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Properties and Characteristics of Natural Gas

Comparison with propane

Some of Dominion Energy’s transmission pipelines contain propane, a fuel gas that is heavier than air. Unlike natural gas, which naturally tends to rise, propane tends to sink and may accumulate in trenches, drains and other low-lying areas. Keep this behavior in mind if you are called to an incident that involves a propane pipeline.

Be alert for propane in leak or fire incidents involving gas grills, as propane is the fuel most commonly used in these appliances.