(June 3, 2019, 2:27 PM EDT) -- LOS ANGELES — The county of Los Angeles and the Los Angeles Flood Control District on May 30 sued Monsanto Co., Pharmacia Corp. and Solutia Inc. in California federal court over contamination in the county’s waterways caused by the manufacture and sale of materials containing polychlorinated biphenyls (PCBs) (County of Los Angeles, et al. v. Monsanto Company, et al., No. 19-cv-4694, C.D. Calif.)....