Always use the official EPA.gov links to ensure you are getting the most accurate and secure data. Official Download Links
The primary hub for downloading the non-confidential inventory in various data formats. 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 . Always use the official EPA