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PDFWAC 296-52-67055


(1) Dust storms. Blasting operations must be completely stopped and all personnel removed from the blast area if a heavy dust storm approaches or is present because it could cause static lightning.
(2) Thunderstorms. Blasting operations must stop and all personnel be removed from the blast area if a thunderstorm approaches or is present.
[Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, ยง 296-52-67055, filed 1/23/02, effective 3/1/02.]
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