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Subchapter 17. Mine Safety Orders
Article 32. Gases in Mines
§7106. (21-2)-(21-100). Gassy Mine Operation.
Gassy mines shall be operated in accordance with all mandatory U.S. Bureau of Mines Health and Safety Standards for Metal and Nonmetallic Underground Gassy Mines, published July 31, 1969, February 25, 1970, and December 8, 1970.
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