See General safety and health standards, chapter 296-24 WAC, Part J-2 or Safety standards for construction work, chapter 296-155 WAC, Part J-1.
Wash. Admin. Code § 296-79-120
Statutory Authority: RCW 49.17.010, 49.17.040, and 49.17.050. 01-11-038, § 296-79-120, filed 5/9/01, effective 9/1/01; 99-16-083, § 296-79-120, filed 8/3/99, effective 11/3/99; Order 74-24, § 296-79-120, filed 5/6/74; Order 70-6, § 296-79-120, filed 7/10/70, effective 8/10/70.