Rule 715. The discharge of an exhaust pipe or boiler blowoff, if exposed to contact, shall be guarded pursuant to R 408.10751 to R 408.10754.
Mich. Admin. Code R. 408.10715
Rule 715. The discharge of an exhaust pipe or boiler blowoff, if exposed to contact, shall be guarded pursuant to R 408.10751 to R 408.10754.
Mich. Admin. Code R. 408.10715