A704.1 Carbon Monoxide Incidents (02-01-2013) Flashcards
[A704.1 Carbon Monoxide Incidents]
When a person breaths in CO, the CO combines with oxygen in the blood to form poisonous:
Carboxyhemoglobin (COHb)
[A704.1 Carbon Monoxide Incidents]
The amount of COHb in a person’s blood is expressed as a:
Percent
[A704.1 Carbon Monoxide Incidents]
In general, sign ans symptoms of acute carbon monoxide poisoning can present at COHb levels ranging from:
3%-24%
[A704.1 Carbon Monoxide Incidents]
The OSHA recommended maximum allowable COHb level for a healthy worker is ___%:
5%
[A704.1 Carbon Monoxide Incidents]
Who are more susceptible to carbon monoxide poisoning?
Infants, young children, and the elderly
[A704.1 Carbon Monoxide Incidents]
The ACGIH has assigned carbon monoxide a threshold limit value (TLV) of ______ parts per million as a _______ _______ average for a normal ___ hour workday and a ____ hour work week:
- 25 ppm
- Time weighted average
- 8 hour
- 40 hour
[A704.1 Carbon Monoxide Incidents]
The EPA states that average CO levels in homes without gas stoves range from:
0.5 to 5 ppm
[A704.1 Carbon Monoxide Incidents]
CO levels near properly adjusted gas stoves are often:
5 to 15 ppm
[A704.1 Carbon Monoxide Incidents]
CO levels near poorly adjusted gas stoves are often:
30 ppm or higher
[A704.1 Carbon Monoxide Incidents]
What group created benchmarks that are built into industry standards for residential CO alarms?
The Consumer Product Safety Commission (CPSC)
[A704.1 Carbon Monoxide Incidents]
What are the (2) benchmarks built into industry standards for residential CO alarms?
- A CO alarm must sound at exposures predicted to reach 10% COHb in heavily exercised individual.
- A CO alarm cannot sound when exposed to 30 ppm for fewer than 30 days or at 70 ppm for less than 1 hour
[A704.1 Carbon Monoxide Incidents]
A CO alarm must sound at exposures predicted to reach ___ percent COHb in heavily exercised individual:
10%
[A704.1 Carbon Monoxide Incidents]
A CO alarm cannot sound when exposed to ____ ppm for fewer than ____ days or at ___ ppm for less than ___ hours:
- 30 ppm
- 30 days
- 70 ppm
- 1 hour
[A704.1 Carbon Monoxide Incidents]
Who will carry CO monitors?
All rescues, ladders, Qunits, and selected engine companies
[A704.1 Carbon Monoxide Incidents]
Occupants will not be allowed to remain or re-enter a structure with CO levels over:
25 ppm
[A704.1 Carbon Monoxide Incidents]
SCBAs will be worn if CO levels exceed:
25 ppm
[A704.1 Carbon Monoxide Incidents]
What will AFD personnel complete for documentation purposes when mitigation a CO incident?
The AFD Carbon Monoxide Checklist
[A704.1 Carbon Monoxide Incidents]
Calibration of the CO detector carried on AFD units will be verified how often?
Once a week during equipment check
[A704.1 Carbon Monoxide Incidents]
Measure CO from the ________ of the various rooms of the residence, beginning about ___ feet away from any appliance:
Center 5 feet
[A704.1 Carbon Monoxide Incidents]
Identify any areas of the house with measured CO levels of (2):
- 25 ppm or higher
- Less the 25 ppm
[A704.1 Carbon Monoxide Incidents]
What should be used to ventilate CO in a residence?
An electric fan
[A704.1 Carbon Monoxide Incidents]
What are 3 potential sources of elevated CO from?
- Gas appliances
- Combustion motors
- Charcoal grills
[A704.1 Carbon Monoxide Incidents]
At what CO level and lower can occupants return home?
Less than 25 ppm
[A704.1 Carbon Monoxide Incidents]
If the source of elevated levels of CO cannot be found, what should you do:
Advise the resident to call an HVAC company to identify the source