Carbon Dioxide Flashcards
1
Q
Carbon dioxide above _______ ppm (___%) creates an IDLH
A
40,000 or 4%
2
Q
Oxygen levels below ______% create an IDLH
A
19.5%
3
Q
Leaking cryogenic containers and dewars should be shut off by whom?
A
Hazmat unit
4
Q
The hazmat units toxirae reads for carbon dioxide up to ________ ppm or (_____%)
A
50,000 or 5%
5
Q
The building shall not be returned to owner/occupant until carbon dioxide levels fall below_______ ppm
A
1000 ppm
6
Q
Personnel can use firefighting gloves to operate valves on a cryogenic container (true/false)
A
False…..cryogenic PPE (gloves) will be uses
7
Q
Liquid co2 expands at what rate
A
1:533
8
Q
Vapor density of co2?
A
1.53 (So it’s 1.53 times heavier than air
9
Q
CO2 alarms are set for ______ low level and ______ high level
A
15,000 low and 30,000 high
