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Announcement

EPA now refers to the Inventory Update Reporting (IUR) rule as the Chemical Data Reporting (CDR) Rule. This change was effective with the publication of the Inventory Update Reporting Modifications; Chemical Data Reporting Final Rule in August 2011.

General Contact Information for the Inventory Update Reporting and Chemical Data Reporting Program

E-mail: TSCA Hotline (tsca-hotline@epamail.epa.gov)

TSCA Hotline Phone: 202-554-1404

IUR/CDR Helpline Phone: 202-564-3012

Central Data Exchange (CDX) Helpdesk

Regular or Certified Mail Address:
U.S. Environmental Protection Agency
ATTN: IUR/CDR Submission
1200 Pennsylvania Avenue, N.W.
Mail Code 7407M
EPA East Building
Washington, DC 20460

Contact Form

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Reporting Broken Links

Report broken links to Karen Hoffman (hoffman.karen@epa.gov).

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