Ongoing and Completed Chemical Risk Evaluations under TSCA

The existing chemicals listed on this page have either undergone or are currently undergoing risk evaluation as part of EPA’s existing chemical process under the Toxic Substances Control Act (TSCA) to determine whether they present an unreasonable risk to public health or the environment.

Learn more about:

• The risk evaluation process for existing chemicals under TSCA
• The prioritization process, and how chemicals are identified as a high priority for risk evaluation
• Manufacturer-requested risk evaluations
• Risk management for existing chemicals

* Status: “Initiated”: Chemicals that have been designated as a high priority or for which risk evaluation has begun. “Draft Scope”: EPA has published a draft scope document for public comment. “Final Scope”: EPA has published a final scope document (or problem formulation for the first 10). “Draft risk evaluation”: EPA has published a draft risk evaluation. “Final risk evaluation”: EPA has completed a final risk evaluation. "Proposed risk management rule": EPA has published a draft risk management rule. "Final risk management rule": EPA has published a final risk management rule.