Mathematics · Environmental Engineering
A wastewater sample of 2 mL is diluted to 300 mL in a BOD bottle with distilled water. The initial dissolved oxygen (DO) of the mixture is 8 mg/L and after 5 days of incubation it is 2 mg/L. What is the 5-day BOD of the wastewater sample?
- 11200 mg/L
- 2300 mg/L
- 3900 mg/L✓
- 4894 mg/L
Correct answer
900 mg/L
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