75.1902—Underground diesel fuel storage—general requirements.
(2)
Diesel fuel tanks on diesel fuel transportation units in permanent underground diesel fuel storage facilities or in temporary underground fuel storage areas; or
(b)
The total capacity of stationary diesel fuel tanks in permanent underground diesel fuel storage facilities must not exceed 1000 gallons.
(c)
(1)
Only one temporary underground diesel fuel storage area is permitted for each working section or in each area of the mine where equipment is being installed or removed.
(3)
No more than one diesel fuel transportation unit at a time shall be parked in the temporary underground diesel fuel storage area.
(d)
Permanent underground diesel fuel storage facilities and temporary underground diesel fuel storage areas must be—
(2)
At least 25 feet from trolley wires or power cables, or electric equipment not necessary for the operation of the storage facilities or areas; and
(e)
Permanent underground diesel fuel storage facilities must not be located within the primary escapeway.