Refrigerated tanks.
You must make sure refrigerated tanks are not liquid full at a liquid temperature so that the vapor pressure is below the "start-to-discharge" pressure setting of the safety relief valve.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050. WSR 15-23-086, § 296-826-60035, filed 11/17/15, effective 12/18/15. Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060. WSR 06-10-067, § 296-826-60035, filed 5/2/06, effective 9/1/06.]