Arizona Administrative Code (Last Updated: November 17, 2016) |
Title 11. MINES |
Chapter 1. STATE MINE INSPECTOR |
Article 4. AIR QUALITY, VENTILATION AND RADIATION, AND PHYSICAL AGENTS |
Section R11-1-422. Underground diesel-powered equipment -- toxic gas diluting device
Latest version.
All data is extracted from pdf, click here to view the pdf.
-
Underground diesel-powered equipment shall be equipped with a stainless steel exhaust system including conditioner and satisfactory diluting device, which will reduce toxic gases to a minimum before they are released into the mine atmosphere. (Except if limestone and water are used, scrubbers may be carbon steel.)