CATAWBA COUNTY, NORTH CAROLINA, et al., Petitioners v. ENVIRONMENTAL PROTECTION AGENCY, Respondent Sierra Club, Intervenor. Nos. 05-1064, 05-1065, 05-1067, 05-1068, 05-1069, 05-1071, 05-1072, 05-1073, 05-1075, 05-1076, 05-1077, 05-1078, 05-1184, 05-1190, 05-1196, 05-1200, 05-1202, 06-1049, 06-1052, 06-1083, 06-1088, 06-1102, 06-1172, 07-1412, 07-1417, 07-1418, 07-1428, 07-1465, 07-1467, 07-1530.United States Court of Appeals, District of Columbia Circuit.Argued April […]