The Biden-era framework rule intended to align EPA’s procedures for evaluating risks associated with new chemical applications violates TSCA because it unlawfully “fast-tracks” approval of some persistent, bioaccumulative and toxic (PBT) chemicals, resulting in harms to protected populations, environmentalists argue in their opening brief. “In promulgating the PBT Fast-Track Provision, 40 C.F.R. § 723.50(d)(2)(ii), EPA violates TSCA,” write environmental petitioners in their opening brief in consolidated litigation known as Alaska Community Action on Toxics (ACAT) et al. v. EPA ...