Quote Originally Posted by cornflake View Post
I don't think that's true?

We've had building explosions here where the gas line was messed with a very short time before, like hours or less (they were accidental, there were workers who didn't connect stuff properly, or broke a line).
I'm definitely not an expert so I could totally be wrong! That's just what the man from the gas company told me when we freaked out over a leak in our house.