Unformatted text preview: Otherwise, consult your textbook. Bottle # Wastewater (mL) DO i (mg/L) DO 5 (mg/L) 1 20 8.9 0.75 2 10 9.1 2.5 3 5 9.2 5.8 4 2 9.2 8.9 2. This is Problem 9.11 in your textbook. If you dumped a half gallon of milk everyday into the Laramie River near the Greenbelt Trail as it passes under I-80, what would be your discharge in lb of BOD 5 per day? Assume that milk has a BOD 5 of ~20,000 mg/L. 3. This is Problem 9.2 in your textbook. If you had two bottles filled with lake water and kept one in the dark and the other in the light, what would you expect the dissolved oxygen in each bottle to be after a few days? Explain each result and include mention of any assumptions you make....
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This note was uploaded on 12/08/2010 for the course CE 2400 taught by Professor Colberg during the Spring '10 term at Univeristy of Wyoming- Laramie.
- Spring '10
- Environmental Engineering