Mathematics · Environmental Engineering

In a BOD test, the initial DO of a 2% diluted sample is 6 mg/L and its DO after 5 days of incubation at 20 °C is 4 mg/L. The 5-day BOD of the original sewage sample is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

100 mg/L

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In a BOD test, the initial DO of a 2% diluted sample is 6 mg/L and its DO after 5 days of incubation at 20 &deg;C is 4 mg/L. The 5-day BOD of the original sewage sample is: