The lowest temperature of a substance at which it spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark. If aldehydes are present, there is a strong possibility carbon monoxide is also being produced. Aldehydes can produce a sharp, metallic taste in the mouth, and irritate the eyes and mucous membranes. DEFINITIONS AldehydesĪ class of gases formed by incomplete combustion of hydrocarbons. It may not be reproduced or redistributed without the prior written permission of Technical Safety BC. This material is owned by Technical Safety BC and protected by copyright law. Appendix “C” - Suggested Checklist for Depressurization.Appendix “B” - Suggested Method to Inspect the Heat Exchanger of a Residential Furnace.Appendix “A”- Selected Canadian Gas Appliance Standards.
Investigating Ambient Carbon Monoxide Causes.Carbon Monoxide Levels – Ambient and Flue Gas.Factors Affecting Carbon Monoxide Absorption.Along with suggested action guidelines, it also provides the reader with an understanding of the operation of related measuring equipment. SCOPE This manual will address both the presence of CO contained within the combustion system, and its presence outside the combustion system which may be due to incorrect installation or maintenance, component failure, or external factors such as exhaust fans or air handling equipment.
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