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<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 28-1 <br />JULY 1, 4999 -JUNE 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 M200-7 ICP t2 12 0.1 0.03 0.053 0.034 <br />Antimony, dissolved M200-8 ICP-MS 12 10 0.01 0.0001 0.001 0.003 <br />Arsenic, dissolved M2D0-8 ICP-MS 12 3 0.016 0.001 0.006 0.004 <br />Barium, dissolved M200-7 ICP t2 2 0.06 0.01 0.019 0.013 <br />Beryllium, dissolved M2DO-8 ICP-MS 12 12 0.0015 0.00005 0.0005 0.0004 <br />Boron, dissolved M200-71CP t2 0 0.72 0.52 0.607 0.063 <br />Cadmium, dissolved M200-8 ICP-MS 12 7 0.002 0.00005 0.0007 0.0006 <br />Calcium, dissolved M200-7 ICP 12 0 77.5 52.7 68.1 8.1 <br />Chromium, dissolved M200-8 ICP-MS t2 0 0.011 0.0015 0.004 0.003 <br />Cobalt, dissolved Mz00-8 ICP-MS t2 0 0.0027 0.00135 0.002 0.000 <br />Copper, dissolved M20D-8 ICP-MS 12 3 0.046 0.00125 0.021 0.016 <br />Iron, dissolved M20D-6 ICP-MS 12 6 0.12 0.005 0.030 0.036 <br />Lead, dissolved M20o-8 ICP-MS 12 10 0.0036 0.00005 0.001 0.001 <br />Lithium, dissolved M200-7 ICP 12 12 0.05 0.02 0.028 0.014 <br />Magnesium, dissolved M200-7 ICP 12 0 340 224 283.9 36.1 <br />Manganese, dissolved M20D-8 ICP-MS 12 0 0.175 0.028 0.069 0.038 <br />Mercury, dissolved M200-8 ICP-MS 12 12 0.001 0.0001 0.0005 0.0002 <br />Molybdenum, dissolved M200-8 ICP-MS 12 0 0.032 0.026 0.029 0.002 <br />Nickel, dissolved M2o0-8 ICP-MS 12 1 0.024 0.005 0.010 0.005 <br />Potassium, dissolved M200-7 ICP 12 0 4 2.9 3.5 0.4 <br />Selenium, dissolved sMasoo-sec. nn-Hydride 12 11 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 12 0 28 20.8 24.3 2.3 <br />Silver, dissolved M200-8 ICP-MS 12 11 0.00064 0.00005 0.0003 0.0002 <br />Sodium, dissolved M2oD-7 ICP 12 0 961 659 835.9 85.4 <br />Strontium, dissolved M200-7 ICP 12 0 7.14 4.66 5.888 0.762 <br />Thallium, dissolved M200-8 ICP-MS 12 12 0.0005 0.000025 0.0002 0.0002 <br />Uranium, dissolved M200-8 ICP-MS 12 1 0.0095 0.005 0.0065 0.0011 <br />Vanadium, dissolved M2oD-7 ICP 12 11 0.015 0.005 0.0088 0.0048 <br />Zinc, dissolved M2o0-8 ICP-MS t2 2 0.092 0.005 0.045 0.030 <br />Bicarb as CaC03 M23208 12 0 1130 985 1056 41 <br />Carbonate as CaC03 M2320B 12 12 10 1 6 5 <br />Hydroxide as CaC03 M2320B 12 12 10 1 6 5 <br />Total Alkalinity M23206 12 0 1130 985 1056 41 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />