Carbon monoxide detectors covered by these requirements are designed to respond to the presence of carbon monoxide released by sources such as, but not limited to, internal combustion engine exhaust and decomposing gases.
CSA 6.19-M93-CAN/CGA-1993 history
1993CSA 6.19-M93-CAN/CGA-1993 Residential Carbon Monoxide Detector.Modification No 1: Septembre 1999