Waste Water Engineering
The effluent of a septic tank is

None of these
Foul and contains dissolved and suspended solids
As good as that from a complete treatment
Fit for discharge into any open drain

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Waste Water Engineering
The clarigesters are

Circular Imhoff double storey tanks without bottom hoppers
Circular septic tanks
Rectangular septic tanks
Circular Imhoff double tanks with bottom hoppers

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