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<br /> <br />DfSCRIPTIVf STAttSTICS GROUND WATfR WfL! 20.9 <br />JULY 1,1999 -MARCH 32, 2000 <br /> <br />Parameter (m /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 9 7 0.1 0.05 0.089 0.018 <br />Antimon ,dissolved M200~8 ICP-MS 9 9 0.0025 0.00015 0.001 0.001 <br />Arsenic, dissolved M200 8 ICP MS 9 8 0.038 0.00125 0.007 0.012 <br />Barium, dissolved M200.7 ICP 9 0 4.13 3.275 3.665 0.242 <br />Beryllium, dissolved M200-8 ICP-MS 9 7 0.0013 0.0005 0.0008 0.0003 <br />Boron, dissolved M200.7 ICP 9 0 1.74 1.43 1.572 0.098 <br />Cadmium, dissolved M200.8 ICP-MS 9 1 0.018 0.001 0.0085 0.0055 <br />Calcium, dissolved M200 7 ICP 9 0 11 10 10.5 0.5 <br />Chromium, dissolved M20081CP-MS 9 1 0.0325 0.001 0.016 0.010 <br />Cobalt, dissolved M200.8 ICP-MS 9 7 0.00225 0.00015 0.001 0.001 <br />Copper, dissolved M200 8 ICP MS 9 6 0.13 0.00125 0.023 0.043 <br />Iron, dissolved M200.8 ICP-MS 9 0 0.69 0.12 0.289 0.196 <br />Lead, dissolved M200-8 ICP-MS 9 8 0.002 0.00025 0.001 0.001 <br />Lithium, dissolved M200.7 ICP 9 0 0.62 0.6 0.602 0.007 <br />Magnesium, dissolved M200-7 ICP 9 0 5 4 4.8 0.4 <br />Man anese, dissolved M200-8 ICP-MS 9 0 0.0825 0.014 0.033 0.026 <br />Mercu ,dissolved M200-8 ICP-MS 9 8 0.0005 0.0001 0.0003 0.0002 <br />Mol bdenum, dissolved M200~8 ICP-MS 9 2 0.005 0.001 0.002 0.002 <br />Nickel, dissolved M200~8 ICP-MS 9 6 0.01 0.001 0.004 0.003 <br />Potassium, dissolved M200.7 ICP 9 0 6.5 5 5.5 0.6 <br />Selenium, dissolved SM3500-Se C, AA Hytlride 9 9 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200.7 ICP 9 0 19 16.3 17.6 0.9 <br />Silver, dissolved M200-81CP-MS 9 0 0.0021 0.001 0.0016 0.0004 <br />Sodium, dissolved M200-7 ICP 9 0 2550 2260 2381.1 108.1 <br />Strontium, dissolved M200-7 ICP 9 0 2.99 2.5 2.723 0.140 <br />Thallium, dissolved M200.8 ICP-MS 9 8 0.001 0.00015 0.0004 0.0003 <br />Uranium, dissolved M200~8 ICP MS 9 9 0.0005 0.00015 0.0003 0.0002 <br />Vanadium, dissolved M200-7 ICP 9 9 0.015 0.0025 0.0119 0.0054 <br />Zinc, dissolved M200.8 ICP MS 9 5 0.4 0.005 0.101 0.150 <br />Bicarb as CaC03 M2320B 9 0 5100 4160 4711 300 <br />Carbonate as CaC03 M2320B 9 7 536 1 109 174 <br />H droxide as CaC03 M23206 9 9 100 1 38 47 <br />Total Alkalinity M23206 9 0 5100 4160 4794 303 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit far all statistical calculations. <br />