Arizona Administrative Code (Last Updated: November 17, 2016) |
Title 11. MINES |
Chapter 1. STATE MINE INSPECTOR |
Article 18. GASSY MINES |
Section R11-1-1833. Sampling of atmosphere and measurement of pressure
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One or more seals of every sealed area shall be fitted with a pipe and a valve or cap to permit sampling of the atmosphere and mea- surement of the pressure behind such seals.