Natural Gas Emergencies MP204.05 Flashcards
Natural gas is ______ than air and will usually dissipate rapidly outside.
lighter
Natural gas emergencies
-Inside buildings, it tends to _____, in attics and dead air spaces.
Natural gas emergencies
-The flammable limits are _% to _% in air.
4% - 15%
Natural gas emergencies
-Natural gas is nontoxic, however, it displaces WHAT?and can result in asphyxiation.
oxygen
Natural gas emergencies
-Burning natural gas should not normally be extinguished. Fires should be controlled by stopping the What?
flow
The following guidelines present an approach which will be applicable in the majority of situations, but do not replace good ______ and____ in dealing with any particular incident.
Judgment
Experience
Burning natural gas should not normally be_________, since this would change the situation from a visible to invisible hazard with explosive potential.
Extinguished
Units arriving at the scene of a structural explosion must consider_____ ____ as a possible cause.
Natural gas
Until it can be determined that the area is safe from the danger of further explosions,______ all civilians and keep the number of Fire Department and/or other emergency personnel
Evacuate
If gas concentration is located inside, ______ buildings where gas is found with explosion proof equipment only.
Ventilate
The use of ground probes is essential to evaluate potential________ leaks.
Underground
who responsible for locating and eliminating leaks in the gas system?
Gas Company personnel
If gas company personnel must excavate to shut off a leak, provide stand-by protection with a charged ___-inch line and two firefighters in full protective equipment and SCBA
1.5”
What type of zone shall be established and maintained around any suspected gas leak and “fire line” tape should be used to identify this zone?
Limited Access Zone
A lobby sector shall be established for_____ ____and ____and where necessary, a hazard sector should be established.
Personnel Control, Accountability
