------------+----------+--------------------+----------+--------+----------- Number | | Bacteria. | | |Sulphate of of Days |Turbidity.+----------+---------+ Per cent |Per cent| Alumina Represented.| |Raw Water.|Effluent.|remaining.|removed.|used Grains | | | | | |per Gallon. ------------+----------+----------+---------+----------+--------+----------- 7 | 0.05 | 4,773 | 1713 | 35.89 | 64.11 | 0.00 2 | 0.08 | 2,785 | 850 | 30.52 | 69.48 | 0.12 4 | 0.10 | 5,109 | 726 | 14.21 | 85.79 | 0.26 2 | 0.20 | 8,713 | 214 | 2.45 | 97.55 | 0.36 8 | 0.06 | 3,224 | 112 | 3.47 | 96.53 | 0.44 19 | 0.06 | 3,488 | 123 | 3.53 | 96.47 | 0.55 11 | 0.06 | 5,673 | 154 | 2.71 | 97.29 | 0.64 10 | 0.10 | 6,100 | 112 | 1.84 | 98.16 | 0.74 8 | 0.09 | 8,647 | 148 | 1.71 | 98.29 | 0.85 5 | 0.16 | 5,645 | 142 | 2.52 | 97.48 | 0.93 13 | 0.12 | 10,397 | 200 | 1.92 | 98.08 | 1.07 10 | 0.08 | 12,778 | 121 | 0.95 | 99.05 | 1.13 13 | 0.14 | 13,397 | 164 | 1.22 | 98.78 | 1.25 19 | 0.13 | 10,462 | 160 | 1.53 | 98.47 | 1.34 10 | 0.12 | 12,851 | 107 | 0.83 | 99.17 | 1.46 4 | 0.27 | 16,015 | 77 | 0.48 | 99.52 | 1.57 7 | 0.53 | 12,262 | 191 | 1.18 | 98.82 | 1.64 4 | 0.58 | 26,950 | 347 | 1.29 | 98.71 | 1.74 5 | 0.29 | 14,570 | 86 | 0.59 | 99.41 | 1.84 3 | 0.23 | 13,833 | 153 | 1.11 | 98.89 | 1.92 19 | 0.40 | 18,222 | 92 | 0.50 | 99.50 | 2.48 5 | 0.45 | 29,300 | 1119 | 3.82 | 96.18 | 3.37 5 | 1.06 | 33,030 | 535 | 1.62 | 98.38 | 8.06 ------------+----------+----------+---------+----------+--------+----------- SUMMARY OF RESULTS WITH JEWELL MECHANICAL FILTER, ARRANGED ACCORDING TO SULPHATE OF ALUMINA QUANTITIES.