29 cfr part 1904.8 through 1904.12 July 8, 2019 16 32 64 128 Osha 29 cfr part 1904.8 through 1904.12 29 cfr part 1904.2(a) 29 cfr part 1904.5(b)(1) 29 cfr part 1904.5(b)(2)