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Guide to Accessing and Downloading the TSCA Chemical Substance Inventory

To ensure you are downloading legitimate data files and not potentially harmful archives, use these verified government sources:

Use this to find the quadrennial reports on chemical production and use volumes. How to Access the TSCA Inventory | US EPA Download TSCA rar

Files are typically available in CSV or Microsoft Access formats, which you may need to decompress (using tools like WinRAR or 7-Zip) after downloading from the official EPA TSCA Inventory Access Page .

Provides access to the non-confidential identities of substances submitted under TSCA. Guide to Accessing and Downloading the TSCA Chemical

The primary hub for downloading the non-confidential inventory in various data formats.

The latest version (e.g., July 2025 or February 2026) contains over 86,000 chemicals . 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..