Pick out the wrong statement?

A. logical decomposition of the organic matter present in water stream present as food for the

B. BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water)

C. BOD is a measure of the amount of oxygen which will be demanded & used in 5 days by the

D. ing organism

E. Biological oxygen demand (BOD) is a characteristic and not a constituent of water

F. None of these
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