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What should I do if the CO alarm sounds?
1. IMMEDIATELY open all doors & windows for ventilation & turn off all combustion appliances.
2. Evacuate everyone outdoors or to an open door or window for fresh air.
Do a head count to check all persons are accounted for.
3. DO NOT re-enter the premises or move away from the door/window until the alarm has
stopped.
4. Call the UK Emergency Gas Services: 0800 111 999
5. Seek medical help immediately for those suffering with CO poisoning.
6. DO NOT use appliances again until they have been checked by a qualified technician and
the fault clearly identified and rectified.
How to identify symptoms of carbon monoxide poisoning
Carbon monoxide poisoning accounts for up to 50 deaths on average per year in the UK,
long period exposure will lead to brain damage and can be lethal if ignored or unnoticed.
Therefore it is very important to identify the symptoms at an early stage.
Mild
Moderate
Severe
Carbon monoxide poisoning action and treatment
In the event of carbon monoxide poisoning, switch off/put out the source of carbon
monoxide immediately if known. Open all doors and windows to allow fresh air to flow in
and evacuate all persons from room or building. Seek medical support immediately.
Contact the emergency gas service and allow them to inspect the building to ensure it is
safe before re-entering.
Mild carbon monoxide poisoning will clear on its own after the person is removed from the
source of carbon monoxide. For moderate level poisoning seek medical advice as they
will need to be treated with pure oxygen. Severe cases of poisoning will require immediate
medical assistance call 999. In severe cases hyperbaric oxygen chamber treatment may
be required.
EN
Symptoms
Headache, Nausea, Fatigue (often
misdiagnosed as flu or food poisoning).
As above but more obvious, also tiredness,
dizziness, lack of concentration, shortness
of breath or chest pains.
Severe headaches, convulsions, seizures,
loss of consciousness, vital organ failures.
Possible death within 2-3 hours.
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Version: 3.0
21.02.2017