30 CFR § 49.6
Equipment and maintenance requirements.
(a) Each mine rescue station shall be provided with at least the
following equipment:
(1) Twelve self-contained oxygen breathing apparatus, each
with a minimum of 2 hours capacity (approved by MSHA and NIOSH under 42 CFR
part 84, subpart H), and any necessary equipment for testing such breathing
apparatus;
(2) A portable supply of liquid air, liquid oxygen,
pressurized oxygen, oxygen generating or carbon dioxide absorbant chemicals,
as applicable to the supplied breathing apparatus and sufficient to sustain
each team for six hours while using the breathing apparatus during rescue
operations;
(3) One extra oxygen bottle (fully charged) for every six
self-contained compressed oxygen breathing apparatus;
(4) One oxygen pump or a cascading system, compatible with
the supplied breathing apparatus;
(5) Twelve permissible cap lamps and a charging rack;
(6) Two gas detectors appropriate for each type of gas
which may be encountered at the mines served;
(7) Two oxygen indicators or two flame safety lamps;
(8) One portable mine rescue communication system
(approved under part 23 of this title) or a sound-powered communication
system. The wires or cable to the communication system shall be of sufficient
tensile strength to be used as a manual communication system. These
communication systems shall be at least 1,000 feet in length; and
(9) Necessary spare parts and tools for repairing the
breathing apparatus and communication system.
(b) Mine rescue apparatus and equipment shall be maintained in a
manner that will ensure readiness for immediate use. A person trained in the
use and care of breathing apparatus shall inspect and test the apparatus at
intervals not exceeding 30 days and shall certify by signature and date that
the inspections and tests were done. When the inspection indicates that a
corrective action is necessary, the corrective action shall be made and the
person shall record the corrective action taken. The certification and the
record of corrective action shall be maintained at the mine rescue station
for a period of one year and made available on request to an authorized
representative of the Secretary.
[45 FR 47002, July 11, 1980, as amended at 56 FR 1478, Jan. 14, 1991; 60 FR 30398, June 8, 1995]
For more information : See MSHA's Program Policy Manual