( January 14, 2026, 12:18 PM EST) -- BOSTON — A defendant in a consolidated class action for drinking water contamination from per- and polyfluoroalkyl substances XE "per- and polyfluoroalkyl substances" (PFAS) filed an answer in Massachusetts federal court on Jan. 13 denying all allegations and asserting affirmative defenses including one for contributory negligence, contending that the “plaintiffs’ own conduct caused or contributed to their alleged injuries.”...