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S-2.1, r. 14 - Regulation respecting occupational health and safety in mines
Section 103.3
Disposition versions
103.3. The concentration of carbon monoxide in the undiluted exhaust gases of underground diesel engines shall be measured when the engines are first put into operation and thereafter at least every 300 hours of operation or at least every 6 months, whichever event occurs first.
The results of these measurements shall be entered in the register provided for in section 103.
