How can I recycle my old propane gas tank that can no longer be refilled?
If you have an older propane gas tank that has been denied refilling by a retailer, it is probably because it lacks an Overfilling Prevention Device (OPD). As of April 2002, the National Fire Protection Agency’s (NFPA) safety code requires an OPD on every propane tank that holds between four and 40 pounds of the gas
