If diesel equipment other than that approved by U.S. Bureau of Mines is utilized, 150 C.F.M. per brake horsepower is the required ventilating air for safe operation.
Ariz. Admin. Code § R11-1-429
If diesel equipment other than that approved by U.S. Bureau of Mines is utilized, 150 C.F.M. per brake horsepower is the required ventilating air for safe operation.
Ariz. Admin. Code § R11-1-429