Update Appended EPA has finalized a long-awaited rule extending compliance deadlines for Trump-era TSCA limits on two “persistent, bioaccumulative and toxic” (PBT) chemicals that trade groups have warned could shut down entire sectors if enforced quickly, though the changes will not take effect for at least two months, leaving one of the Trump rules in effect during that window. The final rule , which EPA quietly signed and posted online Oct. 31, extends for as long as 30 years...