EPA’s newly finalized TSCA rule reworking Trump-era limits on two “persistent, bioaccumulative and toxic” (PBT) chemicals appears tailored to either avert litigation over the changes or narrow the impact of any adverse court ruling on the new policy’s wide range of deadline changes and risk-management mandates. The final Toxic Substances Control Act (TSCA) rule , which EPA quietly signed and posted online Oct. 31, extends deadlines to phase out the flame retardants decabromodiphenyl ether (decaBDE) and phenol, isopropylated phosphate (3:1),...