![]() yellow or orange flames where there should normally be blue ones.Paint fumes - Fumes from cleaning fluids and paint removers that contain methylene chloride (dichloromethane) can also cause CO poisoningĭanger signs that CO may be leaking include:.Old appliances that have not been serviced or looked after properly.Running engines such as cars or lawnmowers in garages.Poor or improper installation or use of appliances - such as cooking and heating devices.Blocked chimneys or flues - birds nests, fallen bricks, growing vegetation, bad DIY.Badly ventilated rooms - sealed windows, no air bricks.Heating appliance not maintained or serviced.Faulty or damaged appliances - heating or cooking.Enclosed or unventilated spaces - burning fuel in an enclosed or unventilated space, where there are no air vents, windows or doors left open or ajar.Using cooking appliances for heating purposes.Indoor use of a barbecue grill or outdoor heater.The build-up of carbon monoxide can also be as a result of any of the following: ![]() Other ways that carbon monoxide can build up If the fuel in these appliances does not burn fully, carbon monoxide (CO) gas is produced. Gas, oil, coal and wood are all fuel sources that are used in many household appliances, including: Following a build-up of carbon dioxide in the air, the fuel is prevented from burning fully and it starts to release carbon monoxide. When a fire burns in an enclosed room, the oxygen in the room is gradually used up and replaced with carbon dioxide. This also means that it is easy to inhale without realising.Ĭarbon monoxide is produced when fuels such as gas, oil, coal and wood do not burn fully. How is carbon monoxide produced?Ĭarbon monoxide is hard to detect because it has no smell, taste or colour. It has no smell or taste, and, in large quantities, it can kill very quickly. All rights reserved.Carbon monoxide (CO) poisoning can be fatal or cause permanent damage to your health.ĬO is produced when carbon fuels don't burn completely. It would be reasonable to place a residential CO alarm at any height within the room.Ĭopyright © 2012 Elsevier Inc. Mixing would be even faster in the home environment, with drafts due to motion or temperature. It took longer to equalize when CO was infused at the top of the chamber than the bottom, but levels always became identical with time.Īs would have been predicted by the Second Law of Thermodynamics, CO infused anywhere within the chamber diffused until it was of equal concentration throughout. In each case, the levels of CO equalized throughout the test chamber. CO test gas (15 L, 3000 parts per million) was infused at each of the three heights in different trials and CO levels measured over time.Ĭontrary to a significant amount of public opinion, CO did not layer on the floor, float at the middle of the chamber, or rise to the top. An 8-foot-tall airtight Plexiglas chamber was constructed and CO monitors placed within at the top, middle, and bottom. It was the goal of this study to demonstrate the behavior of CO in air and to help provide a data-based recommendation for CO alarm placement.ĬO was calculated to be slightly lighter than air. Interestingly, there seems to be confusion about the optimal placement, if any, of CO alarms inside the home. Numerous states and localities have recently passed legislation mandating the installation and use of residential carbon monoxide (CO) detectors/alarms.
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