{"data":{"id":"us/30-cfr-appendix-i-to-subpart-t-of-part-57","jurisdiction":"us","citation":"30 CFR Appendix I to Subpart T of Part 57","heading":"Appendix I to Subpart T of Part 57—Standard Applicability by Category or Subcategory","body":"Subcategory I-A\n57.22101\n57.22103\n57.22201\n57.22202\n57.22204\n57.22205\n57.22206\n57.22207\n57.22208\n57.22211\n57.22214\n57.22215\n57.22217\n57.22220\n57.22221\n57.22222\n57.22224\n57.22227\n57.22228\n57.22229\n57.22234\n57.22237\n57.22301\n57.22302\n57.22306\n57.22401\n57.22501\n57.22601\n57.22608\nSubcategory I-B\n57.22201\n57.22202\n57.22217\n57.22222\n57.22227\n57.22231\n57.22232\n57.22234\n57.22238\n57.22401\n57.22501\nSubcategory I-C\n57.22102\n57.22104\n57.22106\n57.22201\n57.22202\n57.22203\n57.22209\n57.22210\n57.22212\n57.22216\n57.22217\n57.22222\n57.22225\n57.22227\n57.22228\n57.22233\n57.22235\n57.22241\n57.22303\n57.22310\n57.22313\n57.22501\n57.22602\nSubcategory II-A\n57.22101\n57.22103\n57.22201\n57.22202\n57.22204\n57.22205\n57.22206\n57.22207\n57.22208\n57.22212\n57.22214\n57.22215\n57.22219\n57.22220\n57.22221\n57.22222\n57.22227\n57.22228\n57.22230\n57.22232\n57.22235\n57.22301\n57.22304\n57.22307\n57.22311\n57.22312\n57.22501\n57.22603\n57.22608\nSubcategory II-B\n57.22201\n57.22227\n57.22231\n57.22232\n57.22235\n57.22238\n57.22501\n57.22604\nCategory III\n57.22101\n57.22103\n57.22201\n57.22202\n57.22204\n57.22205\n57.22206\n57.22207\n57.22208\n57.22213\n57.22214\n57.22215\n57.22218\n57.22220\n57.22221\n57.22222\n57.22223\n57.22224\n57.22227\n57.22228\n57.22229\n57.22234\n57.22237\n57.22305\n57.22308\n57.22501\n57.22606\n57.22607\nCategory IV\n57.22105\n57.22201\n57.22226\n57.22227\n57.22232\n57.22235\n57.22239\n57.22501\nSubcategory V-A\n57.22101\n57.22103\n57.22201\n57.22202\n57.22204\n57.22205\n57.22206\n57.22207\n57.22208\n57.22212\n57.22214\n57.22215\n57.22218\n57.22220\n57.22221\n57.22222\n57.22227\n57.22228\n57.22229\n57.22234\n57.22240\n57.22301\n57.22302\n57.22309\n57.22312\n57.22314\n57.22315\n57.22501\n57.22605\n57.22608\nSubcategory V-B\n57.22201\n57.22202\n57.22218\n57.22222\n57.22227\n57.22231\n57.22232\n57.22234\n57.22238\n57.22314\n57.22501\nCategory VI\n57.22231\n57.22232\n57.22236\n57.22238","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":"be57609e35ebb7819277a8da7194e482153b7ee8f48f10d19d0ce0b8f7a8c0be","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.22608","next":"us/30-cfr-57.23000"},"notice":"GroundRules: Original legal text. Not legal advice."}