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 (202) 554-1404. The TSCA hotline operates Monday through Friday, from 8:30 a.m. to 5:00 p.m. Eastern time.
FAX (202) 554-5603.
TSCA Inventory Inquiries:
Send e-mail to: tscainventory@epa.gov
Report possible violations of environmental laws and regulations.
Mailing Address:
Tracy Williamson
U.S. EPA
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.