{"data":{"id":"us/30-cfr-75.400-1","jurisdiction":"us","citation":"30 CFR 75.400-1","heading":"-1 Definitions.","body":"(a) The term coal dust means particles of coal that can pass a No. 20 sieve.\n(b) The term float coal dust means the coal dust consisting of particles of coal that can pass a No. 200 sieve.\n(c) The term loose coal means coal fragments larger in size than coal dust.","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 E—Combustible Materials and Rock Dusting"],"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":"0d74f0478225ad6745b3aa3be6b3a728a34db6404a00fc76806476c6ea393654","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-75.400","next":"us/30-cfr-75.400-2"},"notice":"GroundRules: Original legal text. Not legal advice."}