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PDFWAC 296-52-67210


(1) Permanent storage. The following are requirements for permanent storage:
(a) Explosives or blasting agents cannot be permanently stored in an underground operation until at least two exit routes are developed.
(b) Permanent underground storage magazines:
(i) Must be a minimum of three hundred feet from any shaft, adit, or active underground working area.
(ii) Containing detonators must be a minimum of fifty feet away from any magazine containing other explosives or blasting agents.
(2) Tunnels, shafts, or caissons. Detonators and explosives cannot be stored or kept in tunnels, shafts, or caissons.
[Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, ยง 296-52-67210, filed 1/23/02, effective 3/1/02.]
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