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Air Permitting
National Summary
Air emissions permits are divided into two distinct categories: construction permits and operating permits. The applicability of various permitting programs within each category is dependent on the type and quantity of the pollutants emitted, the attainment status of the area where the source is located, and the date the source was constructed or modified. The quantity of emissions from a source will determine whether the source can be classified as a major source or if changes at the source can be classified as a major modification. Major sources must comply with federal construction and operating permit programs, most of which are administered at the state or local level.
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Notices 40 CFR 49 and 51 - Review of New Sources and Modifications in Indian Country: Notice of Action Partially Granting Petition for Reconsideration and Denying Request for Administrative Stay 01/10/2013National
Proposed Regulations 40 CFR 52 - Air Plan Approval; Georgia: Permit Exemption for Fire Fighting Equipment 02/01/2019National
Final Regulations 40 CFR 52 - Air Plan Approval; Illinois; Permit-by-Rule Provisions 10/10/2018National
Final Regulations 40 CFR 52 - Air Plan Approval; Michigan; Michigan Minor New Source Review 03/11/2019National
Final Regulations 40 CFR 52 - Air Plan Approval; NC; Permitting Revisions 05/23/2019National
Proposed Regulations 40 CFR 52 - Air Plan Approval; New Mexico; Albuquerque/Bernalillo County; Minor New Source Review (NSR) Preconstruction Permitting Program Revisions 04/24/2019National
Final Regulations 40 CFR 52 - Air Plan Approval; North Carolina; Revision To Permit Term for Non-Title V Air Quality Permits 07/03/2019National
Proposed Regulations 40 CFR 52 - Air Plan Approval; Ohio; Ohio Permit Rules Revisions 10/25/2018National
Proposed Regulations 40 CFR 52 - Air Plan Approval; Texas; Revisions to Public Notice for Air Quality Permit Applications 05/06/2019National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans, Indiana 03/15/2013National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans, Texas; Extension of Public Comment Period 03/12/2014National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans; Colorado 09/06/2013National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans; Texas 10/25/2013National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans; Texas 01/06/2014National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans; Texas 01/06/2014National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans; Texas 01/06/2014National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans; Texas 01/06/2014National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans - Utah; Permit: New and Modified Sources 06/12/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Colorado; Construction Permit Program Fee Increases; Construction Permit Regulation of PM-2.5; Regulation 3 02/13/2014National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Ohio 02/20/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Utah; Revisions to UAC Rule 401--Permit: New and Modified Sources 05/13/2014National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Utah; Revisions to Utah Administrative Code--Permit: New and Modified Sources 02/06/2014National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Wisconsin; Permit Exemption Rule 05/15/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Wisconsin; Permit Exemption Rule 08/01/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Arkansas; Revisions to Minor New Source Review Program 06/29/2018National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Texas 04/01/2014National
Final Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Texas 04/01/2014National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Texas; Control of Air Pollution by Permits for New Construction or Modification; Permits for Specific Designated Facilities 11/21/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Texas; Control of Air Pollution by Permits for New Construction or Modification; Permits for Specific Designated Facilities 11/21/2013National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Texas; Revisions for Permitting of Particulate Matter With Diameters Less Than or Equal to 2.5 Micrometers (PM2.5) 02/14/2014National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Implementation Plans; Utah; Revisions to Utah Rule R307-107; General Requirements; Breakdowns 05/09/2013National
Final Regulations 40 CFR 52 - Determination To Defer Sanctions; Arizona Department of Environmental Quality; PM2.5 01/10/2018National
Proposed Regulations 40 CFR 52 - Revision of Air Quality Implementation Plan; California; Sacramento Metropolitan Air Quality Management District; Stationary Source Permits 02/14/2013National
Final Regulations 40 CFR 52 - Revision of Air Quality Implementation Plan; California; Sacramento Metropolitan Air Quality Management District; Stationary Source Permits 08/29/2013National
Final Regulations 40 CFR 52 and 70 - Air Plan Approval; Missouri; Revision to Emission Data, Emission Fees and Process Information Rule 08/22/2019National
Proposed Regulations 40 CFR 52 and 70 - Approval of Air Quality Improvement Plan, Operating Permits Program, and 112(l) Plan; Missouri; Operating Permits 06/26/2019National
Final Regulations 40 CFR 70 - Approval of Operating Permits Program; Kansas; Reporting Emission Data, Emission Fees and Process Information 02/27/2019National
Questions & Answers Air Emission Calculation Question - We are a manufacturer of aluminum automobile parts... 09/02/2004National
Guidance Documents Air Emissions Inventory Reporting Requirements  National
Regulatory Analysis Air Emissions Permits  National