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M <br />DESCRIPTIVE STATISTICS GROUND WATER WELL 21-2 <br />JULY 1, 9999 -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 M200-7 ICP 10 6 0.15 0.015 0.053 0.055 <br />Antimony, dissolved M200-8 ICP-MS 10 8 0.005 0.00005 0.001 0.002 <br />Arsenic, dissolved M200-8 ICP-MS 10 9 0.005 0.0005 0.002 0.001 <br />Barium, dissolved M200-7 ICP 10 0 0.05 0.016 0.023 0.011 <br />Beryllium, dissolved M200-8 ICP-MS 10 9 0.0015 0.0001 0.0004 0.0004 <br />Boron, dissolved M200-7 ICP 10 0 0.2 0.15 0.162 0.016 <br />Cadmium, dissolved M200-8 ICP-MS 10 5 0.0015 0.0002 0.0005 0.0004 <br />Calcium, dissolved M200.7 ICP 10 0 133 100 125.1 10.0 <br />Chromium, dissolved M200-B ICP-MS 10 2 0.005 0.00025 0.002 0.002 <br />Cobalt, dissolved M200-8 ICP-MS 10 0 0.0021 0.0011 0.002 0.000 <br />Copper, dissolved M200-8 ICP-MS 10 4 0.02 0.0005 0.008 0.006 <br />Iron, dissolved M200-8 ICP-MS 1D 0 0.88 0.05 0.542 0.306 <br />Lead, dissolved M200-8 ICP-MS 1D 9 0.0015 0.00005 0.000 0.000 <br />Lithium, dissolved M200-7 ICP 10 1 0.12 0.05 0.088 0.018 <br />Magnesium, dissolved M200-7 ICP 10 0 177 156 164.2 6.6 <br />Manganese, dissolved M200-8 ICP-MS 1D 0 0.101 0.042 0.085 0.020 <br />Mercury, dissolved M20D-8 ICP-MS 10 10 0.001 0.0001 0.0005 0.0003 <br />Molybdenum, dissolved M200-8 ICP-MS 10 0 0.005 0.002 0.003 0.001 <br />Nickel, dissolved M200-B ICP-MS 10 0 0.0252 0.004 0.012 0.008 <br />Potassium, dissolved M200-7 ICP 10 1 2 1 1.5 0.3 <br />Selenium, dissolved SM3500-Se C, AA-Hydride 10 10 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 1D 0 55 34.9 49.7 6.6 <br />Silver, dissolved M200-8 ICP-MS 1D 7 0.0022 0.00013 0.0005 0.0007 <br />Sodium, dissolved M200-7 ICP 10 0 600 202 274.9 125.7 <br />Strontium, dissolved M200-7 ICP 10 0 5.06 4.16 4.851 0.295 <br />Thallium, dissolved M2o0-8 ICP-MS 10 9 0.0005 0.000025 0.0002 0.0001 <br />Uranium, dissolved M20D-8 ICP-MS 10 6 0.0017 0.00015 0.0005 0.0005 <br />Vanadium, dissolved M200-7 1CP 10 10 0.015 0.0025 0.0042 0.0041 <br />Zinc, dissolved Mz00-8 ICP-MS 10 3 0.23 0.005 0.049 0.070 <br />Bicarb as CaC03 M232o8 10 0 1810 818 1025 308 <br />Carbonate as CaC03 M2320B 10 10 10 1 8 4 <br />Hydroxide as CaC03 M23208 10 10 10 1 8 4 <br />Total Alkalinity M2320B 1D 0 1810 818 1025 308 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />