How exactly do you ignite the gas in the hallway with out dying? Ive tried it from both door that you can close with no good result. also im using an energy weapon to ignite the gas because i dont have any explosive and the door to leave the vault is locked by a key for some reason. Any help would be appreciated

Ok, heres what I did.

First, go back to Ghoul lady.

There is a duffle bag in one of the room corners, get some grenades.

You'd think you could sruvive in any room, but from what I can tell you HAVE to be in the room where you downlaoded the terminal information. Its right to the left of the vents. Throw grenade, immediatly press door button, and you should survive. The other rooms wont work, as even with doors closed you will still die.

thanks, anybody wondering these grenades are in the second floor; Food Production. The same room where keely is after you first find here.

thanks