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WAC 173-160-361
Who may supervise the use of explosives?
Explosives used for developing or reconditioning any water well must be used under the direct supervision of an individual licensed under chapter
70.74
RCW.
[Statutory Authority: Chapter
18.104
RCW and RCW
43.21A.080
. WSR 98-08-032 (Order 97-08), § 173-160-361, filed 3/23/98, effective 4/23/98.]