LR-4                                         LR-4P
                                   downgradient well                              downgradient well
PARAMETER           04/12/93 06/09/93 09/13/93   12/14/93 04/27/94 04/12/93 06/09/93 09/13/93 12/14/93 04/27/94
Nitrate+Nitrite-N(mg/L)   13.7    10.7     4.38     2.71     18.3      9.7    10.9     6.96     6.71     8.17
Ammonia-N(mg/L)     <0.005    0.045  0.024  <0.005  <0.005  <0.005   0.026  0.013  <0.005  <0.005
Tot. diss. Phosph.(mg/L  0.03     0.04     0.04     0.04     0.04   <0.02     0.02    <0.02     0.02   <0.02
Sulfate, diss.(mg/L)      320      190      120     160      340      110      120       73      67       69
Chloride, diss.(mg/L)      72       49       33       34     68.2      29       30       25       22     23.8
COD, diss.(mg/L)           44        7        6      <5        10       9       <5        7      <5       <5
TDS(mg/L)                1120      810      592     708     1130      650      726      522     518      520
Cadmium, diss.(ug/L)                                0.13     0.07                               0.23   <0.04
Chromium, diss.(ug/L)                                  1      <1                                 2.4      <1
Lead, diss.(ug/L)                                      1      <1                                 <1       <1
Copper, diss.(ug/L)                                  2.1      2.5                                2.6      2.6
Iron, diss.(mg/L)       <0.05    <0.05    <0.05    <0.05    <0.05   <0.05    <0.05    <0.05    <0.05   <0.05
Zinc, diss.(ug/L)          24      <10       13       21       11      87      <10       11       22     <10
Calcium, diss.(mg/L)      170      130      110      130      160     100      120       99       99      <1
Magnesium, diss.(mg/L)    100       82       61       69      110      54       65       53       51      <1
Hardness, diss.(mg/L)     840      650      520      610      850     480      560      470     460       <6
Alkalinity, diss.(mg/L)   433      380      356      401      443     375      394      352      353     354
Cond., field(umhos/cm)   1100      750      720      760     610      730      650      760     600     1100
Cond., lab(umhos/cm)     1540     1160      936     1080     1580     997     1020      851      842     854
pH, lab, diss.(SU)        7.71     7.95    7.67     7.65      7.6     7.82     7.81    7.69     7.76     7.68
Temperature, field(C)      9.8      20       11        8        9      9.5      21       10        8        8
Depth to groundw. (ft)     7.3      5.9       7     9.16      9.4     7.65      6.2    7.27     9.46     9.05
empty cull Indicates data not available


   Table 1 (continued)
Site A Groundwater Data


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