Figure 6. 24 inch column receiving 1 gallon/day high strength effluent (column 8)

6
-5
E
._ 4
E3
0

25
E
20.
*15 E
-

'                 N   N  e  q       Dripvolune

irre in Mnutes

--- Total drip volume

Figure 7. 30 inch column receiving 2 gallon/day low strength effluent (column 6)
16                                           80
70 E
E  12                                         .60  .-
0-o                                        -50 E
0 6
o-4                                 20
0-                                          0
T m   inN' ri u      --l -- T otal dip d um e
Tme in nutLes            --Total drip Wdurm