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 .
Use this to find the quadrennial reports on chemical production and use volumes. How to Access the TSCA Inventory | US EPA Download TSCA rar
The download provides non-confidential identities of chemical substances, their CAS numbers , and their "active" or "inactive" status in U.S. commerce. Files are typically available in CSV or Microsoft