News Details
EPA Releases Guidance on New Chemical Submission Requirements Under TSCA Final Rule
The U.S. Environmental Protection Agency (EPA) has released new guidance materials to help companies meet updated requirements for submitting new chemical information under the Toxic Substances Control Act (TSCA). These requirements were introduced in a final rule published in December 2024.
Interim Submission Process While CDX Updates Are Pending
The final rule now requires companies to include more detailed information in their new chemical submissions—if that information is known or can reasonably be found by the company.
While EPA is working to update its Central Data Exchange (CDX) system to handle the new requirements, those system changes are not yet complete. In the meantime, companies must use the current CDX system. To help with this, EPA has issued clear, temporary instructions on how to include the required information using the existing submission process.
Future Implementation and Stakeholder Training
Once the updated CDX system is ready, EPA will inform and train stakeholders on how to use the system. At that point, the temporary instructions will no longer apply.
For more details, visit the final rule docket and EPA’s technical support page for PMN submissions.
We acknowledge that the above information has been compiled from US EPA .
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