SEACOAST ANTI-POLLUTION LEAGUE ET AL., PETITIONERS, v. DOUGLAS M. COSTLE, AS ADMINISTRATOR OF THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, RESPONDENT, PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE, INTERVENOR. No. 78-1339.United States Court of Appeals, First Circuit.Argued March 15, 1979. Decided May 2, 1979. Page 307 Robert A. Backus, Manchester, N.H., and Harvey N. Winchester, Needham, Mass., […]