SP OPS 1-1 Response to Natural Gas Emergencies

Question 1

What is natrual gas odorant?
A. Rotten eggs
B. Sulfar dioxide
C. Mercaptan
D. Citric Acid

Answer 1

C. Mercaptan

Question 2

Natrual gas is lighter than air and has an LEL of ____ and UEL of ____.
A. 1%, 89%
B. 5%, 15 %
C. 12%, 25%
D. 89%, 90%

Answer 2

B. 5%, 15%

Question 3

If natural gas is present below ____% LEL or no gas is found continue to investigation.
A. 100
B. 15
C. 10
D. 1

Answer 3

C. 10

Question 4

If gas reading in a house is above 10% LEL or greater, direct the occupants to evacuate, RETREAT IMMEDIATELY, AND CONSIDER THE AREA HAZARDOUS. How far should you retreat?
A. 10 ft
B. 20 ft
C. 100 ft
D. 330 ft

Answer 4

D. 330 ft
()hydrants are approximatly 300 ft apart or about 4 houses down