(1) The operator of a prescribed mine must ensure that—
(a) the air throughout the mine where persons work or travel, or areas of the mine where a person may work or travel, is maintained at a safe level; and
(b) the atmosphere is subject to controls that prevent thermal stress; and
(c) the moisture content of the atmosphere is maintained at a level that enables work to be performed safely; and
(d) lighting within the mine is sufficient to enable work to be performed safely.
Note
Act compliance—sections 21, 23 and 26 (see regulation 7).
(2) Without limiting subregulation (1)(a), the air is at a safe level if the air—
(a) contains a safe oxygen level; and
(b) does not contain a harmful level of any contaminant or impurity, including a concentration of any hazardous substance that is above the exposure standard (if any) for that hazardous substance or any or all of its ingredients.