Question: Problem No . 1 ( 3 5 points ) A wastewater sample contains 2 5 0 m g L of B O D s .

Problem No.1(35 points)
A wastewater sample contains 250mgL of BODs.
(a) What sample volume is required in the BOD bottle (300 mL ), if the oxygen consumed by the sample is be limited to 4mgL during the 5-day BOD test?
(b) Calculate the ultimate BOD of the wastewater sample. day (:?-1@20CASAP
Problem No . 1 ( 3 5 points ) A wastewater sample

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