Wash. Admin. Code § 296-876-15005
(2) You must have a competent person train employees that use ladders in at least the following topics:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. WSR 14-09-095, § 296-876-15005, filed 4/22/14, effective 7/1/14. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 06-22-024, § 296-876-15005, filed 10/24/06, effective 12/1/06.]