Ariz. Admin. Code § R11-1-1833 – Sampling of atmosphere and measurement of pressure | Midpage
R11-1-1833
Ariz. Admin. Code § R11-1-1833
Sampling of atmosphere and measurement of pressure
State Mine Inspector
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 measurement of the pressure behind such seals.