Laws & Regulations
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Statement on 2.0-Liter Diesel Vehicles
Volkswagen submits initial proposal for addressing defeat devices in its 2.0 liter diesel vehicles.
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Fuel Economy
Information on fuel economy labeling, history and trends of fuel economy, testing and data, and information on how federal agencies work together on the issue of fuel economy.
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Tribal Minor New Source Review Air Permit for Minor Modification at PotlatchDeltic (St. Maries Complex) on the Coeur d'Alene Reservation
Final tribal minor New Source Review (NSR) air permit issued to PotlatchDeltic Land and Lumber LLC for a minor modification at its wood products facility located in St. Maries, Idaho on the Coeur d'Alene Reservation.
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PSD Air Permit for Major Modification at PotlatchDeltic (St. Maries Complex) on the Coeur d'Alene Reservation
Final Prevention of Significant Deterioration (PSD) air permit issued to PotlatchDeltic Land and Lumber LLC for a major modification at its wood products facility located in St. Maries, Idaho on the Coeur d'Alene Reservation.
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National Security Memoranda and Presidential Directives
Three of these directives directly affect EPA's role in the national emergency response system: HSPD-5 Management of Domestic Incidents; HSPD-7 Critical Infrastructure Identification, Prioritization, and Protection; and HSPD-8 National Preparedness.
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Diesel Exhaust Fluid
EPA takes additional steps to address widespread concerns from truckers, farmers, and other diesel vehicle operators about sudden power loss and engine shutdowns caused by Selective Catalytic Reduction systems that use diesel exhaust fluid.
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Background about Compensatory Mitigation Requirements under CWA Section 404
Updates and background information regarding Clean Water Act Section 404 Compensatory Mitigation Requirements
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Drinking Water Health Advisories (HAs)
Health Advisories (HAs) information on water contaminants' effects on human health, including documents and benchmarks for pesticides.
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Drinking Water Health Advisories for GenX Chemicals and PFBS
Drinking Water Health Advisories for GenX Chemicals and PFBS
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Federal Human Health Criteria for Washington State Waters
On November 14, 2022, EPA signed a rule to restore the protective and science-based federal human health criteria (HHC) for the state of Washington’s waters.
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Withdrawal of the Proposed Rule Tribal Baseline Water Quality Standards
On December 20, 2024, the EPA Administrator signed the withdrawal of the proposed rule entitled “Federal Baseline Water Quality Standards for Indian Reservations,” which published in the Federal Register on May 5, 2023.
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Importing Ozone-Depleting Substances
Provides information on rules for importing ozone-depleting substances.
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49 FR 43615
Federal Register notice of Review and Amendment of Standards of Performance for New Stationary Sources-Secondary Brass and Bronze Production Plants.
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40 FR 48291
Federal Register notice from October 14, 1975 of amendments to NESHAP for Asbestos and Mercury.
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51 FR 150
Federal Register notice: 40 CFR 60; Standards of Performance for New Stationary Sources; Basic Oxygen Process Furnaces; Final Rule.
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Blue Flint Sequester Company, LLC
MRV Plan and Decision for Blue Flint Sequester Company, LLC
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Surface Coating of Wood Building Products National Emission Standards for Hazardous Air Pollutants (NESHAP) Applicability Flowchart
This page contains a January 2005 document that has a flow chart to help you determine if this National Emission Standards for Hazardous Air Pollutants (NESHAP) rule for Surface Coating of Wood Building Products applies to your facility.
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Fact Sheet: Final Rule to Reduce Toxic Air Pollutants from Surface Coating of Wood Building Products
This page contains the February 2003 final rule fact sheet on the NESHAP for Surface Coating of Wood Building Products. This document provides a background for this rule, a summary of the benefits of this rule, who is affected by the rule, and rule costs
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Memorandum: List of ‘Inputs to Equations’ Data Elements Not To Be Reported
Inputs Not to be Reported
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11/29/2013: Memo: Table of Final 2013 Revisions to the Greenhouse Gas Reporting Rule
Fact sheet describing revisions to reporting and recordkeeping requirements and proposed confidentiality determinations under the Greenhouse Gas Reporting Program.