Regulations last checked for updates: Nov 23, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 52.420 - Identification of plan.
Link to an amendment published at 89 FR 87503, Nov. 4, 2024.

(a) Purpose and scope. This section sets forth the applicable State implementation plan for Delaware under section 110 of the Clean Air Act, 42 U.S.C. 7410,and.

(b) Incorporation by reference. (1) Material listed in paragraphs (c) and (d) of this section with an EPA approval date prior to May 25, 2018, was approved for incorporation by reference by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Entries in paragraphs (c) and (d) of this section with the EPA approval dates after May 25, 2018 for the State of Delaware have been approved by EPA for inclusion in the State implementation plan and for incorporation by reference into the plan as it is contained in this section, and will be considered by the Director of the Federal Register for approval in the next update to the SIP compilation.

(2) EPA Region III certifies that the materials provided by EPA at the addresses in paragraph (b)(3) of this section are an exact duplicate of the officially promulgated State rules/regulations which have been approved as part of the State implementation plan as of the dates referenced in paragraph (b)(1) of this section.

(3) Copies of the materials incorporated by reference into the State implementation plan may be inspected at the Environmental Protection Agency, Region III, 1650 Arch Street, Philadelphia, Pennsylvania 19103. To obtain the material, please call the Regional Office at (215) 814-3376. You may also inspect the material with an EPA approval date prior to May 25, 2018 for the State of Delaware at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

(c) EPA approved regulations.

EPA-Approved Regulations and Statutes in the Delaware SIP

State regulation
(7 DNREC 1100)
Title/subject State
effective date
EPA approval date Additional explanation
1101 Definitions and Administrative Principles
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566Revised format for all definitions which EPA has previously approved as part of the SIP.
Section 2.0Definitions9/10/20095/31/2019, 84 FR 25183Updated definition of Volatile Organic Compound. Previous approval 8/11/2010.
Section 2.0Definitions12/11/201612/12/2019, 84 FR 67873Updated definition of volatile organic compound. Previous approval 5/31/2019.
Section 3.0Administrative Principles9/11/20088/11/2010, 75 FR 48566
Section 4.0Abbreviations9/11/20088/11/2010, 75 FR 48566
1102 Permits
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 3.0Application/Registration Prepared by Interested Party9/11/20088/11/2010, 75 FR 48566
Section 4.0Cancellation of Construction Permits9/11/20088/11/2010, 75 FR 48566
Section 5.0Action on Applications9/11/20088/11/2010, 75 FR 48566
Section 6.0Denial, Suspension or Revocation of Operating Permits9/11/20088/11/2010, 75 FR 48566
Section 7.0Transfer of Permit/Registration Prohibited9/11/20088/11/2010, 75 FR 48566
Section 8.0Availability of Permit/Registration9/11/20088/11/2010, 75 FR 48566
Section 9.0Registration Submittal9/11/20088/11/2010, 75 FR 48566
Section 10.0Source Category Permit Application9/11/20088/11/2010, 75 FR 48566
Section 11.0Permit Application9/11/20088/11/2010, 75 FR 48566
Section 12.0Public Participation8/11/20225/16/2024, 89 FR 42812Subsections 12.3.2 and 12.4.2 are amended.
Section 13.0Department Records9/11/20088/11/2010, 75 FR 48566
Appendix A[List of Permits Exemptions]1/11/2006
9/11/2008
12/4/2012, 77 FR 71700Addition of paragraphs 32.0 and 33.0 (formerly gg. and hh. respectively).
1103 Ambient Air Quality Standards
Section 1.0General Provisions1/11/20146/17/2014, 79 FR 34441Revised sections
Section 2.0General Restrictions9/11/20088/11/2010, 75 FR 48566
Section 3.0Suspended Particulates9/11/20088/11/2010, 75 FR 48566
Section 4.0Sulfur Dioxide1/11/20146/17/2014, 79 FR 34441Revised sections
Section 5.0Carbon Monoxide9/11/20088/11/2010, 75 FR 48566
Section 6.0Ozone1/11/20146/17/2014, 79 FR 34441Revised sections
Section 8.0Nitrogen Dioxide1/11/20146/17/2014, 79 FR 34441Revised sections.
Section 10.0Lead1/11/20146/17/2014, 79 FR 34441Revised sections.
Section 11.0PM10 and PM2.5 Particulates1/11/20146/17/2014, 79 FR 34441Revised sections
1104 Particulate Emissions from Fuel Burning Equipment
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Emission Limits9/11/20088/11/2010, 75 FR 48566
1105 Particulate Emissions from Industrial Process Operations
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0General Restrictions9/11/20088/11/2010, 75 FR 48566
Section 3.0Restrictions on Hot Mix Asphalt Batching Operations9/11/20088/11/2010, 75 FR 48566
Section 4.0Restrictions on Secondary Metal Operations9/11/20088/11/2010, 75 FR 48566
Section 5.0Restrictions on Petroleum Refining Operations9/11/20088/11/2010, 75 FR 48566
Section 6.0Restrictions on Prill Tower Operation9/11/20088/11/2010, 75 FR 48566
Section 7.0Control of Potentially Hazardous Particulate Matter9/11/20088/11/2010, 75 FR 48566
1106 Particulate Emissions from Construction and Materials Handling
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Demolition9/11/20088/11/2010, 75 FR 48566
Section 3.0Grading, Land Clearing, Excavation and Use of Non-Paved Roads9/11/20088/11/2010, 75 FR 48566
Section 4.0Material Movement9/11/20088/11/2010, 75 FR 48566
Section 5.0Sandblasting9/11/20088/11/2010, 75 FR 48566
Section 6.0Material Storage9/11/20088/11/2010, 75 FR 48566
1107 Particulate Emissions from Incineration of Noninfectious Waste
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2Restrictions12/8/198310/3/1984, 49 FR 39061Provisions were revised 10/13/1989 by State, but not submitted to EPA as SIP revisions.
