An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Science Matters Articles related to Safer Chemicals Research

More than 80,000 chemicals are currently listed or registered under the Toxic Substances Control Act, and hundreds of new chemicals are introduced into the marketplace every year. EPA researchers are developing innovative, new approaches and technologies to advance a better understanding of chemicals and maximize chemical safety and sustainability.