WDNR-Study                       Helfrich-Study (1)
                                                                                leaf/grass-mix
PARAMETER                     n        MIN       MAX      MEAN        STD       MIN       MAX
Nitrate + Nitrite-N (mg/L)      21      0.023      37.2      2.23       8.05       ND       7.26
Ammonia-N(mg/L)                 21      0.037       424     74.19     111.04     1490      2060
Tot. Phosphorus(mg/L)           21       0.61       452     57.98     111.26       71        134
BOD 5 day (mg/L)                 11        16      9700      1317      2832       840      4300
Sulfate (mg/L).                 21          8       880       194       232       447        726
Chloride (mg/L)                 21          6      1540       405       427      1410      2340
COD (mg/L)                      21         97     44000      6934     12515     15800     24300
TS (mg/L)                       21        360     39871      6567      8527      1200     24500
Cadmium (ug/L)                    8      <10       < 10                            ND        ND
Chromium (ug/L)                 16          4     <100                             ND        ND
Lead (ug/L)                     16         11       150        52        31        ND        70
Copper (ug/L)                     5        10        74        37        32        ND        161
Iron (mg/L)                     20        1.8        94      18.8      27.3       10.6      23.3
Zinc (ug/L)                     21         24      1700       373       427       0.31      0.49
Calcium (mg/L)                  21         18      1800       344       471       429       758
Magnesium (mg/L)                21          4      1300       258       380       224       342
Hardness (mg/L)                 21        62      10000      1764      2712
Alkalinity (mg/L)               21         58      6563      1616      1698
Cond. at 25C(umhos/cm)          21        145     18200      4636      4404
pH, lab (SU)                    21        5.1      8.18      7.04      0.95        6.9      7.18
(1) See references list


          Table 5
Summary of Leachate Results