1. The operator of every underground mine except coal mines shall provide and maintain an air current sufficient to remove smoke and noxious gases and to insure the health and safety of every employee.

2. The ventilation required by this section shall be controlled by natural or mechanical appliances; or both if the director deems it to be necessary.

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Terms Used In Missouri Laws 293.550

  • Director: the director of the division of mine inspection of the state of Missouri. See Missouri Laws 293.010
  • Operator: the person, firm, or body corporate who or which is the immediate proprietor, as owner or lessee, of the mine and, as such, responsible for the condition and management thereof. See Missouri Laws 293.010