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Natural gas is a flammable, colorless, odorless, lighter-than-air, non-toxic substance. Sometimes local utilities add an odorant to help consumers smell gas should a leak occur. However, it’s important to remember that you may not always be able to detect a gas leak by smell.

Natural Gas Liquids (NGLs) are naturally occurring elements found in natural gas and are extracted from the gas stream during processing. These liquids include propane, butane, ethane, iso-butane and natural gas condensate.

By Sight
 Dust blowing from a hole in the ground.
 Continuous bubbling in wet or flooded areas.
 Dead or discolored vegetation in an otherwise green area.
 Ice around leak.
 A vapor cloud or mist.
 Flames, if the leak has ignited.

By Sound
 Blowing or hissing sound.

By Smell
 An unusual smell or gaseous odor.

If you become aware of a leak, notify the pipeline company immediately. Emergency phone numbers are listed on all pipeline markers.

What To Do if a Leak Occurs

 Leave the area immediately on foot and warn others to stay away
 Abandon any equipment being used in or near the area
 Avoid any open flame or other sources of ignition
 Call 911 or local law enforcement
 Notify the pipeline company immediately
 Do not attempt to extinguish a natural gas fire, and do not attempt to operate pipeline valves