EPA is issuing a final rule under section 4(a) of the Toxic Substances Control Act (TSCA) that requires manufacturers and processors of 1,2-dichioropropane (DCP: CAS Number 78—87—5) to: (1) Conduct pharmacokinetic (absorption, distribution, metabolism, and excretion) testing with this chemical substance, (2) utilize certain TSCA test guidelines as the test standards for previously and currently required studies for DCP, and (3) submit test data within specified timeframes.

• Federal Register notice: Testing Requirement; Final Test Standards and Reporting Requirements; 1,2-Dichloropropane (PDF)(8 pp, 1 MB, October 5, 1987)