Part 2 of 4 – Carbon Monoxide Detectors

Potential Sources of Carbon Monoxide

Any fuel-burning appliances which are malfunctioning or improperly installed can be a source of CO, such as:
  • furnaces;
  • stoves and ovens;
  • water heaters; Cars should never be left running in a garage
  • dryers;
  • room and space heaters;
  • fireplaces and wood stoves;
  • charcoal grills;
  • automobiles;
  • clogged chimneys or flues;
  • space heaters;
  • power tools that run on fuel;
  • gas and charcoal grills;
  • certain types of swimming pool heaters; and
  • boat engines.

 

PPM % CO
in air
Health Effects in Healthy Adults Source/Comments
0 0% no effects; this is the normal level in a properly operating heating appliance
35 0.0035% maximum allowable workplace exposure limit for an eight-hour work shift The National Institute for Occupational Safety and Health (NIOSH)
50 0.005% maximum allowable workplace exposure limit for an eight-hour work shift               OSHA
100 0.01% slight headache, fatigue, shortness of breath,
errors in judgment
125 0.0125% workplace alarm must sound (OSHA)
200 0.02% headache, fatigue,
nausea, dizziness
400 0.04% severe headache, fatigue, nausea, dizziness, confusion; can be life-threatening after three hours of exposure evacuate area immediately
800 0.08% convulsions, loss of consciousness;
death within three hours
evacuate area immediately
12,000 1.2% nearly instant death

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Part 1 of 4 – Carbon Monoxide Detectors

CarbonMonoxideDetector
Carbon monoxide (CO) is a colorless, odorless, poisonous gas that forms from incomplete combustion of fuels, such as natural or liquefied petroleum gas, oil, wood or coal.

Facts and Figures

  • 480 U.S. residents died between 2001 and 2003 from non-fire-related carbon-monoxide poisoning.
  • Most CO exposures occur during the winter months, especially in December (including 56 deaths, and 2,157 non-fatal exposures), and in January (including 69 deaths and 2,511 non-fatal exposures). The peak time of day for CO exposure is between 6 and 10 p.m.
  • Many experts believe that CO poisoning statistics understate the problem. Because the symptoms of CO poisoning mimic a range of common health ailments, it is likely that a large number of mild to mid-level exposures are never identified, diagnosed, or accounted for in any way in carbon monoxide statistics.
  • Out of all reported non-fire carbon-monoxide incidents, 89% or almost nine out of 10 of them take place in a home.

Physiology of Carbon Monoxide Poisoning

When CO is inhaled, it displaces the oxygen that would ordinarily bind with hemoglobin, a process the effectively suffocates the body. CO can poison slowly over a period of several hours, even in low concentrations. Sensitive organs, such as the brain, heart and lungs, suffer the most from a lack of oxygen.

High concentrations of carbon monoxide can kill in less than five minutes. At low concentrations, it will require a longer period of time to affect the body. Exceeding the EPA concentration of 9 parts per million (ppm) for more than eight hours may have adverse health affects. The limit of CO exposure for healthy workers, as prescribed by the U.S. Occupational Health and Safety Administration, is 50 ppm.
If you don’t have a CO detector in your home, please pick one up today.  They are more affordable and readily available then ever before.  Many smoke alarms are also CO detectors so read the label.
Scott Price, CPI, #1532
Certified Home Inspector
Home Run Inspections
405-905-9175
homeruninspections@icloud.com

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