California · Labor Code
LAB §7984: In any tunnel or underground mine classified extrahazardous a device or devices which automatically and continuously test the atmosphere for gases or vapors shall be maintained.
Read the full statutory text
In any tunnel or underground mine classified extrahazardous a device or devices which automatically and continuously test the atmosphere for gases or vapors shall be maintained. Such device or devices shall be placed as near the face or area of operation as practical, but never more than 50 feet from such point. The division shall determine if additional monitors are necessary and where they should be located. This requirement shall apply only to tunnels or underground mines where excavation of material is by mechanical means.
Verify at the official source: California legislative text
Facing this? Know exactly what happens next.
MOFRD turns this code section into your situation: the deadlines that apply to you, the forms your county uses, and the resolution paths people in your position actually take. Free for 3 days — no card required.
This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.