Mealey's (January 30, 2023, 1:29 PM EST) -- WASHINGTON, D.C. — In Jan. 27 opposition briefs filed with the U.S. Supreme Court, two paper companies defend a determination by the Sixth Circuit U.S. Court of Appeals that a statute of limitations affirmative defense is available to them in a lawsuit over polychlorinated biphenyl (PCB) pollution at the Kalamazoo River Superfund site....