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Contact Us About the TSCA Chemical Substance Inventory

WARNING - DO NOT e-mail any Confidential Business Information (CBI) to EPA. EPA's e-mail system is NOT secured to protect CBI.

General TSCA Inquiries:

Email the Toxic Substances Control Act Hotline (tsca-hotline@epa.gov)

Call 800-471-7127. The TSCA hotline operates Monday through Friday, from 8:00 a.m. to 6:00 p.m. Eastern time.

TSCA Inventory Inquiries:

Send e-mail to: tscainventory@epa.gov

Mailing Address:

Tracy Williamson

U.S. EPA

Attention: Toxic Substances Control Act (TSCA) Chemical Substance Inventory

Mailcode: 7406M

1200 Pennsylvania Ave., N.W.

Washington, DC 20460

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.