Science & Technology

Follow up to RFC: Responses to Comments on EPA's Designation and Classification of Areas for the 8-Hour Ozone National Ambient Air Quality Standard

Submitted by Forrest Mims III

EPA Response to RFC: Toxics Release Inventory Listing of Isopropyl Alcohol

EPA response to the Request for Correction (RFC)

Board of Scientific Counselors (BOSC)

The Board of Scientific Counselors (BOSC) is a federal advisory committee that provides advice and recommendations to EPA's Office of Research and Development.

Photos of the 2017 P3 Student Teams

Photos of the 2017 P3 Expo Student Teams with links to their abstracts

Evaluating the Effects of Chemicals on Nervous System Development

There are thousands of chemicals that lack data on their potential effects on neurodevelopment. EPA is developing New Approach Methods to evaluate these chemicals for developmental neurotoxicity hazard.

Safer Choice

Safer Choice is a voluntary program that works to advance the mission of EPA to protect human health and the environment by helping product manufacturers choose the safest chemical ingredients possible.

Coalbed Methane Outreach Program Accomplishments

Accomplishments

Ventilation Air Methane (VAM) Projects in the United States: Barriers and Potential Opportunities

CMOP Webinar – VAM Projects in the United States: Barriers and Potential Opportunities

Superfund Contract Laboratory Program

The Contract Laboratory Program (CLP) is a national network of EPA personnel, commercial laboratories, and support contractors whose primary mission is to provide data of known and documented quality to the Superfund program.

Superfund Analytical Methods (SFAM)

EPA Contract Laboratory Program Statement of Work for Superfund Analytical Methods SFAM01.1 and SFAM02.0

ECMPS Non-op File Generator Tool

This page is used to generate files needed by sources that have a non-operating quarter.

IRIS External Peer Review Draft

Health assessment information on a chemical substance is included in IRIS only after a comprehensive review of chronic toxicity data by U.S. EPA health scientists

Exposure Assessment Tools by Approaches

EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases

Risk Evaluation for 1,3-Butadiene

EPA designated 1,3-butadiene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.

Mobile Sector Source Apportionment - Air Quality and Benefits Per Ton

Mobile sector source apportionment air quality modeling and benefit per ton manuscripts with links to underlying data.

Real Time Geospatial Data Viewer (RETIGO)

Real Time Geospatial Data Viewer Allows users to view their mobile monitored air quality data

Are the GHGs in the National Emissions Inventory Complete?

No, the 2020 National Emissions Inventory (NEI) does not comprehensively capture all sources and sinks of greenhouse gases (GHGs) in the United States. For this information, users should review the EPA’s annual Inventory of U.S. Greenhouse Gas Emissions and Sinks. However, the NEI does report GHG emissions for select sources…

Last published: April 21, 2026