1108 Sulfur Dioxide Emissions from Fuel Burning Equipment
Section 1.0General Provisions7/11/20137/11/2022, 87 FR 41074
Section 2.0Limit on Sulfur Content of Fuel7/11/20137/11/2022, 87 FR 41074
Section 3.0Emissions Control in Lieu of Sulfur Content Limits of 2.0 of this Regulation7/11/20137/11/2022, 87 FR 41074
Section 4.0Sampling and Testing Methods and Requirements7/11/20137/11/2022, 87 FR 41074
Section 5.0Recordkeeping and Reporting7/11/20137/11/2022, 87 FR 41074
1109 Emissions of Sulfur Compounds from Industrial Operations
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Restrictions on Sulfuric Acid Manufacturing Operations9/11/20088/11/2010, 75 FR 48566Section 2.2 (State effective date: 9/26/1980) is Federally enforceable as a Section 111(d) plan and codified at 40 CFR 62.1875.
Section 3.0Restriction on Sulfur Recovery Operations9/11/20088/11/2010, 75 FR 48566
Section 4.0Stack Height Requirements9/11/20088/11/2010, 75 FR 48566
1110 Control of Sulfur Dioxide Emissions—Kent and Sussex Counties
Section 1.0Requirements for Existing Sources of Sulfur Dioxide9/11/20088/11/2010, 75 FR 48566
Section 2.0Requirements for New Sources of Sulfur Dioxide9/11/20088/11/2010, 75 FR 48566
1111 Carbon Monoxide Emissions from Industrial Process Operations—New Castle County
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Restrictions on Petroleum Refining Operations9/11/20088/11/2010, 75 FR 48566
1112 Control of Nitrogen Oxides Emissions
Section 1.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Standards9/11/20088/11/2010, 75 FR 48566
Section 4.0Exemptions9/11/20088/11/2010, 75 FR 48566
Section 5.0Alternative and Equivalent RACT Determination9/11/20088/11/2010, 75 FR 48566
Section 6.0RACT Proposals9/11/20088/11/2010, 75 FR 48566
Section 7.0Compliance, Certification, Recordkeeping, and Reporting Requirements9/11/20088/11/2010, 75 FR 48566
1113 Open Burning
Section 1.0Purpose4/11/20079/20/2007 72 FR 53686
Section 2.0Applicability4/11/20079/20/2007 72 FR 53686
Section 3.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 4.0Prohibitions and Related Provisions9/11/20088/11/2010, 75 FR 48566
Section 5.0Season and Time Restrictions9/11/20088/11/2010, 75 FR 48566
Section 6.0Allowable Open Burning9/11/20088/11/2010, 75 FR 48566
Section 7.0Exemptions4/11/20079/20/2007 72 FR 53686
1114 Visible Emissions
Section 1.0General Provisions9/11/20088/2/2019, 84 FR 37772Remove the phrase, “except electric arc furnaces and their associated dust-handling equipment as set forth in 2.2 of this regulation.”
Section 2.0Requirements9/11/20088/2/2019, 84 FR 37772Remove the requirement of 2.2, which reads “2.2 The requirements of 2.1 of this regulation shall not apply to electric arc furnaces, and their associated dust-handling equipment, with a capacity of more than 100 tons which are governed by 7 DE Admin. Code 1123.”
Section 3.0Alternate Opacity Requirements9/11/20088/11/2010, 75 FR 48566
Section 4.0Compliance with Opacity Standards9/11/20088/11/2010, 75 FR 48566
1115 Air Pollution Alert and Emergency Plan
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Stages and Criteria9/11/20088/11/2010, 75 FR 48566
Section 3.0Required Actions9/11/20088/11/2010, 75 FR 48566
Section 4.0Standby Plans9/11/20088/11/2010, 75 FR 48566
1116 Sources Having an Interstate Air Pollution Potential
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Limitations9/11/20088/11/2010, 75 FR 48566
Section 3.0Requirements9/11/20088/11/2010, 75 FR 48566
1117 Source Monitoring, Recordkeeping and Reporting
Section 1.0Definitions and Administrative Principles9/11/20088/11/2010, 75 FR 48566
Section 2.0Sampling and Monitoring9/11/20088/11/2010, 75 FR 48566
Section 3.0Minimum Emission Monitoring Requirements for Existing Sources9/11/20088/2/2019, 84 FR 37772Revise 3.2 so that it reads, “3.2 Fuel Burning Equipment—Fuel burning equipment except as provided in 3.2 through 3.4 of this regulation . . .” And remove 3.5, “Electric arc furnaces—See 7 DE Admin. Code 1123.”
Section 4.0Performance Specifications9/11/20088/11/2010, 75 FR 48566
Section 5.0Minimum Data Requirements9/11/20088/11/2010, 75 FR 48566
Section 6.0Data Reduction9/11/20088/11/2010, 75 FR 48566
Section 7.0Emission Statement9/11/20088/11/2010, 75 FR 48566
1124 Control of Volatile Organic Compound Emissions
Section 1.0General Provisions1/11/20172/14/2023, 88 FR 9399Removing subsection 1.4 from the Delaware SIP. Previous approval August 11, 2010.
Section 2.0Definitions4/11/20109/25/2012, 77 FR 58953Amended to add definitions.
Section 3.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 4.0Compliance Certification, Recordkeeping, and Reporting Requirements for Coating Sources9/11/20088/11/2010, 75 FR 48566
Section 5.0Compliance Certification, Recordkeeping, and Reporting Requirements for Non-Coating Sources9/11/20088/11/2010, 75 FR 48566
Section 6.0General Recordkeeping9/11/20088/11/2010, 75 FR 48566
Section 7.0Circumvention9/11/20088/11/2010, 75 FR 48566
Section 8.0Handling, Storage, and Disposal of Volatile Organic Compounds (VOCs)3/11/20114/13/2012, 77 FR 22224
Section 9.0Compliance, Permits, Enforceability9/11/20088/11/2010, 75 FR 48566
Section 10.0Aerospace Coatings9/11/20088/11/2010, 75 FR 48566
Section 11.0Mobile Equipment Repair and Refinishing10/11/20103/31/2022, 87 FR 18699
Section 12.0Surface Coating of Plastic Parts10/11/20119/25/2012, 77 FR 58953
Section 13.0Automobile and Light-Duty Truck Coating Operations3/11/20114/13/2012, 77 FR 22224
Section 14.0Can Coating9/11/20088/11/2010, 75 FR 48566
Section 15.0Coil Coating9/11/20088/11/2010, 75 FR 48566
Section 16.0Paper Coating3/11/20114/13/2012, 77 FR 22224Amended to add “film and foil coating” to the regulated category.
