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<br />DESCRIPTNE STATISTICS GROUND WATE~2 WELL 29.48_ ' <br />JULY 1, 1999 -APRIL 30, 2000 <br /> <br />Parameter (mg/I) EPA Method TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE <br />MEAN VALUE STANDARD <br />DEVIATION <br />Aluminum, dissolved M20o-7 ICP 9 3 0.16 0.03 0.074 0.046 <br />Antimony, dissolved M2o0-8 ICP-MS 9 8 0.005 0.000125 0.002 0.002 <br />Arsenic, dissolved M200-8 ICP-MS 9 7 0.015 0.00125 0.007 0.006 <br />Barium, dissolved M200-7 tCP 9 0 3.26 0.775 2.705 0.773 <br />Beryllium, dissolved M200-8 tCP-MS g 3 0.0025 0.0005 0.0012 0.0008 <br />Boron, dissolved M200-7 ICP 9 0 1.01 0.36 0.848 0.199 <br />Cadmium, dissolved M200-81CP-MS 9 0 0.035 0.0009 0.0112 0.0105 <br />Calcium, dissolved M200-7 ICP 9 0 10.4 6.1 8.8 1.4 <br />Chromium, dissolved M200-8 ICP-MS 9 2 0.157 0.00025 0.020 0.052 <br />Cobalt, dissolved M2o0-8 ICP-MS 9 7 0.0028 0.000125 0.001 0.001 <br />Copper, dissolved M200-8 ICP-MS 9 5 1.04 0.00125 0.169 0.350 <br />Iron, dissolved M200-8 ICP-MS 9 0 0.15 0.06 0.098 0.031 <br />Lead, dissolved M200-8 ICP-MS 9 5 0.0025 0.00025 0.001 0.001 <br />Lithium, dissolved M200-7 ICP 9 0 0.37 0.04 0.284 0.099 <br />Magnesium, dissolved M200-7 ICP 9 0 4.3 3 3.7 0.4 <br />Manganese, dissolved M200-8 ICP-MS 9 3 0.165 0.00025 0.038 0.068 <br />Mercury, dissolved M200-8 ICP-MS 9 9 0.0005 0.0001 0.0004 0.0002 <br />Molybdenum, dissolved M200-8 ICP-MS 9 3 0.009 0.0005 0.002 0.003 <br />Nickel, dissolved M200-8 ICP-MS 9 3 0.09 0.001 0.012 0.029 <br />Potassium, dissolved M200-7 ICP 9 0 2.9 1.4 2.3 0.4 <br />Selenium, dissolved SM3500-Se C, AA-Hydritle s 9 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-71CP 9 0 18.9 13.8 15.7 1.7 <br />Silver, dissolved M20o-8 ICP-MS 9 3 0.0021 0.00015 0.0012 0.0006 <br />Sodium, dissolved M200-7 ICP 9 0 1650 635 1429.4 313.2 <br />Strontium, dissolved M200-7 ICP 9 0 2.74 1.51 2.269 0.379 <br />Thallium, dissolved M20o-8 ICP-MS 9 9 0.0015 0.000125 0.0005 0.0006 <br />Uranium, dissolved M200-8 ICP-MS 9 6 0.0015 0.00015 0.0005 0.0004 <br />Vanadium, dissolved M20o-7 ICP 9 9 0.005 0.0025 0.0047 0.0008 <br />Zinc, dissolved M2o0-8 ICP-MS g 6 0.05 0.005 0.022 0.019 <br />Bicarb as CaC03 M232oB 9 0 3620 1250 3006 694 <br />Carbonate as CaC03 M2320B 9 7 281 1 64 90 <br />Hydroxide as CaC03 M2320B 9 9 100 1 28 41 <br />Total Alkalinity M232oB g 0 3620 1300 2920 713 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />