Odor of Gas
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.