Sampled from Jun 1993 through Aug 1994
            1.5
                                                     0
            1 .4 -.., ..                     .  . . .. . . ............................ ... .. ........
            . 1.3............ . ...*. .             ....,..          ....
                            P\                                             Well BG
                            I       l
           1 .2  . .. ..... " -: .......... . ............... \ ....................... .-.;- - ...- . .. . ..... .... ... ............. . .... - ... ...... ... ..................... ... .................... ...E
                           ,' I
            1.1                 0                                         Well N1

          --,        '  .        . '.     . .  .. .... .. ....... .
             " 1'/       ....... ::k   ..... .... .....................-: 1  ............ ..... . ................... ...... ............... .. ... .. ....................   : -:    -H :- , , _ ,, ; 'i   'W e ll  # 2

             0 .9 .. .  ...  ............ ..... .............   ........................... ......................................................................................................... L.. . .......:  . , .-.-X .
                            0.9 .......................       " - iW         ell #3


            0.7 1
                Jun Jy Aug Sep Oct Nov Dec Jan FebMarAprMayJun Jly Aug
                                        Month

Figure 3.3.    Monthly ammonium        nitrogen levels in groundwater from four monitoring wells at Site 6 (conventional system).




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