Section 17.0Fabric Coating9/11/20088/11/2010, 75 FR 48566
Section 18.0Vinyl Coating9/11/20088/11/2010, 75 FR 48566
Section 19.0Coating of Metal Furniture10/11/20119/25/2012, 77 FR 58953
Section 20.0Coating of Large Appliances10/11/20119/25/2012, 77 FR 58953
Section 21.0Coating of Magnet Wire9/11/20088/11/2010, 75 FR 48566
Section 22.0Coating of Miscellaneous Metal Parts10/11/20119/25/2012, 77 FR 58953
Section 23.0Coating of Flat Wood Panelling3/11/20114/13/2012, 77 FR 22224
Section 24.0Bulk Gasoline Plants9/11/20088/11/2010, 75 FR 48566
Section 25.0Bulk Gasoline Terminals9/11/20088/11/2010, 75 FR 48566
Section 26.0Gasoline Dispensing Facility Stage I Vapor Recovery4/11/20216/10/2022, 87 FR 35423Includes revisions issued on August 17, 2015 via 19 DE Reg. 199 (state effective date September 11, 2015), revisions issued on June 11, 2020 via 24 DE Reg. 61 (state effective date July 11, 2020), and revisions issued on March 11, 2021 via 24 DE Reg. 944 (state effective date April 11, 2021).
Includes mandate to install, maintain, and periodically test Stage I enhanced vapor recovery systems (EVRS) at Gasoline Dispensing Facilities (GDFs) in Delaware; associated compliance schedules; and updates related incorporations by reference.
Section 27.0Gasoline Tank Trucks9/11/20088/11/2010, 75 FR 48566
Section 28.0Petroleum Refinery Sources9/11/20088/11/2010, 75 FR 48566
Section 29.0Leaks from Petroleum Refinery Equipment9/11/20088/11/2010, 75 FR 48566
Section 30.0Petroleum Liquid Storage in External Floating Roof Tanks9/11/20088/11/2010, 75 FR 48566
Section 31.0Petroleum Liquid Storage in Fixed Roof Tanks9/11/20088/11/2010, 75 FR 48566
Section 32.0Leaks from Natural Gas/Gasoline Processing Equipment9/11/20088/11/2010, 75 FR 48566
Section 33.0Solvent Metal Cleaning and Drying8/11/202110/4/2022, 87 FR 60102
Section 34.0Cutback and Emulsified Asphalt9/11/20088/11/2010, 75 FR 48566
Section 35.0Manufacture of Synthesized Pharmaceutical Products9/11/20088/11/2010, 75 FR 48566
Section 36.0Vapor Emission Control at Gasoline Dispensing Facilities4/11/20216/10/2022, 87 FR 35423Includes revisions issued on August 17, 2015 via 19 DE Reg. 199 (state effective date September 11, 2015), revisions issued on June 11, 2020 via 24 DE Reg. 61 (state effective date July 11, 2020), and revisions issued on March 11, 2021 via 24 DE Reg. 944 (state effective date April 11, 2021).
Includes mandate to decommission Stage II vapor recovery systems (VRS) at Gasoline Dispensing Facilities (GDFs) in Delaware; associated compliance schedules; and updates related incorporations by reference.
Section 37.0Graphic Arts Systems3/11/20114/13/2012 77 FR 22224Amended to add “flexible packaging printing” to the regulated category.
Section 38.0Petroleum Solvent Dry Cleaners9/11/20088/11/2010, 75 FR 48566
Section 40.0Leaks from Synthetic Organic Chemical, Polymer, and Resin Manufacturing Equipment9/11/20088/11/2010, 75 FR 48566
Section 41.0Manufacture of High-Density Polyethylene, Polypropylene and Polystyrene Resins9/11/20088/11/2010, 75 FR 48566
Section 42.0Air Oxidation Processes in the Synthetic Organic Chemical Manufacturing Industry9/11/20088/11/2010, 75 FR 48566
Section 43.0Bulk Gasoline Marine Tank Vessel Loading Facilities9/11/20088/11/2010, 75 FR 48566
Section 44.0Batch Processing Operations9/11/20088/11/2010, 75 FR 48566
Section 45.0Industrial Cleaning Solvents3/11/20114/13/2012, 77 FR 22224
Section 46.0Crude Oil Lightering Operations9/11/20088/11/2010, 75 FR 48566
Section 47.0Offset Lithographic Printing and Letterpress Printing4/11/201111/25/2011, 76 FR 72626Amendments to Sections 47.1 through 47.6 to include control requirements for letterpress printing.
Section 48.0Reactor Processes and Distillation Operations in the Synthetic Organic Chemical Manufacturing Industry9/11/20088/11/2010, 75 FR 48566
Section 49.0Control of Volatile Organic Compound Emissions from Volatile Organic Liquid Storage Vessels9/11/20088/11/2010, 75 FR 48566
Section 50.0Other Facilities that Emit Volatile Organic Compounds (VOCs)9/11/20088/11/2010, 75 FR 48566The SIP effective date for former Sections 50(a)(5) and 50(b)(3) is 5/1/98.
