These values are based on known environmental and health standards:
WARNING!
Effects vary depending on size, age, sex and health - we are not liable
for the accuracy of the information.
ZERO concentration of CO in air is your objective.
Concentration
of CO in air
Inhalation Times and Toxic Symptoms
10ppm Maximum allowable concentration for an 8 hour period without
any known health risks according to the UK Department of
Health and British Standards BS7967
30ppm Maximum allowable concentration for competent persons to
work in when investigating reports of fumes according to
British Standards BS7967
200ppm Mild headache, fatigue, dizziness and nausea after 2 to 3
hours
400ppm Frontal headache and nausea within 1 to 2 hours. Life
threatening after 3 hours
800ppm Severe headache, dizziness and convulsions with 45 minutes.
Unconsciousness within 2 hours. Death within 2 to 3 hours
1,600ppm Headache, dizziness and nausea within 20 minutes. Death
within 1 hour
3,200ppm Headache, dizziness and nausea within 5 to 10 minutes,
Death within 30 minutes
6,200ppm Headache, dizziness and nausea within 1 to 3 minutes. Death
within 10 to 15 minutes
12,800ppm Death within 1 to 3 minutes
KANE79 MANUAL 9
5VISUAL INDICATION