30 CFR § 77.1704
First aid training program; availability of instruction to all miners.
On or before December 30, 1971, each operator of a surface coal mine shall
make available to all miners employed in the mine a course of instruction in
first aid conducted by the operator or under the auspices of the operator,
and such a course of instruction shall be made available to newly employed
miners within 6 months after the date of employment.