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Day Tanks were originally
specified as an above ground, local, source of fuel for
emergency and stand-by generator sets. These tanks were
sized to automatically maintain 24 hours of fuel next to
the generator set. As the industry grew, however, the
term "day tank" became synonymous with any
above ground tank that has a pump, motor and control
circuitry mounted on top. E & C A builds many types of UL-142 listed above ground rectangular tanks.
