Air quality monitoring 3.2.1.4

Question 1

Hydrogen cyanide exposure symptoms are similar to that of what?

Answer 1

CO

Question 2

Low level exposure symptoms to HCN/CO include what?

Answer 2

headache
nausea
fatigue
dizzy

Question 3

High level exposure symptoms to HCN/CO include what?

Answer 3

respiratory problems
unresponsiveness
cardiac arrest

Question 4

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

Answer 4

ASAP

Question 5

What is the minimum gas monitoring required at structure fires?

Answer 5

HCN

CO

Question 6

Which two incidents do not require atmospheric monitoring?

Answer 6

vehicle fires outside of structures

burning odor with no visible smoke (light ballast for example)

Question 7

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

Answer 7

air monitoring

Question 8

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

Answer 8

four gas with pickup tube and pump

Question 9

HCN levels must be below what to operate without SCBA?

Answer 9

4.7ppm

Question 10

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

Answer 10

35ppm

Question 11

Who completes gas monitor calibration?

Answer 11

engineer

Question 12

What day of the month are gas monitors calibrated?

Answer 12

15th

Question 13

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

Answer 13

bump tested

Question 14

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

Answer 14

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

Question 15

What is the half life of HCN?

Answer 15

one hour

Question 16

What is the respiratory rate progression for HCN exposure?

Answer 16

fast then slow