Section 29.21a - Fire extinguishers or fire extinguishing devices(1) Except as provided in subsection (2), a person shall not sell, give, offer for sale, install for use, or allow to remain installed for use a fire extinguisher or fire extinguishing device containing an active agent having a level of vapor toxicity equal to or greater than any of the following listed materials, or a fire extinguisher or fire extinguishing device containing an active agent or propellant whose thermal decomposition product or products have a level of vapor toxicity equal to or greater than any of the following listed materials: (a) Carbon tetrachloride, CCl4(b) Chlorobromomethane, CH2 BrC l(c) Azeotropic chlormethane, CM-7(d) Dibromodifluoromethane, CBr2 F2(e) 1,2-dibromo-2-chloro-1,1,2-trifluoroethane, CBr-F2 CBrClF(f) 1,2-dibromo-2,2-difluoroethane, CH2BrCBrF 2(g) Methyl bromide, CH3 Br(h) Ethylene dibromide, CH2 BrCH2 Br(i) Hydrogen bromide, HBr(j) Methylene bromide, CH2Br2(k) Bromodifluoromethane, CHBrF2(2) A person may sell, give, offer for sale, install for use or allow to remain installed for use, a fire extinguisher or fire extinguisher device which contains, in addition to an inert propellant, bromotrifluoromethane or bromochlorodifluoromethane, or a combination of bromotrifluoromethane and bromochlorodifluoromethane.Add. 1961, Act 102, Eff. 9/8/1961 ;--Am. 1967, Act 106, Eff. 8/1/1967 ;--Am. 1968, Act 321, Imd. Eff. 7/3/1968 ;--Am. 1983, Act 93, Imd. Eff. 6/17/1983.