Current through Register Vol. 55, No. 1, January 4, 2025
(a) Fans shall be constructed of noncombustible material. Fan blades shall be constructed of material which does not create sparks when struck by other objects.(b) It is recommended that fans be capable of moving the air at all times past the working face of the booth toward the fan at a speed of not less than 100 lineal feet per minute for conventional spray and 60 feet per minute for electrostatic spray, as measured by a vane anemometer.The provisions of this § 35.84 amended August 31, 1979, effective 9/1/1979, 9 Pa.B. 2935.