Appendix ATest Methods and Compliance Procedures: General Provisions9/11/20088/11/2010, 75 FR 48566
Appendix BTest Methods and Compliance Procedures: Determining the Volatile Organic Compound (VOC) Content of Coatings and Inks9/11/20088/11/2010, 75 FR 48566
Appendix CTest Methods and Compliance Procedures: Alternative Compliance Methods for Surface Coating9/11/20088/11/2010, 75 FR 48566
Appendix DTest Methods and Compliance Procedures: Emission Capture and Destruction or Removal Efficiency and Monitoring Requirements9/11/20088/11/2010, 75 FR 48566
Appendix ETest Methods and Compliance Procedures: Determining the Destruction or Removal Efficiency of a Control Device9/11/20088/11/2010, 75 FR 48566
Appendix FTest Methods and Compliance Procedures: Leak Detection Methods for Volatile Organic Compounds (VOCs)9/11/20088/11/2010, 75 FR 48566
Appendix GPerformance Specifications for Continuous Emissions Monitoring of Total Hydrocarbons9/11/20088/11/2010, 75 FR 48566
Appendix HQuality Control Procedures for Continuous Emission Monitoring Systems (CEMS)9/11/20088/11/2010, 75 FR 48566
Appendix IMethod to Determine Length of Rolling Period for Liquid/Liquid Material Balance9/11/20088/11/2010, 75 FR 48566
Appendix KEmission Estimation Methodologies9/11/20088/11/2010, 75 FR 48566
Appendix LMethod to Determine Total Organic Carbon for Offset Lithographic Solutions9/11/20088/11/2010, 75 FR 48566
Appendix MTest Method for Determining the Performance of Alternative Cleaning Fluids9/11/20088/11/2010, 75 FR 48566
1125 Requirements for Preconstruction Review
Section 1.0General Provisions8/11/20122/28/2013, 78 FR 13496Added definitions of “GHG” and “Subject to Regulation” under Section 1.9. Note: In section 1.9, the previous SIP-approved baseline dates for sulfur dioxide, particulate matter, and nitrogen dioxide in the definition of “Baseline Date” remain part of the SIP.
Section 2.0Emission Offset Provisions (EOP) including sections 1.0 through 3.16.42/11/1210/2/12, 77 FR 60053Added Section 2.2.5, 2.4.3.3 and 2.5.7.
Sections 2.5.5 and 2.5.69/11/201310/20/2016, 81 FR 72529Disapproval. See 40 CFR 52.433(a).
Section 3.0Prevention of Significant Deterioration of Air Quality1/11/20205/1/2020, 85 FR 25307Docket #: 2019-0663. Revised 3.10.1 and 3.10.2. Note: Previous Section 3.0 approval October 2, 2012.
1126 Motor Vehicle Emissions Inspection Program
Section 1.0Applicability and General Provisions9/11/20088/11/2010, 75 FR 48566Regulation 1126 provisions apply to Sussex County only, effective November 1, 1999.
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Registration Requirement9/11/20088/11/2010, 75 FR 48566
Section 4.0Exemptions9/11/20088/11/2010, 75 FR 48566
Section 5.0Enforcement9/11/20088/11/2010, 75 FR 48566
Section 6.0Compliance, Waivers, Extensions of Time9/11/20088/11/2010, 75 FR 48566
Section 7.0Inspection Facility Requirements9/11/20088/11/2010, 75 FR 48566
Section 8.0Certification of Motor Vehicle Officers9/11/20088/11/2010, 75 FR 48566
Section 9.0Calibration and Test Procedures and Approved Equipment9/11/20088/11/2010, 75 FR 48566
Technical Memorandum 1Delaware Division of Motor Vehicles Vehicle Exhaust Emissions Test9/11/20088/11/2010, 75 FR 48566
Technical Memorandum 2(Motor Vehicle Inspection and Maintenance Program Emission Limit Determination)9/11/20088/11/2010, 75 FR 48566
1127 Stack Heights
Section 1.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions Specific to this Regulation9/11/20088/11/2010, 75 FR 48566
Section 3.0Requirements for Existing and New Sources9/11/20088/11/2010, 75 FR 48566
Section 4.0Public Notification9/11/20088/11/2010, 75 FR 48566
Regulation No. 31 Low Enhanced Inspection and Maintenance Program
Section 1Applicability10/11/200111/27/2003, 68 FR 66343
Section 2Low Enhanced I/M Performance Standard10/11/20011/27/2003, 68 FR 66343
Section 3Network Type and Program Evaluation10/11/200111/27/2003, 68 FR 66343
Section 4Test Frequency and Convenience6/11/19999/30/1999, 64 FR 52657
Section 5Vehicle Coverage10/11/20011/27/2003, 68 FR 66343
Section 6Test Procedures and Standards10/11/200111/27/2003, 68 FR 66343
Section 7Waivers and Compliance via Diagnostic Inspection10/11/200111/27/2003, 68 FR 66343
Section 8Motorist Compliance Enforcement10/11/200111/27/2003, 68 FR 66343
Section 9Enforcement Against Operators and Motor Vehicle Technicians10/11/200111/27/2003, 68 FR 66343
Section 10Improving Repair Effectiveness8/13/19989/30/1999, 64 FR 52657
Section 11Compliance with Recall Notices8/13/19989/30/1999, 64 FR 52657
Section 12On-Road Testing8/13/19989/30/1999, 64 FR 52657
Section 13Implementation Deadlines10/11/200111/27/2003, 68 FR 66343
Appendix 1(d)Commitment to Extend the I/M Program to the Attainment Date From Secretary Tulou to EPA Administrator W. Michael McCabe8/13/19989/30/1999, 64 FR 52657
Appendix 3(a)(7)Exhaust Emission Limits According to Model Year8/13/19989/30/1999, 64 FR 52657
Appendix 3(c)(2)VMASTM Test Procedure6/11/19999/30/1999, 64 FR 52657
Appendix 4(a)Sections from Delaware Criminal and Traffic Law Manual8/13/19989/30/1999, 64 FR 52657
Appendix 5(a)Division of Motor Vehicles Policy on Out of State Renewals8/13/19989/30/1999, 64 FR 52657
Appendix 5(f)New Model Year Clean Screen10/11/200111/27/2003, 68 FR 66343
Appendix 6(a)Idle Test Procedure10/11/20011/27/2003, 68 FR 66343
Appendix 6(a)(5)Vehicle Emission Repair Report Form8/13/19989/30/1999, 64 FR 52657
Appendix 6(a)(8)Evaporative System Integrity (Pressure) Test10/11/200111/27/2003, 68 FR 66343
Appendix 6(a)(9)On-board Diagnostic Test Procedure OBD II Test Procedure10/11/200111/27/2003, 68 FR 66343
Appendix 7(a)Emission Repair Technician Certification Process8/13/19989/30/1999, 64 FR 52657
Appendix 8(a)Registration Denial System Requirements Definition8/13/19989/30/1999, 64 FR 52657
Appendix 9(a)Enforcement Against Operators and Inspectors10/11/200111/27/2003, 68 FR 66343
1132 Transportation Conformity
Introductory Paragraph[No Title]9/11/20088/11/2010, 75 FR 48566Replaces the Prologue.
