The West Virginia Office of Miners’ Health, Safety and Training’s (WVOMHST) rule is similar to Mine Safety and Health Administration’s. However, WVOMHST does require more training and has a 50 year age limit to initially become a mine rescue team member.
A more detailed spreadsheet is available at http://www.wvminesafety.org/PDFs/S.B.%20619%20%20Final.pdf.