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lJ <br /> <br />pESCRIPTIV!` STATISTICS GROUND WATER WELL 21.46 <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 1.9 0.15 0.504 0.492 <br />Antimony, dissolved M2o0-e ICP-MS 12 5 0.021 0.0025 0.008 0.006 <br />Arsenic, dissolved M20o-8 ICP-MS 12 2 0.49 0.015 0.131 0.123 <br />Barium, dissolved M200-7 ICP 12 0 4.41 0.09 1.589 1.190 <br />Beryllium, dissolved M200-8 ICP-MS 12 11 0.01 0.001 0.0033 0.0025 <br />Boron, dissolved M200-7 ICP t2 0 7.3 0.21 5.972 2.134 <br />Cadmium, dissolved M200-8 ICP-MS 12 2 0.04 0.0025 0.0147 0.0133 <br />Calcium, dissolved M200-7 ICP 12 7 7 1 3.2 2.1 <br />Chromium, dissolved M200-8 ICP-MS 12 2 0.484 0.0025 0.120 0.140 <br />Cobalt, dissolved M20o-8 ICP-MS t2 9 0.0061 0.0005 0.002 0.001 <br />Copper, dissolved M200-8 ICP-MS 12 4 1.17 0.0125 0.158 0.328 <br />Iron, dissolved M200-8 ICP-MS 12 2 1.9 0.06 0.547 0.525 <br />Lead, dissolved M20o-8 ICP-MS 12 7 0.02 0.002 0.005 0.005 <br />Lithium, dissolved M200-7 ICP 12 0 2.1 0.1 1.367 0.537 <br />Magnesium, dissolved M200-7 ICP 12 6 17 0.5 5.7 4.9 <br />Manganese, dissolved M20o-8 ICP-MS t2 4 0.0295 0.0025 0.011 0.009 <br />Mercury, dissolved M200-8 ICP-MS t2 12 0.005 0.0001 0.0008 0.0013 <br />Molybdenum, dissolved M200-8 ICP-MS 12 0 4.65 0.02 1.621 1.205 <br />Nickel, dissolved M200-8 ICP-MS t2 2 0.03 0.005 0.017 0.009 <br />Potassium, dissolved M200-7 ICP 12 0 52 11 33.6 10.1 <br />Selenium, dissolved sM35oo-se c, nA-Hydride t2 11 0.009 0.0005 0.003 0.002 <br />Silica, dissolved M200-7 ICP t2 0 165 13 78.7 38.3 <br />Silver, dissolved M200-8 ICP-MS t2 10 0.0025 0.0005 0.0015 0.0006 <br />Sodium, dissolved M200-7 ICP t2 0 14500 1340 12036.7 4115.3 <br />Strontium, dissolved M200-7 ICP 12 0 1.7 0.3 0.624 0.375 <br />Thallium, dissolved M200.8 ICP-MS t2 12 0.0025 0.0005 0.0014 0.0007 <br />Uranium, dissolved M2o0-8 ICP-MS 12 2 0.025 0.0015 0.0139 0.0066 <br />Vanadium, dissolved M200-7 ICP 12 2 4.1 0.005 0.6025 1.1113 <br />Zinc, dissolved M200-8 ICP-MS t2 7 0.5 0.0325 0.138 0.154 <br />Bicarb as CaC03 M2320B 12 1 27700 10 19909 7743 <br />Carbonate as CaC03 M2320B t2 1 10300 100 4607 3269 <br />Hydroxide as CaC03 M2320B 12 11 2000 1 225 561 <br />Total Alkalinity M2320B 12 0 31000 2360 24697 8417 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />