(April 19, 2018, 12:19 PM EDT) -- BOSTON — Massachusetts residents on April 18 filed a putative class action against The 3M Co. and others in federal court, seeking more than $5 million for personal injuries they allege were caused by aqueous film forming foam (AFFF) the defendants manufactured and used at a training facility for firefighters, which has leaked into the local drinking water (Christine Civitarese, et al. v. The 3M Co., et al., No. 18-10747, D. Mass.)....