You must ensure that the piped systems for the in-plant transfer and distribution of nitrous oxide are designed, installed, maintained, and operated in accordance with Compressed Gas Association Pamphlet G8.1-1964.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 15-24-100, § 296-24-325, filed 12/1/15, effective 1/5/16; Order 73-5, § 296-24-325, filed 5/9/73 and Order 73-4, § 296-24-325, filed 5/7/73.]
