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<br />~1ESGRIPTIVE STATISTICS GROUND WATER WELL 2i•4U <br />JULY i, i999 -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 12 11 0.4 0.075 0.177 0.086 <br />Antimony, dissolved M200-8 ICP-MS 12 10 0.005 0.0005 0.003 0.002 <br />Arsenic, dissolved M200-8 ICP-MS 12 6 0.08 0.005 0.021 0.020 <br />Barium, dissolved M2o0-7 ICP 12 0 5.29 4.87 5.039 0.136 <br />Beryllium, dissolved M200-8 ICP-MS 12 11 0.005 0.0005 0.0023 0.0018 <br />Boron, dissolved M200-7 ICP 12 0 3.4 2.7 3.104 0.181 <br />Cadmium, dissolved M200-8 ICP-MS 12 3 0.03 0.001 0.0093 0.0100 <br />Calcium, dissolved M200-7 ICP 12 0 8 5 5.5 0.9 <br />Chromium, dissolved M200-8 ICP-MS 12 2 0.138 0.001 0.043 0.047 <br />Cobalt, dissolved M200-8 ICP-MS 12 6 0.0025 0.0005 0.002 0.001 <br />Copper, dissolved M200-8 ICP-MS 12 6 1.25 0.005 0.195 0.372 <br />Iron, dissolved M200-8 ICP-MS 12 1 1.8 0.05 0.791 0.598 <br />Lead, dissolved M200-8 ICP-MS 12 9 0.012 0.001 0.003 0.003 <br />Lithium, dissolved M200-7 ICP 12 0 0.8 0.7 0.758 0.051 <br />Magnesium, dissolved M200-7 ICP 12 0 10 7 8.2 0.7 <br />Manganese, dissolved M200-8 ICP-MS 12 0 0.243 0.073 0.157 0.065 <br />Mercury, dissolved M20o-8 ICP-MS 12 12 0.0025 0.0001 0.0006 0.0006 <br />Molybdenum, dissolved M200-8 ICP-MS 12 4 0.018 0.001 0.005 0.005 <br />Nickel, dissolved M200-B ICP-MS 12 4 0.1 0.004 0.016 0.027 <br />Potassium, dissolved M200-7 ICP 12 0 11 6 8.9 1.3 <br />Selenium, dissolved sMSSOO-sec. AA-Hydriae 12 11 0.006 0.0005 0.002 0.002 <br />Silica, dissolved M200-7 ICP 12 0 18 12 13.3 1.7 <br />Silver, dissolved M200-8 ICP-MS 12 6 0.008 0.0005 0.0017 0.0021 <br />Sodium, dissolved M200-7 ICP 12 0 5580 4960 5248.3 194.8 <br />Strontium, dissolved M200-7 ICP 12 0 1.5 1.3 1.398 0.061 <br />Thallium, dissolved M200-8 ICP-MS 12 11 0.0025 0.00025 0.0010 0.0008 <br />Uranium, dissolved M200-81CP-MS 12 7 0.003 0.0005 0.0016 0.0010 <br />Vanadium, dissolved M200-71CP 12 12 0.05 0.0125 0.0281 0.0108 <br />Zinc, dissolved M200-8 ICP-MS 12 5 0.22 0.02 0.103 0.052 <br />Bicarb as CaC03 M2320B 12 0 11600 7120 10205 1159 <br />Carbonate as CaC03 M2320B 12 11 3120 1 327 881 <br />Hydroxide as CaC03 M23206 12 12 100 1 67 49 <br />Total Alkalinity M23206 12 0 11600 9620 10462 637 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />