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WAC 296-301-195

Open tanks and vats for mixing and storage of hot or corrosive liquids.

(1) Guardrails must be provided for open tanks and vats which conform to the requirements of WAC 296-24-750 through 296-24-75011.
(2) Shutoff valves. Boiling tanks, caustic tanks, and hot liquid containers, so located that the operator cannot see the contents from the floor or working area, must have emergency shutoff valves controlled from a point not subject to danger of splash. Valves must conform to the ASME Pressure Vessel Code, section VIII, Unfired Pressure Vessels, 1968.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-301-195, filed 9/5/17, effective 10/6/17. Statutory Authority: RCW 49.17.010, [49.17].040 and [49.17].050. WSR 99-17-094, § 296-301-195, filed 8/17/99, effective 12/1/99; Order 74-19, § 296-301-195, filed 5/6/74.]
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