{"data":{"id":"us/30-cfr-57.6300","jurisdiction":"us","citation":"30 CFR 57.6300","heading":"Control of blasting operations.","body":"(a) Only persons trained and experienced in the handling and use of explosive material shall direct blasting operations and related activities.\n(b) Trainees and inexperienced persons shall work only in the immediate presence of persons trained and experienced in the handling and use of explosive material.","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":"513438155a8e37be022f82c98ea696b4fb03d6199774cfe6b15fc9558e59184c","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.6205","next":"us/30-cfr-57.6301"},"notice":"GroundRules: Original legal text. Not legal advice."}