Authorities Cited: United States Code 42 U.S.C. § 7401 42 U.S.C. § 7412(a)(1) 42 U.S.C. § 7412(a)(9) 42 U.S.C. § 7502(c)(5) 42 U.S.C. § 7503(a)(3) 42 U.S.C. § 7602(j) 42 U.S.C. § 7604(a)(1) 42 U.S.C. § 7604(f)(4) 42 U.S.C. § 7607(b) 42 U.S.C. § 7661(2) Supreme Court 427 U.S. 246 467 U.S. 837 504 U.S. 555, 560-561 524 U.S. 11, 26 545 U.S. 967, 980 Circuit Courts 515 F.2d 206, 211 810 F.2d 493, 498 276 F.3d 1253, 1258 368 F.3d 1300 475 F.3d 1096, 1099