Haz-Mat-4 Flashcards
CO
Is CO a toxic gas ?
YES
2.1
It is a flammable gas with an auto ignition temperature of 1128 Degrees F., and a LEL of _____ and a UEL____
- 5% and 74%
2. 4
CO is slightly lighter than air. True or False
True
it slightly lighter than air (.968)
2.5
Using a CO meter, take an initial reading__________ then continue investigation to find source of CO in premises.
at the front door of premises
4.1.3
The Incident Commander (IC) shall request the utility company to respond if:
a. A CO level over 9 PPM is recorded by a meter.
b. Units on the scene shut off a gas appliance.
c. An individual(s) is exhibiting symptoms of CO poisoning.
d. The IC feels a response by the utility company is required.
4. 1.5
A CO Incident is what ?
No occupant is symptomatic AND less than 9 ppm
4.2.1
A CO Emergency is what ?
Occupants are symptomatic OR greater than 9 ppm
4.2.2
CO Emergency: Meter readings of greater than 9 PPM but less than 100 PPM do we evacuate ?
Recommend. Inform occupant potential Dangerous Recommend that all persons leave the affected area and begin ventilation. Shut down appliance Once at 9 ppm or less reoccupy Reset 4.4.3 - 4.4.5
CO Emergency: Meter Readings of 100 PPM and Greater do we evacuate ?
YES Inform potentially LETHAL levels Begin evac and vent Shut down appliance At 9 ppm or less reoccupy Reset 4.5
If the concentration of CO in the atmosphere exceeds 35 PPM, the meter will signal the
following alarm
a slow modulating tone (every 1 second)
with slow flashing red lights (every 1 second)
and a slow vibration (every 1 second)
Falls below 35 ppm will auto turn off
2.4 Add 1
If the concentration of CO in the atmosphere exceeds 100 PPM the meter will signal the
following alarm:
a fast modulating tone (every ½ second)
with fast flashing red lights (every ½ second)
a fast vibration (every ½ second)
Falls below 100 ppm will auto into low alarm
2.5 Add 1
CO meters will display readings up to 999ppm. If readings of 1000 ppm or more
are detected, the CO meter will display ?
“OL”, indicating an over limit condition
2.5 Add 1
Calibration will only be done by Haz Mat OPS meter room every _____ ?
6 months
3.2 Add 1
If the meter is defective (low battery, malfunction, etc.) the officer on duty shall notify ?
Battalion.
Each Battalion will be assigned 2 spare CO meters.
The low battery alarm(Gas Alert Extreme) consists of
1 beep (every 5 seconds) 1 flash (every 5 seconds) 1 quick vibration (every 1 minute) a low battery icon will appear on the display 3.5 Add 1