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Exclamation Icon Leaks, Odor or Emergencies 888.Nicor4U (642.6748)
811 Icon Call Before You Dig
Dial 811
My Account Sign In
My Account Sign In

Odor of Gas

Odor of Gas

En Español

Natural gas is a colorless, odorless fuel. For safety reasons, a chemical odorant called mercaptan is added for easy detection. This odorant has a distinctive “rotten egg” type scent. Natural gas odors should be reported right away. Do not try to locate the source of the smell.

If you smell this odor:

  • Alert others and leave the area immediately.
  • Leave the door open as you exit.
  • Avoid using any sources of ignition, such as cell phones, lighters, matches, cigarettes, flashlights, light switches, landlines or starting a car engine.
  • Call Nicor Gas at 888.Nicor4U (642.6748) or 911 once you are out of the area and in a safe place.