Laws & Regulations
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NPDES Permit for Taholah Village Wastewater Treatment Plant in Washington
EPA's NPDES wastewater permit for the Taholah Village Wastewater Treatment Plant in Washington.
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Texas SIP: 30 TAC 114.50, Vehicle Emissions Inspection Requirements, SIP effective December 6, 2016 (TXd187), July 14, 2017 (TXd196), and May 8, 2025 (TXd248)
Texas SIP: 30 TAC 114.50-114.53. Vehicle Inspection and Maintenance; SIP effective 2016-12-06 (TXd187) and 2017-07-14 (TXd196)
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Regulatory Determination 2 Support Documents for Dacthal Mono-Acid (MTP) and Di-Acid (TPA) Degradates
Learn about the support documents for Dacthal mono- and di-acid degradates
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Regulatory Determination 2 Support Document for Microorganisms on the CCL 2
Learn about the support document for microorganisms on the CCL 2
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Regulatory Determination 2 Support Documents for Fonofos
Learn about the support documents for Fonofos.
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Regulatory Determination 1 Support Documents for Naphthalene
Naphthalene Support Documents
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Fact Sheet: Preliminary Regulatory Determination 3
Fact sheet for Regulatory Determination 3
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2019
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2019.
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2018
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2018.
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Release Detection for Underground Storage Tanks and Piping: Straight Talk on Tanks
Review easy-to-understand descriptions of several leak detection methods for tanks and piping, as well as explanations of the regulatory requirements for leak detection.
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Estimating Air Emissions from Petroleum UST Cleanups
Learn about estimating air emission rates of volatile organic compounds (VOCs) and benzene at individual underground storage tank (UST) cleanup sites.
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Underground Storage Tank Flood Guide
Review simple guidelines and useful information for state, local, and tribal authorities in the event of a threatened or actual flood.
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Quality Program Virtual Event June 25-27, 2024
This page contains the link to the session recordings from the Quality Program Virtual Training Event held June 25-27, 2024.
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RFC 21003 - Asbestos Test Method
RFC 21003 – Asbestos
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RFC 21004 - N-Methylpyrrolidone (NMP)
RFC 21004 – N-Methylpyrrolidone (NMP
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EPA Response to RFC 21004 N-Methylpyrrolidone (NMP)
This page contains the link to the Environmental Protection Agency's response to RFC 21004 N-Methylpyrrolidone (NMP)
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EPA Response to RFC 21002 concerning Carbon Tetrachloride
This page contains the Environmental Protection Agency Response to Request for Correction #21002
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Agenda for the Delaware River Urban Waters Federal Partnership Regional Meeting April 4, 2014
Agenda overview for the Delaware River Urban Waters Federal Partnership Regional Meeting Academy of Natural Sciences in Philadelphia on April 4, 2014.
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Electrical and Electronic Components Effluent Guidelines Documents
Regulations and support documents for Electrical and Electronic Components Effluent Guidelines and Standards
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Unconventional Oil and Gas Extraction Effluent Guidelines Documents
Support documents for Effluent Guidelines for the Unconventional Oil and Gas Extraction industry; Onshore Subcategory (40 CFR Part 435, Subpart C)