Learn the Issues

Administrator Zeldin Names Teresa Booeshaghi Associate Administrator of Office of Applied Science and Environmental Solutions

EPA Administrator Lee Zeldin named Teresa Booeshaghi Associate Administrator of the Office of Applied Science and Environmental Solutions (OASES).

Release Date: April 20, 2026

Worst-case release scenarios for salt domes

Would all of the regulated substances stored in a salt dome be assumed to be released in the worst-case scenario? The worst case scenario for salt domes would be examined in a manner similar to that for underground storage tanks. Reservoirs or vessels sufficiently buried underground are passively mitigated or…

Last published: April 20, 2026

RadNet Query Builder Search User Guide

RadNet is a national network monitoring stations that regularly samples the nation's air, precipitation, drinking water, or pasteurized milk for a variety of radionuclides and radiation types.

Registered Companies and Facilities in EPA’s Fuel Programs

List of companies and facilities registered under 40 CFR Part 80 - fuels programs.

Greenhouse Gas Query Builder User Guide

Search the GHG data for individual facilities by name, or location or filter the data set by state or county, industrial sectors, annual facility emissions thresholds and greenhouse gases.

Legislative and Regulatory Authority for Chemical Data Reporting

This page discusses CDR legislative authority that supports Chemical Data Reporting

CDR Petitions

Provides links to CDR documents and tools that can be used for CDR reporting

CDR Data Quality Assurance

A brief history on the development of the 2006 IUR regulation and general requirements for reporting.

Learn About Wildfires and Indoor Air Quality

demo iaq homepage

Overview of CDR Reporting

Provides links to CDR documents and tools that can be used for CDR reporting

Basic Information about Chemical Data Reporting

A brief overview on the development of the CDR/ IUR regulations and general requirements for reporting.

Wildfire Smoke Preparedness in Community Buildings Grant Program

To better prepare buildings for wildfire smoke, the 2022 Consolidated Appropriations Act set aside up to $4 million a new grant program for wildfire smoke preparedness in community buildings and related activities.

Brownfields in EPA Region 10

EPA Region 10 (Pacific Northwest) Brownfields Program

Wildfires and Indoor Air Quality (IAQ)

This collection of pages provides helpful information to reduce your exposure to wildfire smoke inside your home.

Wildfires and Indoor Air Quality in Schools and Commercial Buildings

Building owners and facility managers may find the information about specific strategies to reduce exposure to wildfire smoke and recommended public health actions useful for managing their buildings and communicating to occupants during smoke events.

EPA Region 8 Press Kit

Reach out to EPA Region 8’s public affairs team for in-depth information on local environmental topics. We want to connect you with the right people to complete your story.

EPA in the Pacific Islands: Topics and Resources

Topics and resources for the U.S. Pacific Territories of American Samoa, the Commonwealth of the Northern Mariana Islands (CNMI) and Guam; U.S. Minor Outlying Islands in the Pacific; and the Freely Associated States of the Federated States of Micronesia.