{"data":{"id":"us/30-cfr-77.1909","jurisdiction":"us","citation":"30 CFR 77.1909","heading":"Explosives and blasting; use of permissible explosives and shot-firing units.","body":"Except as provided in § 77.1909-1, only permissible explosives and permissible shot-firing units shall be used in sinking shafts and slopes.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","Subpart T—Slope and Shaft Sinking"],"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":"a6f99b8ab001f12c3e3777df39105264d169a756b0787e1eed8e2f6931af5907","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-77.1908-1","next":"us/30-cfr-77.1909-1"},"notice":"GroundRules: Original legal text. Not legal advice."}