{"data":{"id":"us/30-cfr-75.1319","jurisdiction":"us","citation":"30 CFR 75.1319","heading":"Weight of explosives permitted in boreholes in bituminous and lignite mines.","body":"(a) The total weight of explosives loaded in any borehole in bituminous and lignite mines shall not exceed 3 pounds except when blasting solid rock in its natural deposit.\n(b) The total weight of explosives loaded in a borehole less than 6 feet deep in bituminous and lignite mines shall be reduced by 1/2 pound for each foot of borehole less than 6 feet.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES","Subpart N—Explosives and Blasting"],"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":"d9c989690ef981949c1e09c85007f91c44698044a582035e0311746b68e7df22","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.1318","next":"us/30-cfr-75.1320"},"notice":"GroundRules: Original legal text. Not legal advice."}