1.   If you smell gas in the apartment, call this number immediately.

2.   If you smell gas fumes or burning, take the car to your mechanic.

3.   As soon as we opened the front door we could smell the gas.

4.   I think I smell gas.

5.   I can smell gas.

6.   But if you smell gas and hear a hissing or blowing sound, get out right away.

7.   But Sunni Levinson, the person who made the complaint, said that the Keyspan worker who responded told her that he, too, smelled gas.

8.   If you hear, see or smell leaking gas, immediately get everyone away from the cylinder and call the fire department.

9.   Racilppo said that fire marshals had interviewed several witnesses who said they smelled gas after the explosion.