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Carbon
Monoxide CO
Carbon
Monoxide is produced when incomplete combustion of gas takes place.
It is colourless, has no smell or taste, is not irritant, BUT it can kill.
% CO in
the room
|
CO ppm
|
Effects on adults
|
0.01 |
100 |
Slight headache in 2-3 hours |
0.02 |
200 |
Mild headache, nausea, tiredness in 2-3 hours |
0.04 |
400 |
Frontal headache, nausea in 1-2 hours. Risk
to life after 3 hours |
0.08 |
800 |
Severe headaches, dizziness, convulsions within
45 mins. Possible death in 2-3 hours |
0.16 |
1600 |
Headaches, dizziness, nausea within 20 mins.
Possible death in 1-2 hours |
0.32 |
3200 |
Headaches, dizziness, nauseas within 5-10 mins.
Possible death after 15 mins |
0.64 |
6400 |
Severe symptoms in 1-2 minutes; death within
15 mins |
1.28 |
12800 |
Immediate symptoms; death within 1-2 minutes |
Victims
should be removed from the contaminated area, given oxygen to breathe,
and must be made to rest - unnecessary exertion could be fatal.
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