Draft TSCA Systematic Review Protocol Released for Comment

2021-12-27 21:29:42 By : Mr. Hua Lin

The U.S. Environmental Protection Agency (EPA) announced the availability of the Draft Systematic Review Protocol Supporting TSCA Risk Evaluations for Chemical Substances (Draft Protocol) on December 20, 2021. 86 Fed. Reg. 71891. According to EPA, the Draft Protocol includes a revised generic approach for Toxic Substances Control Act (TSCA)-related approaches accounting for previous peer review comments from the Science Advisory Committee on Chemicals (SACC) reviews of risk evaluations on the first ten chemical assessments and more recent recommendations from the National Academies of Sciences, Engineering, and Medicine (NASEM) review of the Application of Systematic Review in TSCA Risk Evaluations. EPA states that in addition to the revised, generic approach, the peer review package will include appendices containing chemical-specific information that is relevant for search strings and screening statements and data evaluation criteria for the next chemical risk evaluations being conducted by the Office of Pollution Prevention and Toxics (OPPT). The Draft Protocol provides specific details of the systematic reviews for the individual chemicals listed below:

1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta [g]-2-benzopyran (HHCB)

4,4'-(1-Methylethylidene)bis[2, 6-dibromophenol] (TBBPA)

Phosphoric acid, triphenyl ester (TPP)

Dibutyl phthalate (DBP) (1,2-Benzene-dicarboxylic acid, 1,2- dibutyl ester)

Butyl benzyl phthalate (BBP) -- 1,2-Benzene-dicarboxylic acid, 1-butyl 2(phenylmethyl) ester

Di-ethylhexyl phthalate (DEHP) -- (1,2-Benzene-dicarboxylic acid, 1,2-bis(2-ethylhexyl) ester)

Di-isobutyl phthalate (DIBP) -- (1,2-Benzene-dicarboxylic acid, 1,2-bis-(2-methylpropyl) ester)

Asbestos 2 (including Libby Amphibole Asbestos [LAA] and its tremolite, winchite, and richterite constituents)

EPA invites the public to provide input on the Draft Protocol via Docket No. EPA-HQ-OPPT-2021-0414. Comments are due February 18, 2022. SACC will hold a virtual three-day peer review public meeting to consider and review the Draft Protocol on April 19-21, 2022. Stakeholders must register online to receive the webcast meeting link and audio teleconference information. Registration instructions will be announced on the SACC website by early March 2022. After the public meeting, SACC will prepare meeting minutes summarizing its recommendations to EPA. The meeting minutes will be posted on the SACC website and in the relevant docket.

Lynn L. Bergeson has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology, and other emerging transformative technologies. Her knowledge of and involvement in the policy process allows her to develop client-focused strategies whether...

Since 1996, Carla Hutton has monitored, researched, and written about regulatory and legislative issues that may potentially affect Bergeson & Campbell, P.C. (B&C®) clients. She is responsible for creating a number of monthly and quarterly regulatory updates for B&C's clients, as well as other documents, such as chemical-specific global assessments of regulatory developments and trends. She authors memoranda for B&C clients on regulatory and legislative developments, providing information that is focused, timely and applicable to client...

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