Proposed Test Rule for Certain Chemicals on the ATSDR/EPA CERCLA Priority List of Hazardous Substances

Streszczenie

In this action, EPA is proposing to require testing for certain chemicals on the Agency for Toxic Substances and Disease Registry (ATSDR)/EPA Priority List of Hazardous Substances which is compiled under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA), and is soliciting proposals for enforceable consent agreements (ECAs). EPA is proposing a test rule under section 4(a) of the Toxic Substances Control Act (TSCA) that would require manufacturers (including importers) and processors of four chemical substances (chloroethane, hydrogen cyanide, methylene chloride, and sodium cyanide) to conduct testing for certain health effects relating to the manufacture, distribution in commerce, processing, use, or disposal of these substances. The data that would be obtained under the testing program will be used to address health effects data needs identified by ATSDR and EPA for these substances, which are among the hazardous substances most commonly found at sites listed on the CERCLA National Priorities List (NPL) and which are also hazardous air pollutants (HAPs) under section 112 of the Clean Air Act (CAA). EPA is soliciting proposals for ECAs involving the co