Arizona Administrative Code (Last Updated: November 17, 2016) |
Title 11. MINES |
Chapter 1. STATE MINE INSPECTOR |
Article 18. GASSY MINES |
Section R11-1-1807. Welding or cutting in atmospheres containing more than 1.0% of flammable gases
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Welding or cutting shall not be performed in atmospheres contain- ing more than 1.0% of flammable gases. The concentration of flam- mable gases is to be determined by a device (approved by the Inspector) other than a permissible flame safety lamp.