationary source to pay  to the permitting authority, as a condition of any permit required under this Act, a fee sufficient to cover (i) the reasonable  costs of reviewing and acting upon any application for such a permit, and (ii) if the owner  or operator receives a permit  for such source, the reasonable  costs of implementing  and enforcing the terms and conditions  of any such permit (not  including any court costs or other  costs associated with any enforcement action), until such  fee requirement is  superseded with  respect to  such sources by the Administrator’s  approval of a  fee program under title V pursuant to Delaware law. Delaware currently fulfills this under the enabling authority of 7 Del.C. §§6095 to 6099 and fee legislation that currently is renewed every three years.  Delaware has a fully approved Title V operating permits program. See paragraphs (b) and (c) under “Delaware” in Appendix A to 40 CFR Part 70—Approval Status of State and Local Operating Permits Programs. Delaware may make changes that it believes in its discretion are appropriate, while continuing to fulfill this obligation.
(M) §110(a)(2)(M) Requirement: Provide for consultation  and  participation by  local political subdivisions affected by the plan.
Delaware’s Plan: Delaware will continue to provide for consultation and participation by local political subdivisions affected by the SIP pursuant to the public notice laws found in 7 Del.C. §6006 and 6010 and 29 Del.C. Chapters 10003, 10004 and 10115, as applicable. Furthermore, all SIP revisions undergo public notice and hearing which have allowed for comment by the public which includes local political subdivisions. The public notice and hearing processes fulfill the requirements for consultation with local political subdivisions affected by the SIP.

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Referred to in this document as “7 Del.C.” followed by the specific section citation (e.g., §6005).

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§126(a) - Each plan shall (1) require each major proposed new or modified source (A) subject to Part C or (D) which may significantly contribute to pollution in excess of the NAAQS in any AQCR outside the State in which such source intends to locate or modify, to provide written notice to all nearby States the pollution levels of which may be affected by such source 60 days prior to the date on which commencement of construction is to be permitted by the State, and (2) identify all major existing stationary sources which may have the impact described in (1) with respect to new or modified sources and provide notice to all nearby States of the identity of such sources. (b) Any State may petition EPA for a finding that any major source or group of stationary sources emits or would emit any pollutant in violation of the prohibition of §110(a)(2)(D)(ii) or this section. (c) Notwithstanding any permit which may have been granted by the State, it shall be a violation of this section and the plan - (1) for any major proposed new or modified source with respect to which a finding has been made under subsection (b) to be constructed or to operate in violation of this section and the prohibition of §110(a)(2)(D)(ii) or this section, or (2) for any major existing source to operate more than 3 months after such finding has been made. EPA may permit the continued operation of a source beyond the expiration of the 3-month period if the source complies with the emission limitations and compliance schedules as may be provided by EPA to bring about compliance with the requirements of §110(a)(2)(D)(ii). Nothing shall be construed to preclude any such source from being eligible for an enforcement order under §113(d) after the expiration of such period during which EPA has permitted continuous operation.

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Sec. 303- Notwithstanding any other provisions of this Act, the Administrator upon receipt of evidence that a pollution source or combination of sources  (including moving sources)  is presenting an  imminent and  substantial  endangerment to  public health  or welfare,  or the  environment, may  bring suit  on behalf  of the United States in the appropriate United States District court to immediately restrain  any person  causing or contributing  to the alleged pollution to stop the emission of air pollutants  causing or contributing to such pollution or to take such other action as may  be  necessary. If  it is  not  practicable to  assure prompt protection  of  public health  or welfare  or the  environment by commencement of such a civil action, the Administrator  may issue such  orders  as may  be necessary  to  protect public  health or welfare or the environment. Prior to taking any action under this section, the Administrator shall consult with appropriate State and local authorities and attempt to confirm the accuracy of the information  on which the action  proposed to be  taken is based. Any order issued by the Administrator under this section shall be effective upon issuance and shall remain in effect for a period of not more than 60 days, unless the Administrator brings an action pursuant to the first sentence of this section before the expiration of that period. Whenever the Administrator brings such an action within the 60-day period, such order shall remain in effect for an additional 14 days or for such longer period as may be authorized by the court in which such action is brought.

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Last Updated: December 31 1969 19:00:00.
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