Gas Incident Response Quiz

Question 1 of 10

1. Question

Select three critical things that you must not do when you respond to a natural gas incident.

Do not try to extinguish burning gas.
Do not operate any valves, other than the aboveground shutoff valve before the service meter or appliance supply line shutoff valves.
Do not open any gas valve that has been shut off.
Do not prevent others from using the gas.

Question 2 of 10

2. Question

True or false: During a natural gas pipeline emergency, the senior on-site representative from Dominion Energy or the local gas pipeline operator should be included within the incident command system.

True
False

Question 3 of 10

3. Question

True or false: You must notify the local gas utility about the exact location of any gas valve that has been operated by a firefighter.

True
False

Question 4 of 10

4. Question

If a natural gas leak is detected or suspected, select two things you should do to evacuate the area.

Evacuate 100 meters (330 feet) in all directions, if possible, or in the case of a very large leak, evacuate up to 800 meters (1/2 mile) in the downwind direction, if possible.
Secure the area with caution tape and reroute traffic if necessary.
Allow only residents to enter the area.

Question 5 of 10

5. Question

True or false: During an indoor gas leak incident, when it is determined that it is safe to ventilate a building, you should do so with extreme caution, from the bottom up.

True
False

Question 6 of 10

6. Question

When responding to an outdoor gas leak, you must take specific precautions. Select the item from the list that is not one of these precautions.

Contact federal authorities.
Monitor the atmosphere with your CGI to help identify the area where the leak is occurring.
Evacuate occupants of nearby buildings using the DOT Emergency Response Guide.
Do not use spark-producing equipment—use only intrinsically safe radios and flashlights during the incident response.

Question 7 of 10

7. Question

True or false: It is safer to extinguish a natural gas fire than to let it burn.

True
False

Question 8 of 10

8. Question

When responding to a natural gas explosion, which of the following precautions should you take? (Select all that apply.)

Immediately notify Dominion Energy or the local gas pipeline operator through your dispatcher.
Assess the possible cause before the evidence is lost.
Clear the area as soon as possible after an explosion to prevent loss of life.
Use your self-contained breathing apparatus (SCBA).
Be aware that there could be additional gas trapped in the location where the initial explosion occurred.

Question 9 of 10

9. Question

Select three key differences between transmission and distribution pipeline incidents:

Transmission lines are larger than distribution lines and therefore contain more product volume.
Natural gas in a transmission pipeline is usually under a much higher operating pressure than that in distribution lines.
Large quantities of natural gas from transmission line leaks can collect inside multiple buildings and confined spaces, causing a high risk of explosion.
Transmission lines have more 45-degree bends than distribution lines.

Question 10 of 10

10. Question

True or false: A successful response to a transmission pipeline incident includes informing Dominion Energy or the pipeline operator and requesting appropriate assistance.

True
False