WAC 296-52-67055
Storms. (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
. 02-03-125, § 296-52-67055, filed 1/23/02, effective
3/1/02.]