Wash. Admin. Code § 296-876-40010
(1) You must protect ladders that are set up in a location where they could be displaced by workplace activities or traffic by either:
(2) You must protect ladders that are set-up in front of doors that open towards the ladder by doing at least one of the following:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. WSR 14-09-095, § 296-876-40010, filed 4/22/14, effective 7/1/14. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-20-068, § 296-876-40010, filed 10/4/05, effective 1/1/06.]