CSA 4.9-1969 (R1999)

1.1 Scope This standard applies to newly produced boilers (see Definitions, Part III, Boiler) constructed entirely of new, unused parts and materials. (a) for use with natural gas (b) for use with manufactured gas (c) for use with mixed gas (d) for use with liquefied petroleum gases, or (e) for use with LP gas-air mixtures