Is this a good settling sludge or this operator in trouble

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A waster water treatment operator runs a sludge volumeindex test in a liter cylinder and finds at the end of 30 minutessettling, the solids occupy 200mL. He knows the suspendedsolids concentration in his aeration tank from which he got thesample is 4000 mg/L

a. What is the SVI

b. is this a good settling sludge or this operator introuble

Reference no: EM13533405

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