PDFWAC 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.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-40005, filed 10/20/20, effective 11/20/20. Statutory Authority: RCW 49.17.040. WSR 98-24-096, § 296-307-40005, filed 12/1/98, effective 3/1/99. WSR 97-09-013, recodified as § 296-307-40005, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-40005, filed 10/31/96, effective 12/1/96.]