Configuration 7

Spacing = .051 m in first channel, .076 m in second channel

PAC dosage = 24 ppm

• Note: Readings from Turbidimeter 2 are unreliable. Turbidimeter is producing excess heat which is causing condensation on the outside of the sample vial, which makes turbidity reading higher than it is. Use interpolation to see where turbidity likely is. Since our tests are mainly concerned with turbidity at the end, the malfunctioning of one turbidimeter in the middle of the series is not highly critical, but we will be working to fix this problem.