506474
 

 

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.