Authorities Cited: United States Code 42 U.S.C. § 7607(b)(1) 42 U.S.C. § 7661(4) Code of Federal Regulations 40 C.F.R. § 70.6(a)(3)(i)(A) 40 C.F.R. § 70.6(a)(3)(i)(B) 40 C.F.R. § 70.6(c)(1) Supreme Court 348 U.S. 528, 538 467 U.S. 837 Circuit Courts 938 F.2d 1390, 1395 80 F.3d 869, 873 208 F.3d 1015, 1024-1028 320 F.3d 272 375 F.3d 1169, 1177-1182 425 F.3d 992, 998

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