Pennsylvania Statutes Title 52 P.S. Mines and Mining § 690-277. Approved lighting and gas detection devices in mines

(a) Lighting.--It shall be unlawful to use open lights in mines, and only approved electric cap lamps, approved flashlights, approved safety lamps and other approved lighting equipment shall be used in mines.

(b) Gas detection devices.--All approved gas detection devices used for examining mines shall be in the care of the mine foreman or some other competent individual appointed by the mine foreman, who shall have a duty to examine, test and deliver them in a safe condition to the individuals when entering the mine and to receive gas detection devices from the individuals when returning from work.

(c) Number of devices.--At every mine, a sufficient number of approved gas detection devices shall be kept in good condition for use in case of emergency.

(d) Entrusting of devices.--No approved gas detection devices shall be entrusted to any individual for use in a mine until the individual has given satisfactory evidence to the mine foreman that he understands the proper use of the gas detection device and the danger of tampering with the device.

(e) Duty to return device.--It shall be the duty of every individual who knows their approved gas detection device is defective to return it immediately to a mine official.