(July 17, 2024, 2:53 PM EDT) -- HAMMOND, Ind. — A group of chemical companies has filed a brief in Indiana federal court contending that the court should deny plaintiffs’ bid to file a third amended complaint in a long-running groundwater contamination lawsuit against Atlantic Richfield Co. (ARCO) and others, only to restate the same allegations of negligent infliction of emotional distress that were already brought in the second amended complaint....