(March 19, 2020, 1:40 PM EDT) -- LOS ANGELES — Numerous plaintiffs sued chrome plating companies in California federal court on March 18, contending that they have violated the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and are responsible for groundwater contamination from hexavalent chromium and various solvents (Arconic Inc., et al. v. Cal-Tron Plating Inc., et al., No. 20-2586, C.D. Calif.)....