State of CA Dept. of Industrial Relations (Cal/OSHA) California division of occupational safety and health Cal OSHA Cal OSHA California division of occupational safety and health Cal/OSHA Cal OSHA California division of occupational safety and health State Division of Occupational Safety and Health (DOSH) www.dir.ca.gov/DOSH California division of occupational safety and health California's workplace safety authorities. California division of occupational safety and health California's workplace safety authorities. www.dir.ca.gov/DOSH http://www.dir.ca.gov/DOSH/