Section 6521 - Hazardous Areas(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.Cal. Code Regs. Tit. 8, § 6521
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.
1. Amendment of subsection (a) and new Note filed 5-8-95; operative 6-7-95 (Register 95, No. 19).