These rules apply to all window-cleaning activities performed on the inside or outside of a building in which the window cleaner is working from a level that is located more than forty-eight inches above grade.
Wash. Admin. Code § 296-878-100
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 02-22-027, § 296-878-100, filed 10/28/02, effective 1/1/03.