Laws & Regulations
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Petroleum Refineries (Catalytic Cracking, Catalytic Reforming and Sulfur Recovery Units): National Emission Standards for Hazardous Air Pollutants (NESHAP)
learn more about the NESHAP for catalytic cracking and reforming units, as well as sulfur recovery units in petroleum refineries by reading the rule history, rule summary, background information documents, and compliance information
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Regulatory Information By Business Sector
Find environmental regulatory, compliance, & enforcement information for various business, industry and government sectors, listed by NAICS code. Sectors include agriculture, automotive, petroleum manufacturing, oil & gas extraction & other manufacturing.
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Miscellaneous Coating Manufacturing: National Emission Standards for Hazardous Air Pollutants (NESHAP)
The national emission standards for hazardous air pollutants for miscellaneous coating manufacturing. Includes summary, rule history, compliance and implementation information, federal registry citations.
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Pre-IRA 2022 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Analysis of the Proposed Supplemental Interstate Transport Rule
IPM analyses of the Proposed Supplemental Interstate Transport Rule
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Magnetic Tape Manufacturing Industry: New Source Performance Standards (NSPS)
Learn about the New Source Performance Standards (NSPS) for the magnetic tape industry. Read the rule summary and history, find supporting documents and related rules.
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Responses to 40 CFR Part 75 Petitions - 2002
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2002.
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Responses to 40 CFR Part 75 Petitions - 2012
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2012.
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Responses to 40 CFR Part 75 Petitions - 2008
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2008.
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Analysis of the Final Federal Good Neighbor Plan Addressing Regional Ozone Transport for the 2015 Ozone National Ambient Air Quality Standard
IPM analyses of the Good Neighbor Plan for 2015 Ozone NAAQS.
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EPA's Power Sector Modeling Platform v6 using IPM Summer 2021 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Programs & Progress
Learn about the progress made through EPA's Clean Air Markets Programs and find links to progress reports, emissions trends, and additional resources.
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Addition of 1-BP (nPB) to the Clean Air Act List of Hazardous Air Pollutants
Fact sheet and pre-publication version of the notice to grant petitions to add n-propyl bromide to the list of hazardous air pollutants
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1997 Ozone National Ambient Air Quality Standards (NAAQS) Nonattainment Actions
Read about the relevant nonattainment actions pertaining to the implementation of the 1997 Ozone NAAQS. Find the text of the rules, fact sheets, docket folders, and supporting documents.
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1997 Ozone National Ambient Air Quality Standards (NAAQS) Infrastructure Actions
Read about the EPA's infrastructure actions for the 1997 Ozone NAAQS. These actions are regarding states' failure to submit SIPs addressing various parts of the standards. Here you can read the federal register notices, fact sheets, and the docket folder.
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2008 Ozone National Ambient Air Quality Standards (NAAQS) Infrastructure Actions
Read about the EPA's infrastructure actions for the 2008 Ozone NAAQS. These actions are regarding states' failure to submit SIPs addressing various parts of the standards. Here you can read the federal register notices, fact sheets, and the docket folder.
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Group I Polymers and Resins: National Emission Standards for Hazardous Air Pollutants (NESHAP)
Learn about the NESHAP regulation for Group I polymers and resins. Find the link to the Code of Federal Regulations, the federal register citations, fact sheets, related rules and the rule summary.
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2015 Ozone National Ambient Air Quality Standards Nonattainment Actions
Actions relating to areas initially designated nonattainment for the 2015 ozone NAAQS.
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Government Partnerships to Reduce Air Pollution
The Clean Air Act calls for state, local, federal and tribal governments to implement the Act in partnership to reduce pollution. Roles vary depending on the nature of the air pollution problem.
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OAR Regulatory Reform
The U.S. EPA's Office of Air and Radiation is hosting a public teleconference to solicit input on specific air and radiation actions that should be considered for “repeal, replacement, or modification” to reduce regulatory burden consistent with EO 13777.