- (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.
Source
The provisions of this § 35.84 amended August 31, 1979, effective September 1, 1979, 9 Pa.B. 2935. Immediately preceding text appears at serial page (8658).