United States
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Contact Us About Effluent Guidelines
List of EPA staff contacts for Effluent Guidelines program, and contact form.
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National Service Center for Environmental Publications
NSCEP is EPA's repository of digital and print EPA publications. You can search and retrieve, download, print and/or order EPA technical, scientific, or educational materials - free of charge.
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Cooling Water Intakes
Industries use large volumes of water for cooling. The water intakes pull large numbers of fish and other organisms into the cooling systems. EPA issues regulations on intake structures in order to minimize adverse environmental impacts.
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Clean Water Act Analytical Methods
The EPA publishes laboratory analytical methods (test procedures) that are used by industries and municipalities to analyze the chemical, physical and biological components of wastewater and other environmental samples required by the Clean Water Act.
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Cyanide Clarification of Free and Total Cyanide Analysis for Safe Drinking Water Act Compliance
Code of Federal Regulations entries associated with monitoring for cyanide under the Safe Drinking Water Act (SDWA).
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2019 Petition Requesting the Administrator Object to Title V Permit for Riverview Energy
This document is part of the title V petition database.
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2019 Petition Requesting the Administrator Object to Title V Permit for LaSalle Bioenergy
This document is part of the title V petition database.
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2017 Petition Requesting the Administrator Object to Title V Permit for Phillips 66 Borger Refinery
This document is part of the Title V Petition Database.
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EPA-FIFA 26 Partnership
Learn about EPA partnership with FIFA for the 2026 World Cup.
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Deviations from DWSRF Regulations
Policy Memoranda
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National Coastal Condition Report II (2005)
Download a PDF of the National Coastal Condition Report II 2005
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2019 Order Denying a Petition for Object to Title V Operating Permit for Newark Bay
This document is part of the title V petition database.
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Project to Increase 777 Airplane Production at Boeing Everett
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.
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Guidance on Plantwide Applicability Limitation Provisions Under the New Source Review Regulations
This document is part of the NSR Policy and Guidance Database
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Guidance for PM2.5 Permit Modeling
This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database. Some documents in
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Columbian Chemicals Proposed Boiler Project
This document is part of the NSR Policy and Guidance Database
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2020 Order Denying in a Petition for Object to Title V Operating Permit for Northampton
This document is part of the title V petition database.
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2017 Petition Requesting the Administrator Object to Title V Permit for Linn Fairfield and Ethyl
This document is part of the Title V Petition Database.
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2017 Petition Requesting the Administrator Object to Title V Permit for Wheelabrator Frackville
This document is part of the Title V Petition Database.
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2016 Petition Requesting the Administrator Object to Title V Permit for Flint Hills Resoures - Corpus Christi East Refinery
This document is part of the Title V Petition Database.