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January 21, 2022

EPA Requests Comment on Draft TSCA Screening Level Approach for Assessing Exposures to Fenceline Communities, Will Hold Peer Review Meeting in March

Lynn L. Bergeson Carla N. Hutton

On January 21, 2022, the U.S. Environmental Protection Agency (EPA) announced that it will hold a virtual peer review meeting of the Science Advisory Committee on Chemicals (SACC) to consider and review the “Draft TSCA Screening Level Approach for Assessing Ambient Air and Water Exposures to Fenceline Communities Version 1.0.” 87 Fed. Reg. 3294. The meeting will be held March 15-17, 2022, and will be open to the public. Along with presenting the methodology, EPA will also present results of applying the screening methodology (case studies) to 1-bromopropane (1-BP) (air pathway), N-methylpyrrolidone (NMP) (water pathway), and methylene chloride (MC) (air and water pathway). In addition, EPA announced the availability of and solicited public comments on the draft approach, which will be presented as a screening level methodology for assessing potential air and water chemical exposures to fenceline communities. Comments are due February 22, 2022.

EPA’s background documents, related supporting materials, and draft charge questions to the SACC are available in Docket ID EPA-HQ-OPPT-2021-0415 and on the SACC website. EPA will provide additional background documents (e.g., SACC members and consultants participating in this meeting and the meeting agenda) as the materials become available. Registration is required to receive the webcast meeting link and audio teleconference information. EPA states that it intends to announce registration instructions on the SACC website by early February 2022.

More information and a detailed commentary will be available in a forthcoming memorandum that will be posted on our website.