..| 206.4 | 109.6 | 48.89 | 40.5 | 14.41 | 12.61
------------------+--------+--------+--------+---------+---------+--------
Million gallons filtered per acre per run:
Maximum.......| 242.61 | 484.46 | 534.67 | 960.72 |1,463.35 |1,022.27
Minimum.......| 202.60 | 135.66 | 93.79 | 92.57 | 19.53 | 53.32
Average.......| 218.58 | 302.82 | 326.76 | 417.23 | 374.14 | 361.92
------------------+--------+--------+--------+---------+---------+--------
Cubic yards of sand removed per acre at end of each run:
Maximum.......| 269 | 269 | 672 |1,612 |2,420 |3,360
Minimum.......| 269 | 134 | 101 | 134 | 134 | 101
Average.......| 269 | 213 | 272 | 392 | 583 | 635
------------------+--------+--------+--------+---------+---------+--------
Cubic yards of | | | | | |
sand removed | | | | | |
per acre per | | | | | |
million gallons | | | | | |
filtered........| 1.23 | 0.70 | 0.83 | 0.94 | 1.55 | 1.72
------------------+--------+--------+--------+---------+---------+--------
Average initial | | | | | |
loss of head....| 0.07 | 0.19 | 0.51 | 0.78 | 3.88 | 5.38
------------------+--------+--------+--------+---------+---------+--------
Turbidity, influent:
Maximum.......| 120 | 120 | 120 | 120 | 90 | 100
Minimum.......| 2 | 2 | 2 | 2 | 2 | 2
Average.......| 20 | 20 | 21 | 22 | 18 | 19
------------------+--------+--------+--------+---------+---------+--------
Turbidity, effluent:
Maximum.......| 11 | 13 | 17 | 18 | 30 | 30
Minimum.......| 0 | 0 | 0 | 0 | 0 | 0
Average.......| 1 | 1 | 2 | 2 | 4 | 3
------------------+--------+--------+--------+---------+---------+--------
Percentage | | | | | |
reduction | 95.0 | 95.0 | 90.5 | 90.9 | 77.8 | 84.3
------------------+--------+--------+--------+---------+---------+--------
Bacteria, influent:
Maximum.......|180,000 |180,000 |180,000 | 110,000 | 180,000 | 37,500