OG 4.8 Air Monitoring

Question 0

In what four situations will air monitoring always be done?

Answer 0

Fire
Chemical or biological agent releases
Confined spaces
Overhaul situations

Question 1

When doing air monitoring, if necessary, incident commander shall initiate a consult with the hazmat team. Who is then automatically paged?

Answer 1

HM 121 is automatically page for all hazmat consults.

Question 2

Continuous air monitoring shall be initiated as soon as practicable within all IDLH atmosphere such as:

Answer 2

Flammable
Oxygen deficient
Explosive
Toxic atmospheres

Question 3

You should don an scba when carbon monoxide levels reach what level?

Answer 3

35 ppm or greater

Question 4

If oxygen levels are below what level you should don an scba?

Answer 4

@19.5% or below.

Question 5

If oxygen levels are above what level you should withdraw from the scene?

Answer 5

@22% or greater

Question 6

If a lower explosive limit (LEL) is at what level you should withdraw and evaluate further?

Answer 6

@20% or greater of LEL

Question 7

Which 3 gas vapors are lighter than air?

Answer 7

Acetylene
Hydrogen
Natural gas (methane)

Question 8

Always monitor the oxygen levels in a environment with an unknown gas product because it may be doing what?

Answer 8

Displacing the oxygen. A drop in oxygen levels may indicate this.

Question 9

What will not be the benchmark for doffing an scba on a fire scene?

Answer 9

Monitoring Carbon monoxide levels.

Question 11

Company’s should use what tool to assist in the removal of toxicants on scene after a fire?

Answer 11

Electric fans