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Reviewing New Chemicals under the Toxic Substances Control Act (TSCA)

New Chemicals Program under TSCA Chemical Categories Document

EPA groups Premanufacture Notice (PMN) chemicals with shared chemical and toxicological properties into chemical categories, enabling both PMN submitters and EPA reviewers to benefit from the accumulated data and past decisional precedents allowing reviews to be facilitated.

This page has New Chemicals Program's Chemical Categories Document, which explains how EPA uses the categories. 

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