Wash. Admin. Code § 296-67-367
(1) The employer must develop, implement and maintain an effective emergency response or emergency action plan for the entire plant, pursuant to the provisions of WAC 296-24-567 Employee emergency plans and fire prevention plans, and chapter 296-824 WAC, Emergency response. An emergency response plan must define and include procedures for handling all of the following:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. WSR 24-02-037, § 296-67-367, filed 12/27/23, effective 12/27/24.]