WAC 296-52-64035. List B qualifications

To be considered for a blaster's license, which includes one or more List B classifications, the applicant must meet one of the following requirements listed below: (1) Eighteen months of documented blasting experience which includes a minimum of twelve months of documented experience in List A and six months documented blasting experience in each classification being applied for in List B; (2) Twelve months of documented blasting experience in the past six years in the specific classification being applied for in List B. Note: Up to eighty hours of classroom training may be substituted for experience.