Air quality monitoring 3.2.1.4 Flashcards Preview

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Flashcards in Air quality monitoring 3.2.1.4 Deck (16)
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1

Hydrogen cyanide exposure symptoms are similar to that of what?

CO

2

Low level exposure symptoms to HCN/CO include what?

headache
nausea
fatigue
dizzy

3

High level exposure symptoms to HCN/CO include what?

respiratory problems
unresponsiveness
cardiac arrest

4

Post structure fire, when should personnel switch to a second set of gear?

ASAP

5

What is the minimum gas monitoring required at structure fires?

HCN
CO

6

Which two incidents do not require atmospheric monitoring?

vehicle fires outside of structures
burning odor with no visible smoke (light ballast for example)

7

All confined space incidents shall start with what prior to team members making entry?

air monitoring

8

What type of gas monitor shall be used for confined space atmospheric monitoring?

four gas with pickup tube and pump

9

HCN levels must be below what to operate without SCBA?

4.7ppm

10

CO levels must be below what to operate with out SCBA?

35ppm

11

Who completes gas monitor calibration?

engineer

12

What day of the month are gas monitors calibrated?

15th

13

What shall be done to meters that read "out of range" after an exposure?

bump tested

14

What are the three indicators for determining if a person has been exposed to HCN?

exposure to fire/smoke in enclosed area
soot around mouth/nose
AMS

15

What is the half life of HCN?

one hour

16

What is the respiratory rate progression for HCN exposure?

fast then slow