GULF STATES UTILITIES COMPANY, PETITIONER, v. FEDERAL ENERGY REGULATORY COMMISSION, RESPONDENT, UNION CARBIDE CORPORATION, INTERVENOR. No. 88-1071.United States Court of Appeals, District of Columbia Circuit.Argued October 27, 1988. Decided April 14, 1989. Page 488 Daniel L. Koffsky, with whom Wm. Warfield Ross and Jane Seigler, Washington, D.C., were on the brief, for petitioner. Joseph S. […]