Dangers of Carbon Monoxide

Carbon Monoxide (CO) Levels of Concern Health effects are related to the level of CO concentrations and length of exposure. New studies indicate that chronic, low level exposure can have serious health consequences.

CO Levels Effects *Varies based on age, sex, weight & overall health
12,800 PPM Death within 1 to 3 minutes*
1,600 PPM Nausea within 20 minutes, death within 1 hour*
800 PPM Nausea and convulsions, death within 2 hours*
400 PPM Frontal headaches 1 to 2 hours, life threatening after 3 hours*
50 PPM Maximum concentration for continuous exposure in any 8 hour period
9 PPM Acceptable level of CO in a living space
0 PPM Desirable level
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