Labor: health and safety; revisions to the occupational safety and health act; provide for. Amends title & secs. 4, 13, 14, 14a, 14e 14f, 14j, 14n, 24, 27, 28, 29, 30, 31, 33, 35, 36, 37, 41, 45, 46, 52, 54, 55, 56, 63, 65 & 91 of 1974 PA 154 (MCL 408.1004 et seq.) & repeals sec. 1035a of 1974 PA 154 (MCL 408.1035a ).