{"data":{"id":"us/30-cfr-57.6301","jurisdiction":"us","citation":"30 CFR 57.6301","heading":"Blasthole obstruction check.","body":"Before loading, blastholes shall be checked and, wherever possible, cleared of obstructions.","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":"35e9f6c0966126a24155cb6b0a1c3d44742410a967d963b2017700f5c62a875c","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.6300","next":"us/30-cfr-57.6302"},"notice":"GroundRules: Original legal text. Not legal advice."}