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Description / Abstract:
These requirements cover single and multiple compartment,
bituminous-coated metal septic tanks for
use in residential sewage systems.
The minimum liquid capacity of septic tanks covered by these
requirements is 500 gallons (1985 L).
For the purpose of these requirements, a residential septic tank is an
enclosed, watertight,
sewage-settling tank intended to retain the solids in immediate
contact with the sewage flowing
through the tank for a period of time to secure satisfactory
decomposition of settled solids by
biochemical action.
The liquid capacity is the capacity of the tank below the bottom of
the outlet when the tank is
level.