California's Division of Occupational Safety and Health (DOSH), more commonly known as Cal/OSHA, sets and enforces standards pertaining to confined spaces. Regulations regarding confined space training can be found in Title 8 of California's Code of Regulations (CCR), in Section 5157 and Section 5158.

Introduction to Cal/OSHA Confined Spaces Safety

• Cal/OSHA Confined Spaces State Plan
• Key Terms
• Confined Spaces Fatality Statistics