Levels of Carbon Monoxide...
Hazard:
Flamability: will explode; LEL 12.5%
Classification: Health: extremely toxic
Synonyms:
Carbon Oxide, Flue Gas, Monoxide
Symptoms
Sources of CO
Levels of CO
Free CO Info
What to Do IF Your CO Detector Activates

 Carbon monoxide is a colorless gas. To the human senses it is invisible. Carbon monoxide is a by-product of combustion and will appear naturally in any situation where burning has taken place.

Carbon monoxide is a highly toxic gas which is termed a toxic asphyxiant, meaning it reduces the oxygen transport properties of the blood. It reacts with the hemoglobin in the blood forming carboxyhemoglobin which prevents the hemoglobin from transferring oxygen. Low ppm doses of carbon monoxide can cause headaches and dizziness. If the victim is removed to fresh air no permanent damages will result. High doses can be fatal.

 Effects of Various CO Levels
PPM Resulting Conditions and Effects on Humans

50

 Permissible Exposure Level for 8 hours (OSHA)
200 Possible mild frontal headache in 2 to 3 hours.
395 Frontal headache and nausea after 1 to 2 hours. Occipital after 2-1/2 to 3-1/2 hours.
800 Headache, dizziness, and nausea in 45 minutes. Collapse and possible death in 2 hours
1600 Headache, dizziness, and nausea in 20 minutes. Collapse and death in 1 hour.
3200 Headache and dizziness in 5 to 10 minutes. Unconsciousness and danger of death in 30 minutes.
6395 Headache and dizziness in 1 to 2 minutes. Unconsciousness and danger of death in 10 to 15 minutes.
12,800 Immediate effects-unconsciousness. Danger of death in 1 to 3 minutes.
Source: American Industrial Hygiene Association
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