30 CFR § 77.1705
First aid training program; retraining of supervisory employees; availability to all miners.
Beginning January 1, 1972, each operator of a surface coal mine shall conduct
refresher first aid training programs each calendar year for all selected
supervisory employees and make available refresher first aid training courses
to all miners employed in the mine.
[36 FR 9364, May 22, 1971, as amended at 36 FR 13143, July 15, 1971]