(December 17, 2020, 11:02 AM EST) -- CONCORD, N.H. — Residents who have sued the makers of per- and polyfluoroalkylsubstances (PFAS), including perfluorooctanoic acid (C8), on Dec. 14 filed a brief in New Hampshire federal court seeking certification of a class for medical monitoring and another class for property damage based on the extent of the contamination and the fact that there are no “uninjured” parties (Kevin Brown, et al. v. Saint-Gobain Performance Plastics Corporation, et al., No. 16-242, D. N.H.)....