United States
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Approved CWA Radiochemical Test Methods
Approved radiochemical test method publications for drinking water, wastewater and ambient water (40 CFR Part 136)
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Nonferrous Metals Manufacturing Effluent Guidelines Documents for 1974-1976 Rules
Federal Register notices for the 1974-76 initial rulemakings for the Nonferrous Metals Manufacturing Effluent Guidelines (40 CFR Part 421)
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Metal Finishing Effluent Guidelines - Regulations and Support Documents
Federal Register notices and support documents for Metal Finishing Effluent Guidelines and Standards
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Electroplating Effluent Guidelines - Regulations and Support Documents
Federal Register notices and support documents for Electroplating Effluent Guidelines and Standards
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Pulp, Paper and Paperboard Effluent Guidelines - Documents Related to 1998 Rule
Support documents for 1998 "Cluster Rule" amending the Pulp, Paper and Paperboard Effluent Guidelines and Standards (40 CFR Part 430)
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Pulp, Paper and Paperboard Effluent Guidelines - Documents Related to 1974 through 1986 Rules
Support documents for Pulp, Paper and Paperboard Effluent Guidelines: 1974, 1977, 1982 and 1986 rules.
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Metal Products and Machinery Effluent Guidelines Documents
Support documents for Metal Products and Machinery Effluent Guidelines (40 CFR Part 438)
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Organic Chemicals Effluent Guidelines Documents
Federal Register notices and documents supporting the OCPSF rules
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Emission Reduction Banking Manual
This document is part of the NSR Policy and Guidance Database
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Enterprise Data Catalog
The Environmental Dataset Gateway homepage.
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Vertedero Municipal de Toa Alta
El Municipio de Toa Alta ha acordado un segundo acuerdo judicial con la Agencia de Protección Ambiental de los Estados Unidos (EPA, por sus siglas en inglés), y el Departamento de Justicia de los Estados Unidos (DOJ, por sus siglas en inglés) para abordar
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Approved CWA Test Methods: Inorganic Non‑Metals
Analytical methods promulgated under Clean Water Act Section 304(h), published at 40 CFR Part 136
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Support Documents for the Phase I Cooling Water Intake Rules (2001-2003)
Documents supporting the final Phase I rule for cooling water intakes.
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Learn about Effluent Guidelines
Key terms and concepts in the national Effluent Guidelines program
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Ore Mining and Dressing Effluent Guidelines
Overview and documents for Ore Mining and Dressing Effluent Guidelines and Standards (40 CFR Part 440)
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Federal Register, 1986, Part III, EPA, Emissions Trading Policy Statement
This document is part of the NSR Policy and Guidance Database
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Water Reuse Case Study: Collier County, Florida
This water reuse case study highlights how a facility treated wastewater onsite and recycled it for toilet flushing.
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Guidance on Significant Impact Levels for Ozone and Fine Particles in the Prevention of Significant Deterioration Permitting Program
This document is part of the NSR Policy and Guidance Database
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NSR and PSD Policy and Guidance Index
This document is part of the NSR Policy and Guidance Database
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FITS: Funding Integration Tool for Source Water
The Funding Integration Tool for Source Waters (FITS) is a one-stop-shop tool that explains how users can integrate various federal funding sources to protect sources of drinking water.