{"data":{"id":"us/30-cfr-57.22212","jurisdiction":"us","citation":"30 CFR 57.22212","heading":"Air flow (I-C, II-A, and V-A mines).","body":"Air flow across each working face shall be sufficient to carry away any accumulation of methane, smoke, fumes, and dust.","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 T—Safety Standards for Methane in Metal and Nonmetal Mines"],"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":"55d5f7c76a28167d308e1c90c47e4e8e780e3484c29006fd73fafd31110307b6","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.22211","next":"us/30-cfr-57.22213"},"notice":"GroundRules: Original legal text. Not legal advice."}