Section 1.0Purpose11/11/20074/22/2008, 73 FR 21538
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Consultation9/11/20088/11/2010, 75 FR 48566
Section 4.0Written Commitments For Control and Mitigation Measures9/11/20088/11/2010, 75 FR 48566
1135 Conformity of General Federal Actions to the State Implementation Plans
Section 1.0Purpose9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 4.0Conformity Analysis9/11/20088/11/2010, 75 FR 48566
Section 5.0Reporting Requirements9/11/20088/11/2010, 75 FR 48566
Section 6.0Public Participation and Consultation9/11/20088/11/2010, 75 FR 48566
Section 7.0Frequency of Conformity Determinations9/11/20088/11/2010, 75 FR 48566
Section 8.0Criteria for Determining Conformity of General Federal Actions9/11/20088/11/2010, 75 FR 48566
Section 9.0Procedures for Conformity Determinations of General Federal Actions9/11/20088/11/2010, 75 FR 48566
Section 10.0Mitigation of Air Quality Impacts9/11/20088/11/2010, 75 FR 48566
Section 11.0Savings Provision9/11/20088/11/2010, 75 FR 48566
Regulation No. 37 NOX Budget Program
Section 1General Provisions12/11/19993/9/2000, 65 FR 12481
Section 2Applicability12/11/19993/9/2000, 65 FR 12481
Section 3Definitions12/11/993/9/00 65 FR 12481
Section 4Allowance Allocation12/11/19993/9/2000, 65 FR 12481
Section 5Permits12/11/19993/9/2000, 65 FR 12481
Section 6Establishment of Compliance Accounts12/11/19993/9/2000, 65 FR 12481
Section 7Establishment of General Accounts12/11/19993/9/2000, 65 FR 12481
Section 8Opt In Provisions12/11/19993/9/2000, 65 FR 12481
Section 9New Budget Source Provisions12/11/19993/9/2000, 65 FR 12481
Section 10NOX Allowance Tracking System (NATS)12/11/19993/9/2000, 65 FR 12481
Section 11Allowance Transfer12/11/19993/9/2000, 65 FR 12481
Section 12Allowance Banking12/11/19993/9/2000, 65 FR 12481
Section 13Emission Monitoring12/11/19993/9/2000, 65 FR 12481
Section 14Recordkeeping12/11/19993/9/2000, 65 FR 12481
Section 15Emissions Reporting12/11/19993/9/2000, 65 FR 12481
Section 16End-of Season Reconciliation12/11/19993/9/2000, 65 FR 12481
Section 17Compliance Certification12/11/19993/9/2000, 65 FR 12481
Section 18Failure to Meet Compliance Requirements12/11/19993/9/2000, 65 FR 12481
Section 19Program Audit12/11/19993/9/2000, 65 FR 12481
Section 20Program Fees12/11/19993/9/2000, 65 FR 12481
Appendix “A”NOX Budget Program12/11/19993/9/2000, 65 FR 12481
1139 Nitrogen Oxides (NOX) Budget Trading Program
Section 1.0Purpose9/11/20088/11/2010, 75 FR 48566
Section 2.0Emission Limitation9/11/20088/11/2010, 75 FR 48566
Section 3.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 4.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 5.0General Provisions9/11/20088/11/2010, 75 FR 48566
Section 6.0NOX Authorized Account Representative for NOX Budget Sources9/11/20088/11/2010, 75 FR 48566
Section 7.0Permits9/11/20088/11/2010, 75 FR 48566
Section 8.0Monitoring and Reporting9/11/20088/11/2010, 75 FR 48566
Section 9.0NATS9/11/20088/11/2010, 75 FR 48566
Section 10.0NOX Allowance Transfers9/11/20088/11/2010, 75 FR 48566
Section 11.0Compliance Certification9/11/20088/11/2010, 75 FR 48566
Section 12.0End-of-Season Reconciliation9/11/20088/11/2010, 75 FR 48566
Section 13.0Failure to Meet Compliance Requirements9/11/20088/11/2010, 75 FR 48566
Section 14.0Individual Unit Opt-Ins9/11/20088/11/2010, 75 FR 48566
Section 15.0General Accounts9/11/20088/11/2010, 75 FR 48566
Appendix AAllowance Allocations to NOX Budget Units under 3.1.1.1 and 3.1.1.2 of 7 DE Admin Code 11399/11/20088/11/2010, 75 FR 48566
Appendix B7 DE Admin Code 1137-7 DE Admin Code 1139 Program Transition9/11/20088/11/2010, 75 FR 48566
1140 Delaware Low Emission Vehicle Program
Section 1.0Purpose12/11/201310/14/2015, 80 FR 61752
Section 2.0Applicability12/11/201310/14/2015, 80 FR 61752
Section 3.0Definitions12/11/201310/14/2015, 80 FR 61752
Section 4.0Emission Certification Standards12/11/201310/14/2015, 80 FR 61752
Section 5.0New Vehicle Emission Requirements12/11/201310/14/2015, 80 FR 61752
Section 6.0Manufacturer Fleet Requirements12/11/201310/14/2015, 80 FR 61752
Section 7.0Warranty12/11/201310/14/2015, 80 FR 61752
Section 8.0Reporting and Record-Keeping Requirements12/11/201310/14/2015, 80 FR 61752
Section 9.0Enforcement12/11/1310/14/15, 80 FR 61752
Section 10.0Incorporation by Reference12/11/201310/14/2015, 80 FR 61752
Section 11.0Document Availability12/11/201310/14/2015, 80 FR 61752
Section 12.0Severability12/11/201310/14/2015, 80 FR 61752
1141 Limiting Emissions of Volatile Organic Compounds from Consumer and Commercial Products
Section 1.0Architectural and Industrial Maintenance Coatings9/11/20088/11/2010, 75 FR 48566
Section 2.0Consumer Products4/11/200910/20/2010, 75 FR 64673
Section 3.0Portable Fuel Containers4/11/201012/14/2010, 75 FR 77758
Section 4.0Adhesives & Sealants4/11/200912/22/2011, 76 FR 79537Addition of VOC limits for adhesive and sealant products, including 25 adhesives, 4 adhesive primers, 5 sealants, and 3 sealant primers.
