Laws & Regulations
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Portland Cement Manufacturing Industry: Information Collection Request Data
Final Rule: Portland Cement Risk and Technology NESHAP Review (Pre-Publication notice and fact sheet)
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Proposed Update to NOx SIP Call Regulations
On this page find EPA's proposal to update the NOX SIP Call Regulations with the addition of monitoring flexibility and general streamlining of provisions.
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Implementation of the 2015 National Ambient Air Quality Standards (NAAQS) for Ozone: State Implementation Plan (SIP) Requirements
Learn about the state implementation requirements of the 2015 NAAQS
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Clean Air Act Title II - Emission Standards for Moving Sources, Parts A through C
This page has links to Clean Air Act sections that cover motor vehicle emission, aircraft emission and clean fuel vehicles
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Phase II of the Acid Rain Program
Learn about Phase II of the Acid Rain Program, including the benefits of reducing NOx, emission limits, compliance and deadlines, and opt-in source withdrawal.
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Responses to 40 CFR Part 75 Petitions - 2009
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2009.
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Information Requests Under Clean Air Act Section 114 and Data Received
Information collection request for the oil and natural gas industry
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CSAPR Compliance Year 2017 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2016 compliance year.
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Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b foam
Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b
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Vol. 57 No. 11 Thursday, January 16, 1992 p 1984 (Proposed Rule)
Today's notice presents the Environmental Protection Agency's (EPA, or the Agency) preliminary strategy for implementing section 612 of the Clean Air Act as amended in 1990 (CAA).
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Fact Sheet: Final Rule 26 - Listing of Substitutes under the Significant New Alternatives Policy Program in Commercial and Industrial Refrigeration
Under section 612 of the Clean Air Act, EPA reviews substitutes within a comparative risk framework. EPA lists these substitutes as acceptable, acceptable subject to use conditions, acceptable subject to narrowed use limits, or unacceptable (prohibited) fo
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Clean Air Act Title VI - Stratospheric Ozone Protection
This page has links to Clean Air Act sections relating to protecting the ozone layer through phasing out of class I and II substances and other requirements.
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Clean Air Act Title IV - Subchapter A: Acid Deposition Control
This page has links to Clean Air Act section that covers acid deposition control in subchapter IV-A.
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Clean Air Act Title III - General Provisions
This page has links to Clean Air Act sections relating to general provisions of the act, including policy review, audits and emergency powers.
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Collection and Use of Risk Screen Data - Fire Suppression Sector
A Guide to Completing a Risk Screen: Collection and Use of Risk Screen Data – Fire Suppression Sector
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Subpart J – Ethanol Production
Details GHGRP rulemaking actions affecting Subpart J of the program and provides links to relevant fact sheets, rulemaking documents, and other supporting materials.
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National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines
This page contains the current National Emission Standards for Hazardous Air Pollutants (NESHAP) for Reciprocating Internal Combustion Engines and additional information regarding rule compliance and implementation.
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Proposal: Affordable Clean Energy (ACE) Rule
The proposal has several components: a best system of emission reduction analysis for coal-fired power plants, changes to the trigger for New Source Review, and new implementing regulations for emission guidelines under CAA section 111(d).
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Flexible Polyurethane Foam Production and Fabrication: National Emission Standards for Hazardous Air Pollutants (NESHAP) for Area Sources
This NESHAP applies to facilities using pressure or thermal treatment processes involving wood preservatives containing chromium, arsenic, dioxins, or methylene chloride. Inlcudes federal register citations, rule history and additional resources.