Contact Us on Chemical Data Reporting under TSCA

 

Before contacting us, please explore the following resources available on the website that may answer many of your questions regarding your reporting requirements under CDR.

Central Data Exchange (CDX) Help Desk

Issues regarding CDX account access (registration, password, user ID issues):

Contact: 

TSCA Hotline

Issues Regarding: 

  • General information about reporting under CDR
  • Submission period questions 
  • General reporting requirements (e.g., production volume requirements, basic data element questions, imports, small manufacturer and other exemptions) 
  • Help with guidance documents 
  • Using Substance Registry Services (SRS) (see also chemicals subject to CDR)
  • General information about access to past CDR data

Contact:

  • TSCA Hotline E-mail or (202) 554-1404   
  • The TSCA Hotline operates Monday through Friday, from 8:30 a.m. to 5:00 p.m. Eastern time. FAX requests for documents are received every day, at all times, on (202) 554-5603. 
eCDR Support

Issues Regarding: 

  • General CDR information, technical inquiries or questions not addressed by other guidance or points of contact 
  • eCDRweb reporting tool technical problems (i.e., validation errors, company name and address changes, etc.) and software questions related to form submissions 
  • Past CDR data access questions
  • Submitting CDR petitions

 Contact: 

You can also use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.​ Or send us your questions by mail using the mailing address below.

Mailing Address:

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

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Chemical Data Reporting

Contact Us on Chemical Data Reporting under TSCA to ask a question, provide feedback, or report a problem.
Last updated on July 3, 2025