Laws & Regulations
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Habitat Restoration
Habitat Restoration information
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Program Resources
Water Quality in the Basin
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History and Background
History and background of the Lake Pontchartrain Basin Restoration Program
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DBP Precursor Form 3 - Additional Alternative Compliance Criteria for Conventional Filtration Treatment Plants Practicing Softening
Reporting form for water operations compliance.
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No FEAR Act Data
Pursuant to the No Fear Act, a federal agency must post on its public Web site summary statistical data pertaining to complaints of employment discrimination filed by employees, former employees and applicants for employment under 29 CFR part 1614
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Assessing and Managing Chemicals under TSCA
This "umbrella" site provides information on EPA's assessment and management of existing industrial chemicals under the Toxic Substances Control Act (TSCA)
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Steam Electric Power Generating Effluent Guidelines - 2015 Final Rule
Summary of final 2015 rule for Effluent Guidelines and Standards for the Steam Electric Power Generating Category (40 CFR Part 423); and supporting documentation
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Laboratory Analysis of Flue Gas Desulfurization Wastewater
General information for analysis of flue gas desulfurization wastewater, discharged from steam electric power plants
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Cooling Water Intakes - Final 2014 Rule for Existing Electric Generating Plants and Factories
Rule Summary and Support Documents.
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2017 Methods Update Rule - Frequent Questions
Questions and answers about Clean Water Act Methods 608.3, 624.1 and 625.1, which were published in 2017.
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2020 Steam Electric Reconsideration Rule Documents
Support documents for the 2020 final rule for Steam Electric Power Generating Effluent Guidelines (40 CFR Part 423)
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Glass Manufacturing Effluent Guidelines Documents
Support documents for Glass Manufacturing Effluent Guidelines (40 CFR Part 426)
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Fertilizer Manufacturing Effluent Guidelines Documents
Documents related to Fertilizer Manufacturing Effluent Guidelines (40 CFR Part 418)
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Independent Audit of the EPA’s Fiscal Years 2023 and 2022 Toxic Substances Control Act Service Fee Fund Financial Statements and Independent Audit of the EPA’s Fiscal Years 2024 and 2023 Toxic Substances Control Act Service Fee Fund Financial Statements
Independent Audit of the EPA’s Fiscal Years 2023 and 2022 Toxic Substances Control Act Service Fee Fund Financial Statements and Independent Audit of the EPA’s Fiscal Years 2024 and 2023 Toxic Substances Control Act Service Fee Fund Financial Statements
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National Remedy Review Board Process Changes
Read the 2020 document summarizing changes made to the National Remedy Review Board's (NRRB) process as part of Superfund Task Force efforts..
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Contaminated Sediments Technical Advisory Group Process Changes
Learn about changes made to the Contaminated Sediments Technical Advisory Group (CSTAG) process as part of Superfund Task Force (SFTF) efforts.
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Superfund Groundwater Introduction
Key EPA groundwater guidance and selected other reports on groundwater used frequently by Superfund Remedial Project Managers.
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Superfund Remedy Decisions
Access links for EPA Office of Superfund Remediation and Technology Innovation (OSRTI) guidance and other related documents regarding the Superfund decision making process.
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Superfund National Risk-Based Priority Panel
The Superfund National Risk-Based Priority Panel are national program experts who evaluate the risk at NPL sites with respect to human health and the environment.
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Arkansas EPA SIP Approved Air Quality Regulations SIP effective February 25, 2026
Current EPA-Approved Regulations in the Arkansas SIP