(September 2, 2016, 12:50 PM EDT) -- BOSTON — Massachusetts law must be applied in an environmental contamination coverage suit for several Rhode Island sites because Massachusetts is the state where the insurance contracts were negotiated, the Massachusetts Appeals Court said Aug. 31 in reversing a number of rulings in favor of the insured (OneBeacon America Insurance Co. v. Narragansett Electric Co., et al., No. 13-1240, Mass. App.; 2016 Mass. App. LEXIS 113)....