30 C.F.R. § 72.100
(a) Each operator of a coal mine shall provide to each miner periodic examinations including chest x-rays, spirometry, symptom assessment, and occupational history at a frequency specified in this section and at no cost to the miner.
(c) Mandatory examinations. For each miner who begins work at a coal mine for the first time, the operator shall provide examinations specified in § 72.100(a) as follows: