Atmospheric Monitoring Flashcards
1
Q
Hydrogen cyanide (HCN) in the atmosphere to operate without SCBA
A
Less than 4.7 ppm
2
Q
Carbon monoxide (CO) in the atmosphere to operate without SCBA
A
Less than 35 ppm
3
Q
Oxygen levels in the atmosphere to operate without SCBA
A
19% - 23.5%
4
Q
LEL of any combustible gas in the atmosphere to operate without SCBA
A
Less than 10%
5
Q
The incident commander will consider allowing personnel to operate without SBA when there is less than ____ ppm of HCN.
A
- 7
