Laws & Regulations
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Technical Data and Reports on Sulfur Dioxide (SO2) Measurements and SIP Status
EPA collects data from the states and regions on their air quality and state implementation plan (SIP) progress. This information is compiled in a database, and used to create reports, trend charts, and maps.
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Technical Data and Reports on Nitrogen Dioxide Measurements and SIP Status
EPA collects data from the states and regions on their air quality and state implementation plan (SIP) progress. This information is compiled in a database, and used to create reports, trend charts, and maps.
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Compliance Reporting for Nonroad Compression-Ignition (NRCI) Engines
Steps for compliance reporting with EPA for nonroad heavy equipment.
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Compliance Reporting for Locomotives
Steps for compliance reporting with EPA for locomotives.
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SBAR Panel: National Emission Standards for Hazardous Air Pollutants (NESHAP): Ethylene Oxide (EtO) Commercial Sterilization and Fumigation Operations
SBAR panel on National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Commercial Sterilization and Fumigation Operations
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Compliance Reporting for Aircraft
Steps for compliance reporting with EPA for aircraft.
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Compliance Reporting for All-Terrain Vehicles (ATVs) and Dirt Bikes
Steps for compliance reporting with EPA for ATVs.
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Certification for Snowmobiles
Steps for certifying snowmobiles with EPA.
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Proposal to Clarify Authority to Address Releases of Hazardous Waste at Treatment, Storage, and Disposal Facilities
Proposal to Clarify Authority to Address Releases of Hazardous Waste at Treatment, Storage, and Disposal Facilities
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Certification for All-Terrain Vehicles (ATVs) and Dirt Bikes
Steps for certifying ATVs with EPA.
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CSAPR Compliance Year 2018 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2016 compliance year.
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Memos and Notices Regarding Interstate Air Pollution Transport
Find links to memos and notices related to Interstate Air Pollution Transport
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CSAPR Compliance Year 2023 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2023 compliance year.
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Revised Cross-State Air Pollution Rule Update
Learn about the the final Revised Cross-State Air Pollution Rule (CSAPR) Update for the 2008 Ozone NAAQS which addresses interstate air pollution transport in 23 eastern states under the Clean Air Act.
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Good Neighbor Plan for 2015 Ozone NAAQS
Learn about the Good Neighbor Plan for the 2015 Ozone NAAQS, which addresses interstate air pollution transport under the Clean Air Act.
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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.