Statutes, codes, and regulations
Arizona Administrative Code
Title 11 - MINESChapter 1 - STATE MINE INSPECTOR
Article 4 - AIR QUALITY, VENTILATION AND RADIATION, AND PHYSICAL AGENTS
Section R11-1-407 - Air Quality at Underground Working Places

Ariz. Admin. Code § 11-1-407

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Current through Register Vol. 30, No. 50, December 13, 2024
Section R11-1-407 - Air Quality at Underground Working Places

Air at all active underground working places shall contain at least 19.5 volume percent oxygen.

Ariz. Admin. Code § R11-1-407

Adopted effective April 7, 1976 (Supp. 76-2). Former Section R11-1-407 repealed, new Section R11-1-407 adopted effective August 18, 1980 (Supp. 80-4).