Laws & Regulations
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Managing Hazardous Waste at Academic Laboratories Rulemaking
Description and revision history of Subpart K of the Resource Conservation and Recovery Act (RCRA)
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Frequent Questions About Hazardous Waste Permitting
Frequent questions on hazardous waste permitting.
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Compensatory Mitigation Evaluations and Reports under CWA Section 404
Updates and background information regarding Clean Water Act Section 404 Compensatory Mitigation Evaluations
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What is a Jurisdictional Delineation under CWA Section 404?
Information on how to do a wetlands delineation
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Hannahville Indian Community Wastewater Treatment Plant NPDES Permit MI-0057366-4
public notice documents for npdes permit in menominee county, NPDES Permit MI-0057366-4
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Delegation Documents for State of Texas
Texas Rules 23 and 24 Approved (SIP Approval)
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National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 63 in Texas
National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 63 in Texas
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Other Rules in Texas.
Other Rules in Texas
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New Source Performance Standards (NSPS 60) in Texas
New Source Performance Standards (NSPS) Part 60 in Texas
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Contacts by Industry Group
Contacts by Industry Group.
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National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 61 in Texas
National Emission Standards for Hazardous Air Pollutants (NESHAP) Part 61 in Texas
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New Source Performance Standards (NSPS) 60 for Oklahoma
New Source Performance Standards (NSPS) 60 for Oklahoma
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National Emission Standards for Hazardous Air Pollutants (NESHAP) 61 for Oklahoma
National Emission Standards for Hazardous Air Pollutants (NESHAP) 61 in Oklahoma
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Plantwide Applicability Limitation (PAL) Withdrawal Fact Sheet: Limetree Bay Terminals and Limetree Bay Refining
Limetree Bay Terminals and Limetree Bay Refining Plantwide Applicability Limitation (PAL) Withdrawal Fact Sheet
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Delegation Documents for State of Oklahoma
Initial Delegation of NSPS and/or NESHAP to Oklahoma.
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New Source Performance Standards (NSPS) Part 60 in Louisiana
New Source Performance Standards (NSPS) Part 60 in Louisiana
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Municipal Separate Storm Sewer System (MS4) Storm Water Management Program (SWMP)
Municipal Separate Storm Sewer Systems (MS4s) Documents.
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UIC-09-2024-0064: Grove Farm Company, Incorporated, Lihue, Kauai, HI; Proposed Settlement of Safe Drinking Water Act Administrative Penalty
Consent Agreement and Proposed Final Order between EPA Region 9 and Grove Farm Company, Incorporated, to resolve a civil administrative proceeding under Sections 1423(c)(3)(B) of the Safe Drinking Water Act (SDWA). Docket No. UIC-09-2024-0064.
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EPA Proposes Approving North Carolina’s Plan to Remove Vehicle Emissions Testing Requirement in 19 Counties
On May 8, 2026, the U.S. Environmental Protection Agency (EPA) proposed to approve North Carolina’s request to remove its vehicle inspection and maintenance (I/M) program—commonly known as emissions testing—from the State Implementation Plan (SIP)