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Determine the BOD5, BODU and k values.

A Polluted river sample is analyzed using standard BOD procedures .Data are obtained are listed below. Conclude the BOD5, BODU, and k values that best fit for the following data. 

 

Dissolved oxygen, g/m3

Time, (days)

Dilution, ml/300mL

0

1

5

30

0

8.90

8.87

8.77

8.11

1

8.83

8.49

7.66

2.70

2

8.76

8.41

7.25

0

3

8.69

8.23

6.39

 

4

8.62

8.06

5.83

 

5

8.55

7.91

5.35

 

6

8.48

7.77

4.95

 

7

8.41

7.64

4.60

 

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