On January 21, 2022, the U.S. Environmental Protection Agency (EPA) announced the availability of and solicited public comments on the “Draft TSCA Screening Level Approach for Assessing Ambient Air and Water Exposures to Fenceline Communities Version 1.0” (screening level methodology). 87 Fed. Reg. 3294. EPA will use the screening level methodology to evaluate potential chemical exposures and associated potential risks to fenceline communities in its Toxic Substances Control Act (TSCA) risk evaluations. EPA will hold a virtual peer review meeting of the Science Advisory Committee on Chemicals (SACC) March 15-17, 2022, to consider and review the methodology and to present results of applying it to 1-bromopropane (1-BP) (air pathway), N-methylpyrrolidone (NMP) (water pathway), and methylene chloride (MC) (air and water pathway). Comments are due February 22, 2022. For more information, please read the full memorandum
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