Question: PLEASE write NEATLY. WILL THUMBS UP IF CORRECR! Problem 1.12 (modified), Masters and Ela, Introduction to Environmental Engineering and Science, 3rd Ed.: The two-pond system

PLEASE write NEATLY. WILL THUMBS UP IF CORRECR! Problem 1.12 (modified),

PLEASE write NEATLY. WILL THUMBS UP IF CORRECR!

Problem 1.12 (modified), Masters and Ela, Introduction to Environmental Engineering and Science, 3rd Ed.: The two-pond system shown in the figure below is fed by a stream with flow rate of 1.5 million gallons per day (MGD) and a BOD (a nonconservative pollutant) concentration 18 mg/L. The rate of decay of BOD is 0.33/day. The volume of the first pond is 6.0 million gallons (MG), and the second is 2.0 MG. Assuming complete mixing within each pond, find the BOD concentration leaving each pond. 18 mg/L 1.5 MGD C = ? C2= ? V1 = 6 MG V2 = 2 MG

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