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A sample of sewage is mixed with water no seeding done in the ratio of 1:20 i.e., 1 ml of sewage diluted to 20 ml by adding water for BOD test. The initial DO is 8.5 mg/L and final DO, after 5 days, is 3.1 mg/L. Calculate BOD, of the sewage.
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A sample of sewage is mixed with water no seeding done in the ratio of 1:20 i.e., 1 ml of sewage diluted to 20 ml by adding water for BOD test. The initial DO is 8.5 mg/L and final DO, after 5 days, is 3.1 mg/L. Calculate BOD, of the sewage.
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