Question 9002 of 234 · California Wastewater Operator Exam
A plant treats 1.8 MGD. Influent TSS is 250 mg/L and effluent TSS is 20 mg/L. How many pounds of TSS are removed per day?
Exactly one answer is correct.
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Correct answer to question 9002
- B: 3,453 lbs/day
Explanation
Removed TSS = 8.34 x 1.8 x (250 - 20) = 8.34 x 1.8 x 230 = 3,453 lbs/day. Using only the influent or effluent concentration gives the load in or out, not the amount removed.
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