{"data":{"id":"us/30-cfr-57.6161","jurisdiction":"us","citation":"30 CFR 57.6161","heading":"Auxiliary facilities.","body":"(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.\n(b) The auxiliary facilities shall be—\n(1) Constructed of nonsparking material on the inside when used for the storage of explosives;\n(2) Kept clean, suitably dry, and orderly;\n(3) Kept in repair;\n(4) Located out of the line of blasts so they will not be subjected to damaging shock or flyrock;\n(5) Identified with warning signs or coded to indicate the contents with markings visible from any approach;\n(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;\n(7) Filled with no more than a one-week supply of explosive material;\n(8) Separated by at least 25 feet from other facilities used to store detonators; and\n(9) Kept securely locked unless all access to the mine is either locked or attended.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart E—Explosives"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"b2497c7cf01935b2055b480c1dc4294ab18847279f009dfb18abd02e280909d6","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.6160","next":"us/30-cfr-57.6200"},"notice":"GroundRules: Original legal text. Not legal advice."}