Booster Tank 3 : The built-in tank on a pumper or quint that supplies booster lines and hand lines at a fire until a connection with a water source (such as a hydrant) can be made
The City of Sand Springs, Fire Department, Fire Glossary, Sand Springs, Oklahoma, USA 2007. http://www.sandspringsok.org/ArchiveCenter/ViewFil e/Item/51, (FrDept - Amer) {475}