US lawCaliforniaStatutesCode labDivision 5Part 9Chapter 37992Cal. LAB § 7992Cal. LAB § 7992Last amended: 1972Year: 2025Length: 24 wordsOfficial source The board shall determine qualifications for persons seeking an “explosive blaster’s license” and rules and regulations for use of explosives in tunnels or mines.PreviousCal. LAB § 7991NextCal. LAB § 7993