(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.
(b) Rules of the commission shall specify the persons who are required to countersign records of tests, examinations, maintenance and repairs.
(c) Rules of the commission shall establish procedures and time periods for the retention of records and their availability for inspection by the commission and by miners and their representatives.