(225 ILCS 705/31.05) (from Ch. 96 1/2, par. 3105)
Sec. 31.05.
If a split of air returning from active underground working
places in a mine contains more than 1.0% of methane as determined by a
permissible methane detector, a multi-gas detector, air
analysis, or other recognized means of accurately detecting such gas,
changes or adjustments shall be made at once in the ventilation in such
mine so that such returning air shall not contain more than 1.0% of
methane.
(Source: P.A. 99-538, eff. 1-1-17.)
|