Returning to the blast.
(1) Smoke and fumes. The blaster in charge must wait a minimum of fifteen minutes to allow smoke and fumes to clear before returning to the shot.
(2) Muck pile. Workers cannot return to work until the muck pile has been watered down.
[Statutory Authority: RCW
49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, ยง 296-52-67240, filed 1/23/02, effective 3/1/02.]