How can I formally find out if a substance is on the TSCA Inventory?

If an intended manufacturer or importer of a chemical substance is unsure of the TSCA Inventory status of the chemical (e.g., cannot find that substance on one of the public sources of non-confidential TSCA Inventory data), the company or representative can obtain a written determination from EPA by submitting a Bona Fide Intent to Manufacture or Import Notice pursuant to the procedures at 40 CFR section 720.25. Instructions on Notices of Bona Fide Intent to Manufacture are available from the TSCA Hot Line. In a bona fide notice, a submitter must:

provide specific chemical identification data including Chemical Abstracts Index name as well as information about the substances manufacture or importation. Proper CA Index names can be obtained from the Chemical Abstracts Service's Inventory Expert Service. A letter of support can be necessary if some information is withheld from the submitter by, for example, a supplier;
certify intent to manufacture or import the intended substance for a commercial purpose; and
provide all of the other information required in support of a bona fide notice.

EPA will consider the information submitted in a bona fide notice and, if the Agency believes that the submitter has demonstrated a genuine intent to manufacture or import, search the full TSCA Inventory master file and provide a written determination to the submitter on the TSCA Inventory status of the submitted chemical substance.

How can I formally find out if a substance is on the TSCA Inventory?

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