A miner after firing a shot shall not leave the mine until he has determined whether or not such shot has misfired. If a shot misfires, such miner shall so report to the foreman in charge of the section in which he works before he leaves the mine.
Misfired shots
Ohio Rev. Code Ann. § 1567.32, under Chapter 1567 | Mine Equipment; Safety Provisions.
Ohio Rev. Code Ann. § 1567.32