Standard 5-day BOD of a waste water sample is nearly % of the ultimate

1.	Standard 5-day BOD of a waste water sample is nearly % of the ultimate BOD, where is
A.	48
B.	58
C.	68
D.	78
Answer» D. 78

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Standard 5-day BOD of a waste water sample is nearly % of the ultimate BOD, where is

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