California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 14 - Petroleum Safety Orders-Drilling and Production
Article 6 - Fires and Explosions
Section 6521 - Hazardous Areas
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Before a source of ignition may be used in an area where flammable gases or vapors are likely to occur, a qualified person shall make a test by chemical analysis or with an approved device to determine if a flammable atmosphere exists.
(b) No source of ignition shall be permitted in an area where the content of flammable vapors or gases is greater than twenty percent (20%) of the lower explosive limit.
1. Amendment of subsection (a) and new NOTE filed 5-8-95; operative 6-7-95 (Register 95, No. 19).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.