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Ariz. Admin. Code § R11-1-1842 – Stoppings airtight | Midpage
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Arizona Administrative Code
Title 11
1
18
R11-1-1842
Ariz. Admin. Code § R11-1-1842
Stoppings airtight
State Mine Inspector
Stoppings should be reasonably airtight.
Historical Note
Former Rule 18:42.