EPA Issues ANPRM under TSCA Section 6 on 6PPD and 6PPD-Quinone – Update from Bergeson & Campbell, P.C.

On August 1, 2023, Earthjustice filed a petition under Section 21 of the Toxic Substances Control Act (TSCA) asking the U.S. Environmental Protection Agency (EPA) to establish regulations prohibiting the manufacturing, processing, use, and distribution of the chemical N-(1,3-Dimethylbutyl)-N′-phenyl-p-phenylenediamine (6PPD) for and in tires. Earthjustice filed the petition on behalf of the Yurok Tribe, the Port Gamble S’Klallam Tribe, and the Puyallup Tribe of Indians, and EPA granted the petition in November 2023. On November 14, 2024, EPA released an advance notice of proposed rulemaking (ANPRM) to solicit and collect information from the public on the potential risks associated with 6PPD and its transformation product, 6PPD-quinone. EPA also seeks information about potential alternatives and regulatory options to help inform its consideration of potential future regulatory actions under TSCA. The 6PPD risk evaluation and risk management actions will be an important case study for EPA’s implementation of TSCA Section 6. For more information, please read the full memorandum.

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