1142 Specific Emission Control Requirements
Section 1.0Control of NOX Emissions from Industrial Boilers1/11/20172/14/2023, 88 FR 9399Making small, non-substantive style changes. Previous approval August 11, 2010.
Section 2.0Control of NOX Emissions from Industrial Boilers and Process Heaters at Petroleum Refineries1/11/20172/14/2023, 88 FR 9399Removing subsection 2.3.1.6 from the Delaware SIP and making small, non-substantive style changes. Previous approval May 15, 2012.
1144 Control of Stationary Generator Emissions
Section 1.0General9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Emissions9/11/20088/11/2010, 75 FR 48566
Section 4.0Operating Requirements1/11/20064/29/2008, 73 FR 23101
Section 5.0Fuel Requirements1/11/20064/29/2008, 73 FR 23101
Section 6.0Record Keeping and Reporting1/11/20064/29/2008, 73 FR 23101
Section 7.0Emissions Certification, Compliance, and Enforcement9/11/20088/11/2010, 75 FR 48566
Section 8.0Credit for Concurrent Emissions Reductions9/11/20088/11/2010, 75 FR 48566
Section 9.0DVFA Member Companies1/11/20064/29/2008 73 FR 23101
Regulation 1145 Excessive Idling of Heavy Duty Vehicles
Section 1.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 2.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 3.0Severability9/11/20088/11/2010, 75 FR 48566
Section 4.0Operational Requirements for Heavy Duty Motor Vehicles9/11/20088/11/2010, 75 FR 48566
Section 5.0Exemptions9/11/20088/11/2010, 75 FR 48566
Section 6.0Enforcement and Penalty9/11/20088/11/2010, 75 FR 48566
1146 Electric Generating Unit (EGU) Multi-Pollutant Regulation
Section 1.0Preamble9/11/20088/11/2010, 75 FR 48566Except for provisions pertaining to mercury emissions.
Section 2.0Applicability12/11/20068/28/2008, 73 FR 50723Except for provisions pertaining to mercury emissions.
Section 3.0Definitions9/11/20088/11/2010, 75 FR 48566Except for provisions pertaining to mercury emissions.
Section 4.0NOX Emissions Limitations9/11/20088/11/2010, 75 FR 48566
Section 5.0SO2 Emissions Limitations9/11/20088/11/2010, 75 FR 48566
Section 7.0Recordkeeping and Reporting9/11/20088/11/2010, 75 FR 48566Except for provisions pertaining to mercury emissions.
Section 8.0Compliance Plan9/11/20088/11/2010, 75 FR 48566Except for provisions pertaining to mercury emissions.
Section 9.0Penalties9/11/20088/11/2010, 75 FR 48566Except for provisions pertaining to mercury emissions.
Table 4-1 (Formerly Table I)Annual NOX Mass Emissions Limits9/11/20088/11/2010, 75 FR 48566
Table 5-1 (Formerly Table II)Annual SO2 Mass Emissions Limits9/11/2008
10/19/2009
3/16/2010 75 FR 12449Modified emissions limit for Conectiv Edge Moor Unit 5.
1148 Control of Stationary Combustion Turbine Electric Generating Unit Emissions
Section 1.0Purpose7/11/200711/10/2008 73 FR 66554
Section 2.0Applicability9/11/20088/11/2010, 75 FR 48566
Section 3.0Definitions9/11/20088/11/2010, 75 FR 48566
Section 4.0NOX Emissions Limitations9/11/20088/11/2010, 75 FR 48566
Section 5.0Monitoring and Reporting9/11/20088/11/2010, 75 FR 48566
Section 6.0Recordkeeping7/11/200711/10/2008 73 FR 66554
Section 7.0Penalties9/11/20088/11/2010, 75 FR 48566
Chapter 58 Laws Regulating the Conduct of Officers and Employees of the State
Subpart I State Employees', Officers' and Officials' Code of Conduct
Section 5804Definitions12/4/20124/17/2013, 78 FR 22785
Section 5805Prohibitions relating to conflicts of interest12/4/20124/17/2013, 78 FR 22785Paragraphs (a), (b), (c), (f), (g), (h).
Section 5806Code of conduct12/4/20124/17/2013, 78 FR 22785Paragraphs (c) and (d).
Subpart II Financial disclosure
Section 5812Definitions12/4/20124/17/2013, 78 FR 22785
Section 5813Report disclosing financial information12/4/20124/17/2013, 78 FR 22785Paragraphs (a), (b), (c) and (d).
Section 5813AReport disclosing council and board membership12/4/20124/17/2013, 78 FR 22785Paragraphs (a), and (b).
Section 5815Violations; penalties; jurisdiction of Superior Court12/4/20124/17/2013, 78 FR 22785Paragraphs (a), (b), (c) and (d).

(d) EPA-approved State source-specific requirements.

EPA-Approved Delaware Source-Specific Requirements

Name of source Permit number State effective date EPA approval date Additional explanation
Getty Oil Co75-A-48/5/19753/7/1979, 44 FR 12423§ 52.420(c)(11).
Phoenix Steel Co.—Electric Arc Furnaces Charging & Tapping #277-A-812/2/19777/30/1979, 44 FR 25223§ 52.420(c)(12).
Delmarva Power & Light—Indian River89-A-7/APC 89/1972/15/19891/22/1990, 55 FR 2067§ 52.420(c)(38).
CitisteelSecretary's Order No. 2000-A-00337/11/20006/14/2001, 66 FR 32231Electric Arc Furnace—Approved NOX RACT Determination
Delaware City Refinery CompanySecretary's Order No. 2014-A-00147/18/201412/8/2017, 82 FR 57849(1) Fluid-coking unit (FCU) (2) fluid-catalytic-cracking unit (FCCU)—Approved Nitrogen Oxide Reasonably Available Control Technology Determinations.
