Any person ordered by the mine foreman to withdraw from the mine because of the interruption of the ventilation shall not re-enter the mine until permission to do so has been granted after a thorough inspection has been made and the mine is found to be in a good and safe condition by the mine foreman.
Entry into mine after interruption of ventilation
Ohio Rev. Code Ann. § 1567.14, under Chapter 1567 | Mine Equipment; Safety Provisions.
Ohio Rev. Code Ann. § 1567.14