About EPA

State and Territorial Environmental Agencies in Land Revitalization

State and Territorial Environmental Agencies

EZ Query Search Options Help

In database terms, the Search Options are really "comparison operators". This page provides descriptions for the search options that are available to you through EZ Query.

HFC-23 Emission Standards for Production of Class II ODS

HFC-23 transformation and emission web page. Also information on new standards and new HFC-23 rule.

Vehicle and Fuel Emissions Testing

EPA's National Vehicle and Fuel Emissions Laboratory's primary responsibilities include: evaluating emission control technology; testing vehicles, engines and fuels; and determining compliance with federal emissions and fuel economy standards.

Risk Management for 1-Bromopropane (1-BP)

Information on risk management actions and opportunities for public engagement for 1-bromopropane

2024 Revisions to the Federal Acquisition Regulation: Strengthening Federal Sustainable Product and Service Purchasing Requirements

New webpage on the update of the federal acquisition regulation

Biointermediates

EPA Resumes Contaminated Sediment Cleanup in Detroit’s Lower Rouge River Old Channel

Today, U.S. Environmental Protection Agency resumed dredging contaminated sediment from the Lower Rouge River Old Channel in Detroit, Michigan. The dredging marks the final phase of an $84 million, multi-year project.

Release Date: March 30, 2026

Part One: The Multiple Benefits of Energy Efficiency and Renewable Energy

Chapter 1 of “Assessing the Multiple Benefits of Clean Energy” provides an introduction to the document."

Part Two - Chapter Five: Estimating the Economic Benefits of Energy Efficiency and Renewable Energy

Find out more about the case studies highlighted in each chapter of "Assessing the Multiple Benefits of Clean Energy" and the key benefits.

What They Are Saying: Leaders Across America Commend EPA’s Action to Finalize Historic Renewable Fuel Standards and Support America’s Rural Communities

On Friday, March 27, 2026, at the White House Great American Agriculture Celebration on the South Lawn, President Trump announced that U.S. Environmental Protection Agency (EPA) has finalized the historic Renewable Fuel Standard (RFS) “Set 2” final rule.

Release Date: March 30, 2026

Tribal Consultation in EPA's Pacific Southwest (Region 9)

These documents are intended as communication tools for EPA's Pacific Southwest (Region 9). They describe how Region 9 generally has approached consultation and coordination with tribal governments when addressing matters other than enforcement.

Superfund Redevelopment Basics

Become involved in the redevelopment of a Superfund site with tools and resources about reuse planning support and technical assistance, partnerships, reuse success stories, policy, and guidance.

Contracting with EPA

EPA buys many supplies and services to support the agency's mission. Here you'll find out about contracting with the EPA, including: our policies; what we're looking to buy right now; what we've bought recently, and what we're looking to buy in the future.