(August 13, 2015, 1:30 PM EDT) -- CHARLESTON, W.Va. — A defendant in a lawsuit brought by residents who contend that a water company is responsible for contaminating the water supply when it spilled 4-methylcyclohexane methanol into the Elk River near Charleston filed a brief on Aug. 11, arguing that the plaintiffs should not be granted class certification (Crystal Good, et al. v. American Water Works Co. Inc., No. 14-1347, S.D. W.Va.)....