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Safety: Carbon Monoxide Data
Effects of Carbon Monoxide (CO) Exposure
Just how sick someone gets from CO exposure varies greatly from person to person depending upon age, overall health and the length and concentration of exposure. Below is a general list of effects, provided by the National Fire Protection Association.
Concentration
(in parts per million) |
Symptoms |
| 100 |
Threshold limit value for no adverse effects, even with 6-8 hours of exposure. |
| 200 |
Possible, mild headache after 2-3 hours. |
| 400 |
Headache and nausia after 1-2 hours. |
| 800 |
Headache, nausia and dizziness after 45 minutes. Collapse and possible unconsciousness after 1 hour. |
| 1,000 |
Loss of consciousness after 1 hour. |
| 1,600 |
Headache, nausia and diziness after 20 minutes. |
| 3,200 |
Headache and diziness after 5-10 minutes. Unconsciousness after 30 minutes. |
| 6,400 |
Headache and diziness after 1-2 minutes. Unconsciousness and danger of death after 10-15 minutes. |
| 12,800 |
Immediate physiological effects; unconscious and danger of death after 1-3 minutes. |
If you experience symptoms that you think might be related to Carbon Monoxide CALL 9-1-1 IMMEDIATELY.
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