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  3. a. to measure the bod5 of a wastewater, three dilu

a. To measure the BOD5 of a wastewater, three dilutions are prepared. The data for the...

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Civil Engineering

a. To measure the BOD5 of a wastewater, threedilutions are prepared. The data for the tests are provided below.What is the BOD of the wastewater?

Wastewater

(mL)

DO

t = 0

DO

t = 5 days

59.24.8
89.13.2
109.11.8

b. The BOD5 of a wastewater is estimated to be 75mg/L at standard temperature. The k value is 0.150 day-1at standard temperature. What is the ultimate BOD?

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