Trainee supervision.
Trainees and inexperienced personnel must work under the direct supervision of a fully qualified licensed blaster who knows the site's:
(1) Blasting method;
(2) Safety procedures;
(3) Blasting signals.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 17-16-132, § 296-52-67050, filed 8/1/17, effective 9/1/17. Statutory Authority: RCW
49.17.010, [49.17].040, and [49.17].050. WSR 02-03-125, § 296-52-67050, filed 1/23/02, effective 3/1/02.]
