2. The selected dilution for BOD5 test should be such that the residual DO is at least 1 mg/L, and DO depletion should b
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2. The selected dilution for BOD5 test should be such that the residual DO is at least 1 mg/L, and DO depletion should b
2. The selected dilution for BOD5 test should be such that the residual DO is at least 1 mg/L, and DO depletion should be at least 2 mg/L. Assuming initial Do of 8.6 mg/L, calculate the range of BODS that can be measured by a dilution of 1 ml sample in a 300-ml BOD bottle. [4 marks)
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