34 Pa. Code § 23.19
Current through Register Vol. 55, No. 1, January 4, 2025
Any part of each exhaust or ventilating fan which is within seven feet of the floor or a working platform shall be completely covered with wire mesh of not less than No. 16 gauge with openings not larger than 1/2 inch at their greatest dimension. This requirement does not apply to fans in drying rooms.
34 Pa. Code § 23.19