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WAC 296-818-30015

Blast cleaning nozzles.

You must make sure nozzles are all of the following:
(1) Mounted on a support when not in use;
(2) Equipped with operating valves that are manually held open.
Note:
To help prevent the buildup of static charges, pressurized tanks used to supply abrasive should be:
 
1. Connected to the manual control of the nozzle; and
 
2. Have the relief valve or opening located so it can safely vent.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-818-30015, filed 9/5/17, effective 10/6/17; WSR 06-12-074, § 296-818-30015, filed 6/6/06, effective 9/1/06.]
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