429Working environment

429 Working environment

(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.

(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.