(April 19, 2017, 12:00 PM EDT) -- TRENTON, N.J. — A group of New Jersey residents on April 16 filed a brief in New Jersey federal court contending that their complaint against a refining company alleging contamination from heavy metals asserts valid claims (Juan Duarte, et al. v. United States Metal Refining Company, No. 17-1624, D. N.J.)....