Understand The Effects Of Carbon Monoxide Exposure - Kidde Nighthawk 900-0081 User Manual

900-0081 Benelux Manual
Part Three – What You Should Know
Before the Alarms Sounds

Understand the Effects of Carbon Monoxide Exposure

Concentration
of CO in Air
Approximate Inhalation Time
(ppm = parts
per million)
50 ppm
The maximum allowable concentration for
continuous exposure for healthy adults in any
8-hour period, according to HSE*.
200 ppm
Slight headache, fatigue, dizziness, nausea
after 2-3 hours.
400 ppm
Frontal headaches within 1-2 hours, life
threatening after 3 hours.
800 ppm
Dizziness, nausea and convulsions within 45
minutes. Unconsciousness within 2 hours. Death
within 2-3 hours.
1,600 ppm
Headache, dizziness and nausea within 20
minutes. Death within 1 hour.
3,200 ppm
Headache, dizziness and nausea within 5-10
minutes. Death within 25-30 minutes.
6,400 ppm Headache, dizziness and nausea within 1-2
minutes. Death within 10-15 minutes.
12,800 ppm
Death within 1-3 minutes.
Reminder: The chart above relates to the exposure of healthy adults.
Read the info on the previous page for descriptions of those who are at
higher risk.
29/8/01 9:54 am
and Symptoms Developed
* Health and Safety Executive
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Page 23
Part Four – What to do When the
Alarm Sounds
Determine if anyone in the household is experiencing symptoms of
CO poisoning. Many cases of reported CO poisoning indicates that
while victims are aware they are not well, they become so disoriented
that they are unable to save themselves by either exiting the building
or calling for assistance. Also young children and household pets may
be the first affected. The following symptoms are related to CARBON
MONOXIDE POISONING and should be discussed with ALL
members of the household:
Common Mild Exposure Symptoms:
Slight headache, nausea, vomiting, fatigue ("flu-like" symptoms).
Common Medium Exposure Symptoms:
Throbbing headache, drowsiness, confusion, fast heart rate.
Common Extreme Exposure Symptoms:
Convulsions, unconsciousness, heart and lung failure.
It can cause brain damage and death.
Become familiar with these common symptoms
If you experience even mild symptoms of CO poisoning,
consult your doctor immediately!
from CO poisoning.
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