Environment & Ecology · Environmental Engineering
According to the dilution method, which of the following is the correct formula for BOD5? (where BOD5 = 5-day Biochemical Oxygen Demand)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1BOD5 = Depletion of dissolved oxygen (mg/L) × Dilution factor✓
- 2BOD5 = Dilution factorDepletion of dissolved oxygen (mg/L)
- 3BOD5 = Depletion of dissolved oxygen (mg/L)Dilution factor
- 4BOD5 = Dilution factor + Depletion of dissolved oxygen (mg/L)
Correct answer
BOD5 = Depletion of dissolved oxygen (mg/L) × Dilution factor
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