Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Chemical Data Reporting

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.

  • ​Instructions for the 2024 TSCA Chemical Data Reporting
  • Questions and Answers
  • Topic-specific factsheets 
  • Byproducts, impurities and recycling scenarios 
  • Case studies 
  • Training and webinars 
  • CDR Petitions
Central Data Exchange (CDX) Help Desk

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

  • CSPP CDX registration guide
  • How to create and submit a Form U 
  • User role registration (Primary AO, Secondary AO, Primary Agent, Secondary Agent, Primary Support, Secondary Support) 
  • Assigning supports to a Primary Form U

Contact: 

  • Central Data Exchange 
  • (888) 890-1995 
  • (970) 494-5500 (International Callers)
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: 

  • eCDR Help E-mail 

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

Please enter a name to address you by.
Please enter a valid email address.
Please enter your comments.

Chemical Data Reporting

  • Chemical Data Reporting Home
    • About the CDR Data
    • How to Report to CDR
    • CDR GuideMe
    • Questions and Answers
  • 2020 CDR National Review
    • Overview
    • Trends
    • Chemical Production Data
    • Industrial Processing and Use Data
    • Commercial and/or Consumer Use Data
    • CDR and TRI Comparison
    • Data Limitations
  • Get the latest CDR – Access Options
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 1, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.