Natural Gas Emergency Response

Question 1

Composed of approximately ____ methane

Answer 1

94%

Question 2

Flammability range of ____ percent gas to air mixture.

Answer 2

3 to 15

Question 3

Flammable range of _____ percent.

Answer 3

4 to 14

Question 4

Ignition point of ____ degrees Fahrenheit.

Answer 4

1200

Question 5

(Natural Gas is ___ percent lighter than air and will rise

Answer 5

40

Question 6

An odorant that is added before natural gas reaches the consumer, which contains sulfur that creates a distinct rotten egg odor detectable at extremely low levels.

Answer 6

Mercaptan

Question 7

Minor NG leak is what size diameter pipe

Answer 7

2 inch or less

Question 8

Major NG leak is what size diameter pipe

Answer 8

greater than 2 inches

Question 9

Transmission Pipeline is considered ___ pressure

Answer 9

High

Question 10

Distribution pipeline is considered ___ pressure

Answer 10

High

Question 11

Distribution Line is considered ____ pressure

Answer 11

intermediate

Question 12

When arriving on scene how far out should the isolation perimeter be?

Answer 12

300 Ft

Question 13

When a structure is saturated with concentration levels above the UEL do you ventilated

Answer 13

No, do not use ventilation

Question 14

_____has a truck mounted High-Volume Ventilation Unit that is primarily used for large scale operations and used consistent with forced ventilation.

Answer 14

SFD