30 CFR § 49.15
Mine rescue station.
(a) Every operator of an underground mine shall designate, in
advance, the location of the mine rescue station serving the mine.
(b) Mine rescue stations are to provide a centralized storage
location for rescue equipment. This centralized storage location may be
either at the mine site, affiliated mines, or a separate mine rescue
(c) Mine rescue stations shall provide a proper storage environment
to assure equipment readiness for immediate use.
(d) Authorized representatives of the Secretary shall have the
right of entry to inspect any designated mine rescue station.