On January 4, 1984, the EPA proposed, under section 4(a) of the Toxic Substances Control Act (TSCA), that manufacturers and processors of hydroquinone (CAS No. 123-31-9) conduct health and environmental effects testing of that chemical (49 FR 438).
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Federal Register notice: Hydroquinone Testing Requirements (PDF)(12 pp, 3 MB, December 30, 1985)