(September 19, 2017, 11:57 AM EDT) -- BOSTON — A Massachusetts Superior Court justice on Sept. 7 denied an insurer’s motion for summary judgment in an environmental contamination coverage suit after determining that issues of fact exist about the insured’s knowledge of the contamination and whether some of the contamination occurred prior to the inception of the policy at issue (Casella Waste Systems Inc., et al. v. Steadfast Insurance Co., No. 2016-2521, Mass. Super., Suffolk Co.)....