Laws & Regulations
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August 2025 Decisions on Petitions for RFS Small Refinery Exemptions
EPA announces its decisions on 175 petitions from 38 small refineries seeking small refinery exemptions from the RFS program for the 2016–2024 compliance years.
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Partial Waiver of 2024 Cellulosic Biofuel Volume Requirement – Final Rulemaking
EPA announces a final rule to partially waive the 2024 cellulosic biofuel volume requirement using its “cellulosic waiver authority” and revise the associated percentage standard under the Renewable Fuel Standard program.
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Determining an Estuary's Economic Values for the Indian River Lagoon National Estuary Program
This document summarizes the importance of placing economic values on estuaries.
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Testimony PDF documents for the 115th Congress -1st & 2nd Session
This page will hold testimony statements for year 2017 First session of the 115th Congress
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Justification and Special Notice
Justification and Special Notice
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Informational Webinar on the Expedited Modeling of Burn Events Results (EMBER)
Brief description and meeting information for EMBER tool webinar.
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Diesel Fuels Hydraulic Fracturing (DFHF)
This webpage provides information on how hydraulic fracturing is regulated by the Underground Injection Control Program. It includes information about what owners and operators need to do to be in compliance and guidance for EPA Class II permit writers.
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Guidelines for Completing Class I Injection Well No Migration Petitions
This document provides information on the general requirements for modeling strategies for UIC no migration petitions submitted to EPA Region 6.
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Motor Vehicle Waste Disposal Wells
This page provides information on how motor vehicle waste disposal wells are defined and regulated. Compliance information is also provided.
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Graymont Rexton Facility (MI) LLC
US/Canada AQA Notification Table
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Fact Sheet for Title V Emergency Provision Rulemaking - Proposal
Removal of Title V Emergency Affirmative Defense Provisions from State Operating Permit Programs and Federal Operating Permit Program
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2016 Petition Requesting the Administrator Object to Title V Permit for Duke Energy Progress Asheville
This document is part of the Title V Petition Database.
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Stone Quarrying, Crushing and Screening Facilities General Air Quality Permit Coverage for Camas Gravel Company Portable Plant at Hasselstrom Pit on the Nez Perce Reservation
EPA's approval of coverage under the SQCS general permit for Camas Gravel Company Portable Plant at Hasselstrom Pit, Winchester, Idaho on the Nez Perce Reservation
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Ozone (O3) Air Quality Standards - Documents from Review Completed in 2020 (including documents related to reconsideration)
The Clean Air Act requires EPA to set national ambient air quality standards (NAAQS) for six pollutants considered harmful to public health and the environment
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Response to Comments for the Revised Definition of Waters of the US Rulemaking
Description of the response to comments compendiums supporting the final “Revised Definition of ‘Waters of the United States’” rule.
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U.S.-Canada Joint Inland Pollution Contingency Plan Regional Annexes
Regional Annexes that are part of the US-Canada Joint Inland Contingency Plan
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Key Principles of Superfund Remedy Selection
Access guidance on the primary considerations of remedy selection which are universally applicable at Superfund sites. Key guidance here include: Rules of Thumb for Superfund Remedy Selection and Role of the Baseline Risk Assessment.
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Technical Guide for Assessing and Mitigating the Vapor Intrusion Pathway from Subsurface Vapor Sources to Indoor Air
This document is intended for use at any site being evaluated by EPA pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
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TMDLs at Work: Fremont Lake #20
The documents detail the Fremont Lake #20 TMDL at work.