Western Australian Consolidated Regulations Western Australian Consolidated Regulations (1) Each responsible
person at a mine must ensure that adequate precautions are taken to monitor,
and control the risk from, the formation or emission of toxic, asphyxiant and
explosive gases in the mine.
Penalty: See regulation 17.1.
(2) If gases such as
hydrogen cyanide, hydrocarbons, carbon dioxide, radon, sulphur dioxide,
hydrogen sulphide, carbon monoxide, or methane are likely, suspected or known
to be generated or emitted in a mine, the manager of the mine must ensure that
the district inspector and employees at the mine are notified of the
precautions that have been taken to monitor, and control the risks from, those
gases.
Penalty: See regulation 17.1.
(3) The manager of an
underground mine must ensure that, in any workplace in that mine, the
atmosphere does not contain more than 12500 ppm, or 1.25% by volume, of
methane.
Penalty: See regulation 17.1.
(4) If in any
operation at a mine toxic, asphyxiant or explosive gas is emitted into the
atmosphere in any travelway or other workplace, the manager of the mine must
ensure that, where practicable, a monitoring device or monitoring devices are
installed in the mine to give adequate warning of when the peak or STEL
level of gas concentration is being approached.
(5) If any monitoring
device is installed as provided in subregulation (4), the manager of the
mine must ensure that adequate notices are erected in or about the mine
informing persons of —
(a) the
meaning of the warnings given by the device; and
(b) what
action is required to be taken in the event of any such warning being given by
the device.
Penalty: See regulation 17.1.