Rule 953. A dry chemical extinguishing system shall not be installed to control a deep seated or burrowing fire in ordinary combustibles, or for the items prescribed in subdivisions (a) and (b) of R 408.10944.
Mich. Admin. Code R. 408.10953
Rule 953. A dry chemical extinguishing system shall not be installed to control a deep seated or burrowing fire in ordinary combustibles, or for the items prescribed in subdivisions (a) and (b) of R 408.10944.
Mich. Admin. Code R. 408.10953