EPA is issuing a final rule, under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of ortho-phenylenediamine (o-pda; CAS No. 95-54—5), meta-phenylenediamine (m-pda: CAS No. 108-45-2), para-phenylenediamine (p-pda; CAS No. 100—50—3) and the sulfate salts of m-pda (m-pda.H3, SO4; CAS No.54—17-08) and p-pda (p-pda.H3, SO4; CAS No. 1624—57—75) to perform testing for neurotoxic effects, chemical fate, and aquatic toxicity.
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: Unsubstituted Phenylenediamines; Final Test Rule (PDF)(10 pp, 2 MB, November 30, 1989)