You must make sure material is not put on ladders in storage.
Note: Store portable ladders on racks designed to protect them when not in use. The racks should have enough supporting points to prevent the ladder from sagging. Do not store wood ladders near sources of heat, moisture, or dampness.
Wash. Admin. Code § 296-876-30015
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 05-20-068, § 296-876-30015, filed 10/4/05, effective 1/1/06.