30 C.F.R. § 57.6161 Auxiliary facilities.
Title 30 - Mineral Resources
(a) Auxiliary facilities used to store explosive material near work places shall be wooden, box-type containers equipped with covers or doors, or facilities constructed or mined-out to provide equivalent impact resistance and confinement. (b) The auxiliary facilities shall be— (1) Constructed of nonsparking material on the inside when used for the storage of explosives; (2) Kept clean, suitably dry, and orderly; (3) Kept in repair; (4) Located out of the line of blasts so they will not be subjected to damaging shock or flyrock; (5) Identified with warning signs or coded to indicate the contents with markings visible from any approach; (6) Located at least 15 feet from all haulageways and electrical equipment, or placed entirely within a mined-out recess in the rib used exclusively for explosive material; (7) Filled with no more than a one-week supply of explosive material; (8) Separated by at least 25 feet from other facilities used to store detonators; and (9) Kept securely locked unless all access to the mine is either locked or attended.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart E—Explosives
Storage—Underground Only
§ 57.6161 Auxiliary facilities.
