WAC 296-307-40005. Storage and handling of anhydrous ammonia

(1) All employees must use at least gloves and goggles and may supplement with a face shield while working on or with charged anhydrous ammonia equipment. (2) The employer must ensure that equipment is inspected before each day's work. Conditions that would contribute to leaks must be corrected. (3) Hose end-valves must be closed when not in use to prevent accidental discharge in case the main valve is opened. (4) Relief and vapor valves must discharge away from the operator's working position.