(September 15, 2015, 11:35 AM EDT) -- PORTLAND, Ore. — An Oregon federal magistrate judge on Sept. 11 granted various insurers’ motions for summary judgment after determining that some of the insurers have no duty to defend their insureds for underlying environmental contamination claims based on the policies’ self-insured retention language, excess coverage provisions and hazardous substance exclusions (Century Indemnity Co. v. The Marine Group LLC, et al., No. 08-1375, D. Ore.; 2015 U.S. Dist. LEXIS 121219)....