EPA revises n-methylpyrrolidone TSCA risk determination

As part of the EPA’s decision to determine risk via a “whole chemical” approach for TSCA risk evaluations, the Agency has released a final revised risk determination for n-methylpyrrolidone (NMP). The EPA has determined that NMP presents an unreasonable risk of injury to health under its current conditions of use.

Regulatory background

  • On June 22, 2016, the “Frank R. Lautenberg Chemical Safety for the 21st Century Act” was signed into law, amending the 1976 Toxics Substances Control Act ( 15 U.S.C. § 2601 et seq., 2016). TSCA Section 6(b), administered by EPA’s Office of Pollution Prevention and Toxics (OPPT), required EPA to initiate risk evaluations for 10 chemical substances drawn from the 2014 update of the TSCA Work Plan for Chemical Assessments.

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