Field Filtering Versus Slow Pumping Study


180


20                    60                   100                   140
                                   Time (min)


180


20                    60                   100                    140
                                   Time (min)


12.8
                          40                   80                    120                   160
               20                    60                   100                   140                   18c
                                                  Time (min)



200-
ii


20


0


20


60


-40


60


        100
Time (min)


80
          100
  Time (min)


140


n |                                                                 --50


120


140


180


180


ceo:da2Olb.wql


8'












E


I


14 .-r


o 14.0-
  S13.6-

  c~13.2-


I-
z


S12-


@4


A A                                                                                                 11-1


01


63 n


I


120


160


40


160