The latest version (e.g., July 2025 or February 2026) contains over 86,000 chemicals .
Guide to Accessing and Downloading the TSCA Chemical Substance Inventory Download TSCA rar
Looking for the latest data? Whether you're conducting a compliance check or environmental research, the U.S. Environmental Protection Agency (EPA) regularly updates the non-confidential list of chemicals manufactured or imported in the U.S.. The latest version (e
Always use the official EPA.gov links to ensure you are getting the most accurate and secure data. Official Download Links The latest version (e.g.
Use this to find the quadrennial reports on chemical production and use volumes. How to Access the TSCA Inventory | US EPA