Depends on Concentra: Tion. Symptoms and signs of carbon monoxide poisoning depend on the concentration of the gas in inhaled air and length of exposure. At a concentration of 4000 parts per million, it is lethal in 30 minutes.
Answered 5/10/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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