• Department of Industrial Relations, Enforcement Branch, Region 5

    John Leahy, Principal Safety Engineer
    2424 Arden Way, Suite 320
    Sacramento, CA 85825

    Phone: 916.574.2540, 530.895.6938
    Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
    Website: www.dir.ca.gov/dosh/mining-and-tunneling-unit.html