Laws & Regulations
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EPA Approved Regulations in the Swinomish TIP
EPA-approved regulations that have been incorporated by reference into the Swinomish air quality Tribal Implementation Plan (TIP) in Washington.
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Responses to 40 CFR Part 75 Petitions - 2007
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2007.
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2013 SO2 Allowance Auction
Learn the results of EPA's 2013 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2003 SO2 Allowance Auction
Learn the results of EPA's 2003 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2000 SO2 Allowance Auction
Learn the results of EPA's 2000 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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2004 SO2 Allowance Auction
Learn the results of EPA's 2004 Acid Rain Program sulfur dioxide (SO2) allowance auction results.
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Frequent Questions about Program Implementation
Learn about allowances and trading, and learn how EPA uses these allowances to regulate and reduce emissions from the power sector.
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How to Cite This Source
This page will help users cite the information they find on the Acid Rain website.
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Acid Rain Program 2021 Applicability Determinations
View EPA's formal responses to written requests for applicability determinations under 40 CFR 72.6 from 2021.
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Deviations from DWSRF Regulations
Policy Memoranda
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Regional Discharge Monitoring Report - Quality Assurance (DMR-QA) Coordinators
Contact information for regional discharge monitoring report - quality assurance coordinators
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Kinder Morgan CCS Complex
MRV Plan and Decision for Kinder Morgan CCS Complex
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EPA to Hold June 4 Public Hearing on cleanup Plan for Johns Manville Corp Superfund Site in Waukegan, Illinois
The public comment period for the cleanup plan starts today, May 28
EPA News Release: EPA to Hold June 4 Public Hearing on cleanup Plan for Johns Manville Corp Superfund Site in Waukegan, Illinois
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Local Lead Action Plan Strategies for Success
Local Lead Action Plan Case Studies
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Missouri Operating Permit Approval History
Information on permitting in Kansas and EPA's oversight.
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Public Notice: 2019-21 Preparation of Draft NPDES Permit for St. Regis Mohawk Tribe Water Treatment Plant, Akwesasne, New York
This notice is being given to inform the public that the EPA has prepared a draft NPDES permit for this facility.
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Public Notice: 2019-20 Preparation of Draft NPDES Permit for City of Salamanca Wastewater Treatment Plant, New York
This notice is being given to inform the public that the EPA has prepared a draft NPDES permit for this facility.
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Compliance for the Performance-based Measurement System (PBMS)
The process to report for PBMS reporting compliance.
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2015 Revision to 2008 Ozone National Ambient Air Quality Standards (NAAQS) Related Documents
Find tools for background ozone, maps of nonattainment areas, an overview of the proposal, and information on designations, monitoring and permitting requirements and a presentation on the 2015 ozone NAAQS revision.
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Wednesday: EPA Region 4 Administrator and Mississippi Commissioner of Agriculture and Commerce to discuss issues impacting farmers and ag industry
EPA News Release: Wednesday: EPA Region 4 Administrator and Mississippi Commissioner of Agriculture and Commerce to discuss issues impacting farmers and ag industry