Calpine Mid-Atlantic Generation, LLC—Christiana Energy CenterAQM-003/00317 (Renewal 5)12/19/2023October 22, 2024, 89 FR 84288Approved via Docket EPA-R03-OAR-2023-0301, as an element of Delaware's August 8, 2022, Regional Haze Plan from 2018-2028 and March 7, 2024, supplement.
Calpine Mid-Atlantic Generation, LLC—Delaware City Energy CenterAQM-003/00005 (Renewal 5)12/19/2023October 22, 2024, 89 FR 84288Approved via Docket EPA-R03-OAR-2023-0301, as an element of Delaware's August 8, 2022, Regional Haze Plan from 2018-2028 and March 7, 2024, supplement.
Calpine Mid-Atlantic Generation, LLC—West Energy CenterAQM-003/00006 (Renewal 5)12/19/2023October 22, 2024, 89 FR 84288Approved via Docket EPA-R03-OAR-2023-0301, as an element of Delaware's August 8, 2022, Regional Haze Plan from 2018-2028 and March 7, 2024, supplement.

(e) EPA-approved non-regulatory and quasi-regulatory material.

Name of non-regulatory SIP revision Applicable geographic area State submittal date EPA approval date Additional
explanation
Commitment to adopt a clean fuel fleet programPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area2/26/19939/29/1993, 58 FR 5084652.422(b).
1990 Base Year Emissions InventoryPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area5/27/19941/24/1996, 61 FR 183852.423, VOC, CO, NOX.
15% Rate of Progress PlanPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area2/17/199510/12/1999, 64 FR 5513952.426(a).
Post-1996 Rate of Progress Plan & contingency measuresPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area12/29/1997, 6/17/1999, 2/3/2000, 12/20/200010/29/2001, 66 FR 5459852.426(b).
Ozone Attainment Plan Demonstration & enforceable commitmentsPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area5/22/1998, 10/8/1998, 1/24/2000, 12/20/2000, 10/9/2001, 10/29/200110/29/2001, 66 FR 5459852.426(c).
9/2/200312/5/2003, 68 FR 67948
Mobile budgetsKent & New Castle Counties1/5/1998 (rec'd); 5/28/1998 (rec'd); 2/3/2000, 12/20/200010/29/2001, 66 FR 5459852.426(d), (e).
9/2/200312/5/2003, 68 FR 67948
Photochemical Assessment Monitoring Stations (PAMS) ProgramPhiladelphia-Wilmington-Trenton Ozone Nonattainment Area3/24/19949/11/1995, 60 FR 4708152.430.
Small Business stationary source technical and environmental compliance assistance programStatewide5/16/19955/17/1994, 59 FR 2577152.460.
Commitment to establish an ambient air quality monitoring networkStatewide3/19/19805/15/1981, 46 FR 2676752.465(c)(15).
Commitment to use available grants and funds to provide for basic transportation needsNew Castle County8/15/19799/30/1981, 46 FR 4777752.465(c)(19).
Executive order pertaining to financial disclosures by State officials [CAA Section 128]Statewide8/7/19789/29/1981, 46 FR 4754452.465(c)(22).
Lead (Pb) SIPStatewide12/23/19809/10/1981, 46 FR 4516052.465(c)(24).
Procedures to notify EPA of PSD sources locating within 100 km of a Class I PSD areaStatewide2/27/19813/15/1982, 47 FR 1101452.465(c)(29).
RACT under the 8-Hour NAAQSDelaware (Statewide)10/2/20067/23/2008, 73 FR 42681
Reasonable Further Progress Plan (RFP), Reasonably Available Control Measures, and Contingency MeasuresDelaware portion of the Philadelphia 1997 8-hour ozone moderate nonattainment area6/13/20074/8/2010, 75 FR 17863
2002 Base Year Inventory for VOC, NOX, and CODelaware portion of the Philadelphia 1997 8-hour ozone moderate nonattainment area6/13/20074/8/2010, 75 FR 17863
2008 RFP Transportation Conformity BudgetsDelaware portion of the Philadelphia 1997 8-hour ozone moderate nonattainment area6/13/20074/8/2010, 75 FR 17863
Regional Haze PlanStatewide9/25/20087/19/2011, 76 FR 42549
Section 110(a)(2) Infrastructure Requirements for the 1997 8-Hour Ozone NAAQSStatewide12/13/2007
9/19/2008
9/16/2009
8/4/2011, 76 FR 47068This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M) or portions thereof.
Statewide12/13/2007
9/19/2008
9/16/2009
4/1/2010
11/6/2012, 77 FR 66543This action addresses the following CAA elements: 110(a)(2)(D)(i)(II) or portions thereof.
Section 110(a)(2) Infrastructure Requirements for the 1997 PM2.5 NAAQSStatewide12/13/2007
3/12/2008
9/16/2009
3/10/2010
8/4/2011, 76 FR 47068This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M) or portions thereof.
Statewide12/13/2007
3/12/2008
9/16/2009
3/14/2012
11/6/2012, 77 FR 66543This action addresses the following CAA elements: 110(a)(2)(D)(i)(II) or portions thereof.
Section 110(a)(2) Infrastructure Requirements for the 2006 PM2.5 NAAQSStatewide9/16/2009
3/10/2010
8/4/2011, 76 FR 47068This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M), or portions thereof.
Statewide9/16/2009
3/14/12
11/6/2012, 77 FR 66543This action addresses the following CAA elements: 110(a)(2)(D)(i)(II) or portions thereof.
Infrastructure element 110(a)(2)(D)(i)(I) related to interstate transportStatewide9/16/2009; 4/27/20118/29/2011, 76 FR 53638
Section 110(a)(2) Infrastructure Requirements for the 2012 PM2.5 NAAQSStatewide12/14/20159/22/2017, 82 FR 44318This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
Section 110(a)(2) Infrastructure Requirements for the 2012 PM2.5 NAAQSStatewide12/14/20157/12/2018, 83 FR 32209Docket 2017-0152. This action addresses the infrastructure element of CAA section 110(a)(2)(D)(i)(I).
Section 110(a)(2) Infrastructure Requirements for the 2008 Lead NAAQSStatewide10/17/20119/10/2012, 77 FR 55420This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M) or portions thereof.
