Laws & Regulations

Proposed Rule and Correction for Control of Air Pollution From New Motor Vehicles: In-Use Testing for Heavy-Duty Diesel Engines and Vehicles

Final Rule for Control of Air Pollution From New Motor Vehicles: In-Use Testing for Heavy-Duty Diesel Engines and Vehicles

Implementation of the 2015 National Ambient Air Quality Standards (NAAQS) for Ozone: State Implementation Plan (SIP) Requirements

Learn about the state implementation requirements of the 2015 NAAQS

TSCA CBI Training - Access

Anyone who uses TSCA CBI must obtain clearance to do so every year. Thiscourse will serve as your yearly obligatory CBI training.

Direct Final Rule for In-Use Testing for Heavy-Duty Diesel Engines and Vehicles; Emission Measurement Accuracy Margins for Portable Emission Measurement Systems and Program Revisions

Includes rule summary, links to Federal Register, Technical Support Document, fact sheet and additional resources.

Proposed Determinations of Attainment, Failure to Attain and Reclassifications for the 2006 24-Hour PM Standards

Proposed determinations for 11 nonattainment areas classified as Moderate for the 2006 24-Hour Fine Particulate Matter National Ambient Air Quality Standards. Based on requirements under the C

Sporlan Valve Plant #1 Superfund Site, Washington, Franklin County, Missouri - Fact Sheet, July 2019

EPA Announces Placement of Site on National Priorities List and July 16 Public Meeting

Proposed Rule and Related Materials for Control of Emissions From Nonroad Spark-Ignition Engines and Equipment

Includes links to Federal Register notice, Final Rule, fact sheet, draft regulatory impact analysis and technical studies.

Final Rule for Control of Emissions From Nonroad Spark-Ignition Engines and Equipment

Includes rule summary, rule history, Federal Register notice, Regulatory Impact Statement, Summary and Analysis of Comments, CFR citations and fact sheets.

Direct Final Rule for Technical Amendments for Marine Spark-Ignition Engines and Vessels

Rule published September 16, 2010 to make technical amendments to the design standard for portable marine fuel tanks. This rule incorporates safe recommended practices, developed through industry consensus.

Partial Withdrawal and Final Rule for Nonroad Technical Amendments

Amendments to the technical hardship provisions under the Transition Program for Equipment Manufacturers related to the Tier 4 standards for nonroad diesel engines, and to the replacement engine exemption generally applicable to new nonroad engines.

Direct Final Rule for Heavy-Duty Engine and Vehicle, and Nonroad Technical Amendments

EPA and NHTSA are each adopting corrections to provisions in our respective Medium- and Heavy-Duty Greenhouse Gas Emissions and Fuel Efficiency final rule issued on September 15, 2011.

Proposed Update to NOx SIP Call Regulations

On this page find EPA's proposal to update the NOX SIP Call Regulations with the addition of monitoring flexibility and general streamlining of provisions.

EPA Region 8 UIC Class V AR and ASR Q & A

Question and Answer

PRN 97-4: Consumer Access Numbers on Pesticide Labels

This notice describes EPA policy on including telephone numbers and other access numbers or internet addresses, on pesticide product labeling. It also explains how the telephone number of the National Pesticide Information Center hotline may be used.

Register for the November 20, 2020 Webinar on the Cyclic Aliphatic Bromide Cluster

Announcement of a webinar on 11/20/20, from 1-3 PM, to educate stakeholders on the risk management process under the Toxic Substances Control Act (TSCA) and the findings in the final risk evaluation for the Cyclic Aliphatic Bromide Cluster

Direct Final Rule for Exhaust Emission Standards for 2012 and Later Model Year Snowmobiles

In this action removing the NOX component from the Phase 3 emission standard calculation and deferring action on the 2012 CO and HC emission standards portion of the court’s remand to a separate rulemaking action.

EPA Reopens Reporting Period for TSCA Active-Inactive Rule

Listserv announcing the reopening of the reporting period for the TSCA Active-Inactive Rule

Prevention of Significant Deterioration and Title V Permitting Regulations for Greenhouse Gases (GHG) and Establishment of a GHG Significant Emissions Rate Documents

Proposed Revisions to the Prevention of Significant Deterioration
and Title V Permitting Regulations for Greenhouse Gases (GHG)
and Establishment of a GHG Significant Emissions Rate

EPA Announces $23 Million in Pollution Prevention Grant Opportunities, including $14 Million in Bipartisan Infrastructure Law Funding

announcement about extending comment period for fenceline approach and releasing registration information for sacc meeting

EPA Accepting Comments on Candidates to be ad hoc Reviewers for Draft TSCA Systematic Review Protocol

EPA is accepting public comments on candidates under consideration for selection as ad hoc peer reviewers assisting the Science Advisory Committee on Chemicals (SACC) with their review of the draft EPA Toxic Substances Control Act (TSCA) Systematic Review