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Contact Us about Chemicals under the Toxic Substance Control Act (TSCA)

Report an environmental violation

Report possible violations of environmental laws and regulations.

Please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.

TSCA Hotline

The Toxic Substances Control Act Hotline ( is available to quickly answer general questions  about TSCA requirements. The TSCA Hotline operates Monday through Friday, from 8:30 a.m. to 5:00 p.m. Eastern time. Call (202) 554-1404 or FAX requests for documents are received every day, at all times, on (202) 554-5603.

By Phone:  (202) 564-3810

Mailing Address:

Office of Pollution Prevention & Toxics
1200 Pennsylvania Avenue, NW
Mail Code 7401-M
Washington, D.C. 20460