343 F.3d 449 PUBLIC CITIZEN, INC.; Sierra Club; Galveston-Houston Association for Smog Prevention; Hilton Kelley, Petitioners,v.UNITED STATES ENVIRONMENTAL PROTECTION AGENCY; Richard E. Greene, Administrator, United States Environmental Protection Agency,Region 6; Christine T. Whitman, Administrator, United States Environmental Protection Agency, Respondents. No. 02-60069. United States Court of Appeals, Fifth Circuit. Filed August 15, 2003. COPYRIGHT MATERIAL […]