Cal/OSHA Mining and Tunneling Unit
Mining and Tunneling Van Nuys District Office. Matthew Switzer, Acting Senior Safety Engineer (Supervisory) 6150 Van Nuys Blvd., Room 310 Van Nuys, CA 91401 Phone: (818) Fax: (818) . To report a workrelated injury, illness, or fatality, if you cannot call, you may use email: caloshaaccidentreport For other matters, use