A municipal sewage has of 200 mg/. It is proposed to treat it and dispose off into a marine environment. For what minimum efficiency should the sewage treatment plant be designed ?

A municipal sewage has of 200 mg/. It is proposed to treat it and dis

1.	A municipal sewage has of 200 mg/. It is proposed to treat it and dispose off into a marine environment. For what minimum efficiency should the sewage treatment plant be designed ?
A.	85%
B.	60%
C.	50%
D.	33.67%
Answer» B. 60%

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A municipal sewage has of 200 mg/. It is proposed to treat it and dispose off into a marine environment. For what minimum efficiency should the sewage treatment plant be designed ?

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