By Lynn L. Bergeson and Carla N. Hutton
 
The U.S. Environmental Protection Agency (EPA) announced on February 7, 2022, that registration is now open for the March 15-17. 2022, 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 level methodology). As reported in our January 24, 2022, memorandum, 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 has extended the comment period to March 22, 2022, to give stakeholders additional time to provide input. EPA “encourages” written comments for consideration by SACC during its peer review be submitted by the original deadline of February 22, 2022. EPA states that it will provide comments submitted after this date to the SACC members, but notes that members “may not have adequate time to consider those comments prior to the meeting’s discussions.” While SACC is unable to consider comments submitted after the March 15-17, 2022, meeting, EPA will consider all comments submitted by March 22, 2022.
 
To provide oral comments during the virtual peer review meeting, registration must be received by 12:00 p.m. (EST) on February 25, 2022. Stakeholders may register as a listen-only attendee at any time until the end of the meeting on March 17, 2022.

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By Lynn L. Bergeson and 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.

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