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An alum dose of 65 mg/L is considered to be a slight overdose. Image Modified
Figure 1: Effluent Turbidity vs. Time, Floc Blanket on Low, Alum dose = 65 mg/L

Image Modified
Figure 2: Effluent Turbidity vs. Time, Flock Blanket on High, Alum dose = 65 mg/L

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