How to Replace U.S. Currency That's Been Damaged (or Destroyed)
by A.A. Newton from Lifehacker on (#3TN7R)

Anyone who's ever put their wallet through the washing machine has wondered what to do with a ruined wad of cash. Your local bank can replace a few torn bills, but if your emergency cash has been petrified, burned to a crisp, partially digested, or otherwise severely damaged, you'll need to call in the professionals.