Bergeson & Campbell, P.C. (B&C®) is a Washington, D.C. law firm providing chemical and chemical product stakeholders unparalleled experience, judgment, and excellence in matters relating to TSCA, and other global chemical management programs.

By Lynn L. Bergeson and Carla N. Hutton
On March 15-17, 2022, the U.S. Environmental Protection Agency (EPA) held a meeting of the Science Advisory Committee on Chemicals (SACC) to peer review EPA’s “Draft TSCA Screening Level Approach for Assessing Ambient Air and Water Exposures to Fenceline Communities Version 1.0” (screening methodology). As reported in our January 24, 2022, memorandum, EPA will use the screening methodology to evaluate potential chemical exposures and associated potential risks to fenceline communities in its Toxic Substances Control Act (TSCA) risk evaluations. EPA presented its screening methodology, as well as the results of applying the screening methodology to 1-brompropane (air pathway), n-methylpyrrolidone (water pathway), and methylene chloride (air and water pathway). EPA will use the scientific advice, information, and recommendations from SACC, as well as public comments, to inform the final protocol. EPA has posted the following materials: