Mich. Comp. Laws § 29.21b

This is the official text of Mich. Comp. Laws § 29.21b, part of Michigan’s Comp. Laws — part of the compiled statutory law of Michigan, published by the state as "Comp. Laws." Browse the sections below, each linked to its official government source.

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Fire extinguishers; liquefied compressed gas, toxicity.

Official statutory text

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

Status: in_force · Read it on the official government site

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About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.