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Flashcards in Haz-Mat-4 Deck (19)
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1

Is CO a toxic gas ?

YES
2.1

2

It is a flammable gas with an auto ignition temperature of 1128 Degrees F., and a LEL of _____ and a UEL____

12.5% and 74%
2.4

3

CO is slightly lighter than air. True or False

True
it slightly lighter than air (.968)
2.5

4

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

5

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

6

A CO Incident is what ?

No occupant is symptomatic AND less than 9 ppm
4.2.1

7

A CO Emergency is what ?

Occupants are symptomatic OR greater than 9 ppm
4.2.2

8

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

9

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

10

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

11

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

12

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

13

Calibration will only be done by Haz Mat OPS meter room every _____ ?

6 months
3.2 Add 1

14

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.

15

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

16

10-38 Code 1

Detector Activation: CO Investigation
low batt, defective, unwarranted

17

10-38 Code 2

Detector Activation: CO Incident
1-9 ppm and No Symptomatic

18

10-38 Code 3

Detector Activation: CO Emergency
Greater than 9 ppm OR Symptomatic

19

10-38 Code 4

No Detector Activation: CO Incident or Emergency
Specify
No detector present
Detector present did not activate