Statewide10/17/2011
3/14/2012
11/6/2012, 77 FR 66543This action addresses the following CAA elements: 110(a)(2)(C), (D)(i)(II), and (J) or portions thereof.
Attainment Demonstration for the 1997 8-Hour Ozone National Ambient Air Quality Standard and its Associated Motor Vehicle Emissions BudgetsDelaware-Philadelphia-Wilmington-Atlantic City Moderate Nonattainment Area06/13/200710/05/2012, 77 FR 60914
2002 Base Year Emissions Inventory for the 1997 annual fine particulate matter (PM2.5) standardDelaware-Philadelphia-Wilmington, Pennsylvania-New Jersey-Delaware nonattainment area4/3/20083/4/2013, 78 FR 1402052.423(c)
CAA sections 128 and 110(a)(2)(E)(ii) requirements in relation to State Boards for all criteria pollutantsStatewide1/11/20134/17/2013, 78 FR 22785
Section 110(a)(2) Infrastructure Requirements for the 2010 NO2 NAAQSStatewide3/27/201310/25/2013, 78 FR 63877This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M).
1997 Annual PM2.5 Attainment Plan for Delaware and the Motor Vehicle Emission Budgets for 2009 and 2012Delaware—Philadelphia-Wilmington, Pennsylvania-New Jersey-Delaware Nonattainment Area4/3/2008
4/25/2012
12/17/2013, 78 FR 76209See § 52.427(c).
Statewide5/29/20131/22/2014, 79 FR 3506Docket #: 2013-0492. This action addresses the following CAA elements of section 110(a)(2): A, B, C, D(i)(II), D(ii), E, F, G, H, J, K, L, and M.
Section 110(a)(2) Infrastructure Requirements for the 2010 SO2 NAAQSStatewide5/29/20132/6/2019, 84 FR 2060Docket #: 2013-0492. This action addresses CAA section 110(a)(2)(D)(i)(I) (prongs 1 and 2)
Section 110(a)(2) Infrastructure Requirements for the 2008 Ozone NAAQSStatewide3/27/20134/3/2014, 79 FR 18644This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
Section 110(a)(2) Infrastructure Requirements for the 2008 Ozone NAAQSStatewide3/27/20133/23/2018, 83 FR 12669This action addresses CAA element 110(a)(2)(D)(i)(I).
Regional Haze Five-Year Progress ReportStatewide9/24/20135/5/2014, 79 FR 25506
Maintenance plan contained in “Delaware Redesignation Request and Maintenance Plan Under the 1997 Annual PM2.5 National Ambient Air Quality Standard For the New Castle County Portion of the Philadelphia-Wilmington, PA-NJ-DE Nonattainment Area for Fine Particles,” dated November 27, 2012New Castle County12/12/20128/5/2014, 79 FR 45350See § 52.427(d).
Maintenance plan contained in “Delaware Redesignation Request and Maintenance Plan Under the 2006 Daily PM2.5 National Ambient Air Quality Standard For the New Castle County Portion of the Philadelphia-Wilmington, PA-NJ-DE Nonattainment Area for Fine Particles,” dated November 27, 2012New Castle County12/12/20128/5/2014, 79 FR 45350See § 52.427(e).
2011 Base Year Inventories for the 2008 8-Hour Ozone National Ambient Air Quality StandardNew Castle and Sussex Counties4/23/201510/1/2015, 80 FR 59052§ 52.423(e).
Reasonably Available Control Technology under 2008 8-hour ozone National Ambient Air Quality StandardStatewide5/4/201512/8/2017, 82 FR 57849
Emissions Statements Rule Certification for the 2008 Ozone NAAQSDelaware's portions of the Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 2008 ozone NAAQS nonattainment area (i.e. New Castle County) and the Seaford 2008 ozone NAAQS nonattainment area (i.e. Sussex County)6/29/20187/5/2019, 84 FR 32068Certification that Delaware's SIP-approved regulations under 7 DE Administrative Code 1117 Section 7.0 Emission Statement meet the emissions statements requirements of CAA section 182(a)(3)(B) for the 2008 ozone NAAQS.
Negative Declaration for the 2016 Oil and Gas Control Technology GuidelinesStatewide6/28/20187/9/2019, 84 FR 32624
2008 8-Hour Ozone Certification for Nonattainment New Source Review (NNSR)Delaware portion of the Philadelphia-Wilmington-Atlantic City, nonattainment area and the Seaford, Delaware nonattainment area6/29/20188/12/2019, 84 FR 39758
Section 110(a)(2) Infrastructure Requirements for the 2015 Ozone NAAQSStatewide10/11/20185/1/2020, 85 FR 25307Docket #: 2019-0663. This action addresses CAA section 110(a)(2)(A), (B), (C), (D), (E), (F), (G), (H), (J), (K), (L), and (M).
2015 8-Hour Ozone Certification for Nonattainment New Source Review (NNSR)Delaware portion of the Philadelphia-Wilmington-Atlantic City nonattainment area (which includes New Castle County)8/3/20205/13/2021, 86 FR 26179
Emissions Statement Certification for the 2015 Ozone National Ambient Air Quality StandardDelaware's portion of the Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 2015 ozone NAAQS nonattainment area (i.e., New Castle County)8/3/20201/19/2022, 87 FR 2723Certification that Delaware's SIP-approved regulations under 7 DE Administrative Code 1117 Section 7.0 meet the emissions statements requirements of CAA Section 182(a)(3)(B) for the 2008 ozone NAAQS.
Philadelphia Area Base Year Inventory for the 2015 Ozone National Ambient Air Quality StandardsDelaware's portion of the Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 2015 ozone NAAQS nonattainment area (i.e., New Castle County)10/9/20203/25/2022, 87 FR 17011Delaware's portion of the Philadelphia Area consists of New Castle County.
Regional Haze Plan from 2018-2028State-wide8/8/2022October 22, 2024, 89 FR 84288
[63 FR 67410, Dec. 7, 1998] Editorial Note:For Federal Register citations affecting § 52.420, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.
authority: 42 U.S.C. 7401
cite as: 40 CFR 52.420