In Fallout New Vegas how do you ignite the vents that Keely is pumping gas throug in Vault 22 without killing yourself?

It is safely done by throwing an explosive, like dynamite or a frag grenade out of the doorway into the hall from the room with the data. Once the -more?

Tags: frag grenadekeelyventsexplosivedoorway 
Thursday, February 02 2012