November 29, 2018

EPA Releases Working Approach for Identifying Potential Candidate Chemicals for Prioritization under TSCA

Lynn L. Bergeson

On September 28, 2018, the US Environmental Protection Agency (EPA) released the general approaches that the Office of Pollution Prevention and Toxics (OPPT) is considering using to identify potential candidate chemicals for prioritization under the Toxic Substances Control Act (TSCA) (https://www.epa.gov/newsreleases/epa-takes-first-steps-identifying-next-group-chemicals-risk-evaluation-under-tsca). The document, A Working Approach for Identifying Potential Candidate Chemicals for Prioritization (https://www.epa.gov/sites/production/files/2018-09/documents/preprioritization_white_paper_9272018.pdf), explains EPA’s thinking regarding a near-term approach for identifying potential chemicals for prioritization, the initial step in evaluating the safety of existing chemicals under TSCA. The approach document also includes a longer-term risk-based strategy for managing the larger TSCA chemical landscape that, according to the portion of the TSCA Chemical Substance Inventory (Inventory) that includes the substances designated as active (TSCA Active Inventory), is expected to include over 38,000 chemicals reported as “active” under the TSCA Inventory Notification (Active-Inactive) Requirements final rule. 82 Fed. Reg. 37,520 (Aug. 11, 2017).

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