Authorities Cited: United States Code 5 U.S.C. § 706 5 U.S.C. § 706(2) 29 U.S.C. § 651(a) 29 U.S.C. § 651(b)(3) 29 U.S.C. § 657(a)(2) 29 U.S.C. § 659(b) Code of Federal Regulations 29 C.F.R. § 1926.451(a)(4) Supreme Court 323 U.S. 134, 140 467 U.S. 837 474 U.S. 3, 7 499 U.S. 144, 147-157 503 U.S. 249, 253-254 508 U.S. 402, 417 529 U.S. 576, 587 533 U.S. 218, 226-227 Circuit Courts 19 F.3d 270, 273 181 F.3d 715, 721 221 F.3d 861, 865 273 F.3d 1131 291 F.3d 219, 221-228 298 F.3d 256, 262-263 383 F.3d 419, 420 390 F.3d 912, 920 498 F.3d 401, 408-409 517 F.3d 904, 907 529 F.3d 763, 776-777