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Now Available: Latest Update to the TSCA Inventory

For Release: March 11, 2020

The latest TSCA Inventory is now available at: This biannual update to the public TSCA Inventory is part of EPA’s regular posting of non-confidential TSCA Inventory data. 

This update adds 81 new chemicals, and the Inventory as a whole now contains 86,405 chemicals of which 41,484 are active in U.S commerce. Other updates to the TSCA Inventory include:

  • updates to commercial activity data, or active/inactive status;
  • updated regulatory flags, such as consent orders and SNURs; and
  • additional unique identifiers. 

The TSCA inventory is a list of all existing chemical substances manufactured, processed, or imported in the U.S. that do not qualify for an exemption or exclusion under TSCA. For more information on the TSCA Inventory, please visit: