(December 16, 2016, 1:16 PM EST) -- WASHINGTON, D.C. — A federal judge in the District of Columbia on Dec. 14 ruled that a subcontractor could file a fourth-party complaint against an environmental contractor for breach of contract in relation to an underlying lawsuit in which a worker seeks damages for exposure to toxic chemicals while working on an excavation project (Johnnie Parker v. John Moriarty & Associates v. Strittmatter Metro LLC v. Environmental Consultants and Contractors Inc., No. 15-1506, D. D.C.; 2016 U.S. Dist. LEXIS 172688)....