West Virginia Code Chapter 22A. Miners' Health, Safety and Training § 22A-2A-807. Records

(1) That a record be made of all tests, examinations and maintenance and repairs of diesel-powered equipment;

(2) That the person performing the test, examination, maintenance or repair certify by date, time, engine hour reading, and signature that the test, examination, maintenance, or repair was made;

(3) That records of tests and examinations include the specific results of such tests and examinations;

(4) That records of maintenance and repairs include a description of the work or service that was performed, and the results of any subsequently required emissions testing.