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Haz-Mat Ops. Bulletin 6
SOP’s for Carbon Monoxide
What procedures is the Communications Division (OUC) supposed to follow for the report of a possible CO leak/activated alarm?
Notify the occupants to evacuate
Determine, by interview, if anyone has symptoms in accordance with medical dispatch protocols.
Dispatch units
What units are to be dispatched by Communications Division (OUC) for the report of a CO leak/activated alarm?
One engine, one truck, and 1 or more ambulances or medic units.
What is the procedure for the first fire unit upon arriving at the scene of a CO leak/activated alarm?
Simultaneously search and evacuate the premises; and conduct an interview with the reporting party.
When is SCBA required to be worn/used on a reported CO leak/activated alarm?
SCBA shall be worn/used for any entry into an atmosphere which may contain an unknown concentration of CO. SCBA shall also be worn/used when the atmosphere has been evaluated with a CO meter and indicates a concentration of 35 ppm or greater.
_____ firefighters shall enter to perform a quick search and evacuation while the other firefighters shall remain outside to interview the caller.
Two
When should a building that has a report of a possible CO leak/activated alarm be ventilated?
All doors and windows shall be kept closed until the atmosphere has been evaluated. Do not ventilate the building until after confirming and locating the source of the leak.
What are some symptoms of CO poisoning?
Dizziness
Headache
Flu-like symptoms
Nausea
Dark red lips
*Multiple victims with same symptoms
If you must request EMS assistance for victims of CO poisoning, what care should you administer prior to a transport unit arriving?
Remove the victim from the contaminated atmosphere and administer high-flow O2 via NRB mask. EMS units should transport to the closest appropriate hospital per protocol.
What are the names of the two kinds of CO meters that are carried on the fire apparatus?
AIM CO Meter and Sensit HXG3 Combustible Gas Meter.
When should the meters be placed into service?
The meter shall be placed in service upon arrival of the fire unit in which it is in possession of. This shall be done outside the building, in fresh air, and in accordance with the meter’s operating instructions.
When should the Haz-Mat Unit be requested on CO emergencies?
If at anytime during the investigation the meter indicates CO is present at 35 ppm or more.
When do appliances produce CO?
They only produce CO when they are burning fuel, therefore, adjust controls so that appliances are operating. Analyze the atmosphere near and above all carbon monoxide producing sources.
Since CO is __________ than air, rooms on the ______ floor should be checked.
lighter;top
If you locate the source of the CO and determine it to be from a fuel burning appliance what should you do?
Turn off the power and close all supply valves. If appliance is natural gas fed, place a “gas-cut-off” tag on the appliance.
If you locate the source of the CO and determine it to be from a natural gas appliance, who should be notified?
Washington Gas Light Company
What are your actions if you determine that the source of the CO leak is from an improperly venting fireplace chimney?
Attempt to correct the problem by making sure that the damper is open, or extinguish the fire with a dry chemical extinguisher.
Some CO may be present even with properly operating and vented appliances. ____ to ____ ppm shall not be considered hazardous.
1 to 8
After locating the source and removing it from operation, you should you begin ventilation. What is important to keep in mind while ventilating that premises?
Keep in mind that CO is lighter than air and will accumulate near ceilings and on upper floors.
When is it safe to terminate a CO emergency incident?
Once all sources have been checked, eliminated, and when meter readings fall below 8ppm.