------------+----------+--------------------+----------+--------+----------- | | | | |Sulphate of Number | | Bacteria. | Per cent |Per cent| Alumina of Days |Turbidity.+----------+---------+remaining.|removed.|used Grains Represented.| |Raw Water.|Effluent.| | |per Gallon. ------------+----------+----------+---------+----------+--------+----------- 7 | 0.05 | 4,773 | 1713 | 35.89 | 64.11 | 0.00 2 | 0.07 | 2,785 | 850 | 30.52 | 69.48 | 0.12 12 | 0.06 | 3,209 | 224 | 7.00 | 93.00 | 0.42 31 | 0.06 | 4,238 | 119 | 2.81 | 97.19 | 0.60 9 | 0.06 | 7,953 | 130 | 1.64 | 98.36 | 0.84 16 | 0.04 | 11,265 | 137 | 1.22 | 98.78 | 1.11 29 | 0.06 | 11,500 | 158 | 1.37 | 98.63 | 1.58 | | | | | | 5 | 0.17 | 8,783 | 416 | 4.73 | 95.27 | 0.36 10 | 0.16 | 6,535 | 165 | 2.54 | 97.46 | 0.85 13 | 0.19 | 13,253 | 186 | 1.40 | 98.60 | 1.13 15 | 0.22 | 10,944 | 93 | 0.85 | 99.15 | 1.36 13 | 0.29 | 14,089 | 112 | 0.80 | 99.20 | 1.73 10 | 0.35 | 18,088 | 102 | 0.57 | 99.43 | 2.38 5 | 0.29 | 25,580 | 540 | 2.11 | 97.89 | 4.30 | | | | | | 6 | 0.87 | 25,433 | 369 | 1.45 | 98.55 | 1.74 6 | 0.73 | 26,566 | 79 | 0.30 | 99.70 | 2.64 4 | 1.35 | 42,037 | 1388 | 3.30 | 96.70 | 8.16 ------------+----------+----------+---------+----------+--------+----------- SUMMARY OF RESULTS WITH JEWELL MECHANICAL FILTER, ARRANGED ACCORDING TO TURBIDITIES AND SULPHATE OF ALUMINA QUANTITIES.