The Division of Occupational Safety and Health (DOSH), better known as Cal/OSHA, protects workers from health and safety hazards on the job in almost every workplace in California through its research and standards, enforcement, and consultation programs.
Approvals and Certifications. Equipment from Catalytic Exhaust Products Limited is approved or certified company. CAL/OSHA. The State of California has operated an occupational safety and health program, under an agreement with USA OSHA, since 1973.