TSCA Chemical Substance Inventory
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The Toxic Substances Control Act (TSCA) Chemical Substance Inventory contains all existing chemical substances manufactured, processed, or imported in the United States that do not qualify for an exemption or exclusion under TSCA. This may be your starting place for interaction with EPA on TSCA regulatory matters.
Learn About the TSCA Inventory
- Overview
- Why is a chemical on the Inventory?
- How are chemicals added to the Inventory?
- Nanoscale substances and the Inventory
- Completeness, accuracy and legal standing
Amended TSCA and the Inventory
Access the TSCA Inventory
Policy and Guidance
News
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