W. Va. Code § 22A-2A-802: Training and qualification of persons working on diesel-powered equipment.

(a) Rules of the commission shall require that all maintenance, repairs, examinations and tests on diesel-powered equipment shall be performed by a person who, at a minimum, is trained and qualified in accordance with the provisions of part 75 of the code of federal regulations dealing with the training and qualification of persons working on diesel powered equipment, as set forth in 30 C.F.R. §75.1915, effective April 25, 1997.

(b) Rules of the commission shall require that the training and qualification program and record made available for inspection pursuant to the provisions of 30 C.F.R. §75.1915(c) be made available to the commission or its authorized representative.