Healh effects of carbon monoxide..

Health effects of carbon monoxide

It doesn’t take much CO to cause problems. Below is a table outlining the general effects of carbon monoxide on healthy adults. Individual susceptibility will vary.

PPM CO in air	Percent CO in air	Symptoms experienced by healthy adults	Comments
Less than 35 ppm	0.0035%	No effect in healthy adults	35 ppm is WISHA 8-hour average permissible limit
100 ppm	0.01 %	Slight headache, fatigue, shortness of breath, errors in judgment
200 ppm	0.02%	Headache, fatigue, nausea, dizziness	200 ppm is Short Term Exposure Limit (STEL)
400 ppm	0.04%	Severe headache, fatigue, nausea, dizziness, confusion, can be life-threatening after 3 hours of exposure
800 ppm	0.08%	Headache, confusion, collapse, death if exposure is prolonged
1500 ppm	0.15%	Headache, dizziness, nausea, convulsions, collapse, death within 1 hour	Levels greater than 1500 ppm are considered “immediately dangerous to life or health” (IDLH). This is the ceiling limit.
3000 ppm	0.3%	Death within 30 minutes
6000 ppm	0.6%	Death within 10-15 minutes
12,000 ppm	1.2%	Nearly instant death

ppm = parts per million

http://www.lni.wa.gov/Safety/Topics/AtoZ/CarbonMonoxide/