(September 6, 2017, 12:31 PM EDT) -- DES MOINES, Iowa — A federal judge in Iowa on Sept. 5 ruled that two tire companies are liable for $11 million under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) for selling buildings on a Superfund site in the state that were contaminated with polychlorinated biphenyls (PCBs) (United States of America v. Dico, Inc., et al., No. 10-cv-503, S.D. Iowa)....