Laws & Regulations
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Certification for Nonroad (NR) Spark-Ignition (SI) Engines
Steps for certifying small nonroad equipment and tools with EPA.
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NATTS Network Assessment Reports
This page contains links to access NATTS site reports from EPA’s NATTS Network Assessments.
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Third NATTS Network Assessment (completed 2021)
This page contains NATTS site reports from EPA’s Third NATTS Network Assessment (completed in 2021), which covers air toxics measurements and operations from 2003-2018.
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CPRG Implementation Grants: Tribes and Territories Competition Selections
This page provides an overview of the Tribes and territories competition selections for EPA's Climate Pollution Reduction Grants (CPRG) program, which is part of the Inflation Reduction Act.
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Dewatering and Remediation General Permit (DRGP)
Documents, links & contacts for the Notice of Availability of the NPDES General Permit for Dewatering and Remediation Activity Discharges – the DRGP (Draft 2022 DRGP) in MA and NH, federal facilities in VT, and Indian country lands in CT & RI.
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CPRG Implementation Grants: General Competition Selections
This page provides an overview of the general competition selections for EPA's Climate Pollution Reduction Grants (CPRG) program, which is part of the Inflation Reduction Act.
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Superfund Chemical Data Matrix Query
Easily query the Superfund Chemical Data Matrix and generate a list of the corresponding Hazard Ranking System factor values, benchmarks, and data elements.
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Nonferrous Metals Forming and Metal Powders Effluent Guidelines
Overview and documents for Nonferrous Metals Manufacturing Effluent Guidelines, 40 CFR Part 471.
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Airport Deicing Effluent Guidelines
Summary of Airport Deicing Effluent Guideline regulations; description of airports subject to the regulation; support documents
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Acute Toxicity WET Methods
Whole effluent toxicity (WET) methods for acute toxicity to freshwater and marine organisms.
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Chronic Toxicity - Marine and Estuarine WET Methods
Whole effluent toxicity (WET) methods for testing chronic toxicity in marine and estuarine organisms after exposure to wastewater.
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Timber Products Processing Effluent Guidelines Documents for 1981 Rule
Federal Register notices and supporting document for 1981 amendment to Timber Products Processing Effluent Guidelines (40 CFR Part 429)
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2003 Small MS4 General Permit Archives for Massachusetts & New Hampshire
Collection of NOIs, Maps, Public Notices, and Annual Reports for regulated MS4s in Massachusetts and New Hampshire
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Pulp, Paper and Paperboard Effluent Guidelines
Overview and documents Pulp, Paper and Paperboard Effluent Guidelines and Standards.(40 CFR Part 430)
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DJR Operating LLC Oil and Gas FIP on Jicarilla Apache Tribal Lands
FIP True Minor Source in Indian Country in the Oil and Gas Sector
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Tribal NSR Permits in EPA's South Central Region
Air permitting in EPA's South Central region, Region 6; serving Arkansas, Louisiana, New Mexico, Oklahoma, Texas and 66 Tribes
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Stationary Refrigeration Refrigerant Reclamation Requirements
Provides information on the regulatory requirements for refrigerant reclamation, and reclaimer certification.
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DOJ Press Release: Togo Illegal Alien Sentenced for Role in Money Laundering Conspiracy
Press Release: Togo Illegal Alien Sentenced for Role in Money Laundering Conspiracy
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Response to Petitions for Reconsideration or Revision of EPA’s 2024 Revisions and Confidentiality Determinations for Petroleum and Natural Gas System
Responses to Petitions for Reconsideration or Revision of EPA’S 2024 Revisions and Confidentiality Determinations for Petroleum and Natural Gas System
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Notification of Consultation and Coordination for the Tribal Allotment of the WIIN Act Grants
Notification of Consultation and Coordination for the Tribal Allotment of the WIIN Act Grants