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(a) Flammable vapors shall be controlled so as to avoid hazard to workers.
(b) No source of ignition such as smoking, gas pilot lights, or operating electrical equipment, other than explosion-proof or equivalent, shall be allowed in a room or building when hazardous concentrations of flammable vapors are present.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 12-13-84; effective thirtieth day thereafter (Register 84, No. 50).