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First, the team performed a control experiment with 60 ppi foam, 10 inch foam depth and a 1.5 mg/L alum dose to compare the layering results with.
Figure 1: 60 ppi, 10 inch, 1.5 mg/L
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Experimen1 1: 3 inches 90 ppi, 5 inches 60 ppi, 2 inches 30 ppi
Figure 2: pC* vs time
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