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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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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Addressing Ozone Layer Depletion
Access information on EPA's efforts to address ozone layer depletion through regulations, collaborations with stakeholders, international treaties, partnerships with the private sector, and enforcement actions under Title VI of the Clean Air Act.
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Recent International Developments under the Montreal Protocol
Learn about EPA's efforts to address ozone layer depletion and climate change through proposed amendments to the Montreal Protocol on Substances that Deplete the Ozone Layer.
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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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Minnesota (Part 60) NSPS and (Part 61) NESHAP Delegations
Minnesota has delegation of all existing and future "unchanged" Part 60 New Source Performance Standards (NSPS) and Part 61 National Emission Standards for Hazardous Air Pollutants (NESHAPs) standards.
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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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Newsletter: East Palestine Train Derailment Response, 3-21-2023
East Palestine Newsletter, 1st edition, serving East Palestine, Negley, Darlington and surrounding communities
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Illinois (Part 60) NSPS and (Part 61) NESHAP Delegations
Illinois has delegation of all existing and future "unchanged" Part 60 New Source Performance Standards (NSPS) and Part 61 National Emission Standards for Hazardous Air Pollutants (NESHAPs) standards.
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Michigan (Part 60) NSPS and (Part 61) NESHAP Delegations
Michigan has delegation of all existing and future "unchanged" Part 60 New Source Performance Standards (NSPS) and Part 61 National Emission Standards for Hazardous Air Pollutants (NESHAPs) standards.
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Ban for Nonessential Products Containing Ozone-depleting Substances
Learn about EPA's efforts to address ozone layer depletion by banning the sale and introduction into interstate commerce of certain non-essential products manufactured with or containing ozone-depleting substances.
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Ohio (Part 60) NSPS and (Part 61) NESHAP Delegations
Ohio has delegation of all existing and future "unchanged" Part 60 New Source Performance Standards (NSPS) and Part 61 National Emission Standards for Hazardous Air Pollutants (NESHAPs) standards.
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Wisconsin (Part 60) NSPS and (Part 61) NESHAP Delegations
Wisconsin has delegation of all existing and future "unchanged" Part 60 New Source Performance Standards (NSPS) and Part 61 National Emission Standards for Hazardous Air Pollutants (NESHAPs) standards.
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Frequent Questions About Quality-Assurance Requirements During the COVID-19 National Emergency
Q&A for continuous Emission Monitoring; Quality-Assurance Requirements During the COVID-19 National Emergency (40 CFR § 75.68), interim final rule (IFR)
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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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Updated General Conformity Applicability Questions and Answers
On this page General Conformity Regulation questions and answers.