The Arizona Revised Statutes have been updated to include the revised sections from the 56th Legislature, 1st Regular Session. Please note that the next update of this compilation will not take place until after the conclusion of the 56th Legislature, 2nd Regular Session, which convenes in January 2024.
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This online version of the Arizona Revised Statutes is primarily maintained for legislative drafting purposes and reflects the version of law that is effective on January 1st of the year following the most recent legislative session. The official version of the Arizona Revised Statutes is published by Thomson Reuters.
27-365 - Regulation of underground use of internal combustion engines
27-365. Regulation of underground use of internal combustion engines
The underground use of any internal combustion engine is declared unlawful, unless after application filed with the inspector he approves the equipment for safe use in the type of underground work for which the application is filed and finds that the atmospheric conditions in the underground workings where the equipment is to be used are such that the operation of such equipment will not endanger the health or safety of any employee. If the application is approved by the inspector, the operation of the designated equipment shall be lawful only if and so long as it is operated and maintained in accordance with recommendations made public from time to time by the inspector, and only upon the condition that when air quality becomes unsafe operation of the equipment shall be stopped by the operator until air quality again becomes safe either by increasing ventilation or by correcting mechanical imperfections in the equipment, whichever is found to be the cause of the unsafe quality of the air.