(September 9, 2020, 3:05 PM EDT) -- LOS ANGELES — The city of Seattle filed an objection in federal court in California on Aug. 27 to a proposed $820 million settlement between municipalities and the makers of polychlorinated biphenyls (PCBs) over contamination to waterways, arguing that the approval of the settlement agreement's definition of released claims and a contribution protection provision would impair the city's rights, as well as "the rights of untold numbers of other persons," because it releases claims "related to the manufacture, sale, testing, disposal, release, marketing or management" of the chemical (Long Beach v. Monsanto Co., et al., No. 16-3493, C.D. Calif.)....