29.21b Fire extinguishers; liquefied compressed gas, toxicity.
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29.21b Fire extinguishers; liquefied compressed gas, toxicity.
Sec. 21b.
Notwithstanding section 21a, a liquefied compressed gas extinguishing agent that meets both of the following conditions of toxicity and use may be used in properly engineered fire extinguishing or fire control systems:
(a)The agent in its normal state is not a prohibited agent or propellant under section 21a(1).
(b)The agent is used only under conditions approved by the national fire protection association and a nationally recognized independent testing laboratory that has considered the hazard of the thermal decomposition products and use approved by the bureau.
History: Add. 1970, Act 163, Imd. Eff. Aug. 2, 1970 ;-- Am. 2006, Act 189 , Imd. Eff. June 19, 2006
Compiler's Notes: For transfer of powers and duties of the state fire marshal division programs relative to fire extinguishing compound use approval from the department of state police to the department of consumer and industry services, see E.R.O. No. 1997-2, compiled at MCL 29.451 of the Michigan Compiled Laws.For transfer of certain authority, powers, functions, and responsibilities of the state fire marshal and the fire marshal division of the department of state police to the director of the department of labor and economic growth, bureau of construction codes and fire safety, by type II transfer, see E.R.O. No. 2003-1, compiled at MCL 445.2011.