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<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 20-10 <br />JULY 1, 1999 -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 10 0.1 0.015 0.034 0.032 <br />Antimony, dissolved M2oo-8 ICP-MS 11 9 0.0005 0.0001 0.000 0.000 <br />Arsenic, dissolved M2oo-8 ICP-MS 12 3 0.01 0.001 0.004 0.003 <br />Barium, dissolved M200-7 ICP 12 0 0.14 0.091 0.114 0.013 <br />Beryllium, dissolved M2oo-8 ICP-MS 11 10 0.0005 0.00005 0.0003 0.0002 <br />Boron, dissolved M200-7 ICP 12 0 0.22 0.18 0.202 0.011 <br />Cadmium, dissolved M200-8 ICP-MS 12 8 0.001 0.00005 0.0004 0.0002 <br />Calcium, dissolved M200-7 ICP 12 0 17.3 5 11.8 4.4 <br />Chromium, dissolved M200-8 ICP-MS 12 1 0.01 0.0002 0.003 0.003 <br />Cobalt, dissolved M200-8 ICP-MS 12 5 0.00095 0.00015 0.000 0.000 <br />Copper, dissolved M200-B ICP-MS 12 2 0.153 0.0009 0.023 0.044 <br />Iron, dissolved M2oo-8 ICP-MS 12 0 0.23 0.01 0.057 0.061 <br />Lead, dissolved M2oo-8 ICP-MS 12 9 0.001 0.00005 0.000 0.000 <br />Lithium, dissolved M200-7 ICP 12 2 0.09 0.05 0.073 0.014 <br />Magnesium, dissolved M200-7 ICP 12 0 37.8 17 28.1 7.5 <br />Manganese, dissolved M200-8 ICP-MS 11 0 0.0704 0.0104 0.031 0.021 <br />Mercury, dissolved M200-8 ICP-MS 12 10 0.001 0.0001 0.0003 0.0003 <br />Molybdenum, dissolved M200-8 ICP-MS 12 0 0.108 0.0026 0.014 0.030 <br />Nickel, dissolved M200-8 ICP-MS t2 1 0.004 0.0002 0.002 0.001 <br />Potassium, dissolved M200-7 ICP 12 2 1.6 0.6 1.2 0.3 <br />Selenium, dissolved SM3500-Se C, AA-Hydride 12 10 0.006 0.0005 0.003 0.002 <br />Silica, dissolved M200-7 ICP 12 0 20.1 17.1 18.6 0.8 <br />Silver, dissolved M2oo-8 ICP-MS 12 12 0.0005 0.000025 0.0002 0.0001 <br />Sodium, dissolved M2oo-7 ICP 12 0 694 303 493.0 137.3 <br />Strontium, dissolved M2oo-7 ICP 12 0 2.8 1.26 2.032 0.555 <br />Thallium, dissolved M2oo-8 ICP-MS 12 12 0.0005 0.000025 0.0001 0.0001 <br />Uranium, dissolved M200-8 ICP-MS 12 0 0.0147 0.004 0.0094 0.0030 <br />Vanadium, dissolved M200-7 ICP 12 12 0.0125 0.0025 0.0035 0.0029 <br />Zinc, dissolved M200-8 ICP-MS 12 3 0.12 0.002 0.029 0.034 <br />Bicarb as CaC03 M2320B 12 0 1230 588 829 255 <br />Carbonate as CaC03 M2320B 12 3 390 1 93 107 <br />Hydroxide as CaC03 M23208 12 12 10 1 5 5 <br />Total Alkalinity M2320B 12 0 1315 611 922 308 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />