Act, as used in this part, means the Federal Mine Safety and Health Act of 1977, as amended (30 U.S.C. 801 et seq.).

Secretary means the Secretary of Health and Human Services and any other officer or empolyee of the Department of Health and Human Services to whom the authority involved has been delegated.

Miner or coal miner means any individual who works or has worked in or around a coal mine or coal preparation facility in the extraction or preparation of coal. The term also includes an individual who works or has worked in coal mine construction or transportation in or around a coal mine, to the extent that the individual was exposed to coal dust as a result of employment.