Flammable Gas Response

Question 1

What are the 2 most common gases to encounter?

Answer 1

Natural gas and Propane

Question 2

What are some facts about natural gas?

Answer 2

Colorless, odorless, lighter than air.
Tends to rise in the air and dissipate
Have an additive to detect presence of substance

Question 3

What are some facts about propane?

Answer 3

Colorless, odorless, heavier than air and will sink to lower levels.
Have an additive to detect presence of substance

Question 4

What is the required PPE for gas incidents?

Answer 4

Full structural gear with SCBA

Question 5

What is considered IDLH for flammable gases?

Answer 5

10% of lower LEL

Question 6

What are the operational guidelines for Flammable gas leak outside?

Answer 6

Evacuate the area for a minimum of 100’
Control ignition sources
1 3/4 hoseline down

Question 7

What are the operational guidelines for Flammable gas leak inside?

Answer 7

Secure gas to structure
Monitor the air if available
If LEL is >10% must ventilate the structure
Evacuate adjacent structures
Fire personnel do not restore gas to the structure

Question 8

What are the actions taken for a Flammable gas leak with active fire?

Answer 8

Defensive posture
Establish water supply and hoselines to protect exposures
Utility company to stop flow of gas
If fire is impinging on rail cars or tanks, evacuate 1 mile