<pre>


   Figure 4.3 Temperature readings for the pump chamber in the recirculating sand
               filter and the septic tank at Site 1.


  20
           9 ] 1 a I ....... i i                                           _  .  . .          II

           10-------------------------------------------/.:
                      - -.. .-.-.. .. . . - / '- .L %"., "IA,-.-


        V                                                           k
a-J 0
I- 5) . . . . . .     . .   . .  .

(10) . . . . . . .      . .  . . .     .

  (15)SEP                     OCT        I       NOV                DEC                JAN
                                       1992                                            1993


</pre>