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<br />DESCRIPTIVE STATISTICS GRO!)t~? WATER WELL 21-3A <br />JULY 1, 1999 -MARCH 31, 2400 <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 9 0.3 0.1 0.161 0.055 <br />Antimon ,dissolved M200~8 ICP-MS 9 5 0.0255 0.0015 0.012 0.010 <br />Arsenic, dissolved M200 8 ICP~MS 9 2 0.53 0.0125 0.148 0.150 <br />Barium, dissolved M200 7 ICP 9 0 4.24 0.49 1.378 1.212 <br />Be Ilium, dissolved M200 8 ICP~MS 9 7 0.015 0.0015 0.0047 0.0045 <br />Boron, dissolved M200~7 ICP 9 0 5.8 3.7 4.354 0.582 <br />Cadmium, dissolved M200~8 ICP MS 9 5 0.016 0.0025 0.0083 0.0055 <br />Calcium, dissolved M200~7 ICP 9 1 16 2 5.1 4.3 <br />Chromium, dissolved M200-8 ICP~MS 9 0 0.217 0.009 0.080 0.062 <br />Cobalt, dissolved M200~8 ICP~MS 9 8 0.005 0.0005 0.002 0.001 <br />Copper, dissolved M200~8 ICP MS 9 6 0.83 0.005 0.136 0.268 <br />Iron, dissolved M200~8 ICP~MS 9 0 1.5 0.19 0.454 0.425 <br />Lead, dissolved M200-8 ICP~MS 9 8 0.015 0.001 0.004 0.004 <br />Lithium, dissolved M200-7 ICP 9 0 1.5 1 1.278 0.205 <br />Magnesium, dissolved M200~7 ICP 9 0 8 3 5.2 1.9 <br />Man anese, dissolved M200.8 ICP~MS 9 2 0.04 0.0025 0.019 0.011 <br />Mercu ,dissolved M200 8 ICP MS 9 9 0.0025 0.0001 0.0006 0.0008 <br />Mol bdenum, dissolved M200~8 ICP~MS 9 0 2.3 0.083 1.583 0.857 <br />Nickel, dissolved M200 8 ICP MS 9 7 0.03 0.0025 0.010 0.010 <br />Potassium, dissolved M200 7 ICP 9 0 35 18 25.2 5.2 <br />Selenium, dissolved SM3500 Se C, AA Hydritle 9 7 0.006 0.0005 0.003 0.002 <br />Silica, dissolved M200~7 ICP 9 0 92 25 67.4 29.1 <br />Silver, dissolved M200-8 ICP~MS 9 6 0.006 0.0005 0.0027 0.0019 <br />Sodium, dissolved M200~7 ICP 9 0 14100 7110 8292.2 2190.3 <br />Strontium, dissolved M200 7 ICP 9 0 1.6 0.3 0.570 0.439 <br />Thallium, dissolved M200~8 ICP-MS 9 6 0.006 0.0005 0.0025 0.0019 <br />Uranium, dissolved M200-8 ICP MS 9 1 0.024 0.004 0.0150 0.0071 <br />Vanadium, dissolved M200 7 ICP 9 1 1 0.05 0.3089 0.2733 <br />Zinc, dissolved M200~8 ICP~MS 9 7 0.25 0.025 0.096 0.082 <br />Bicarb as CaC03 M2320B 9 0 30200 5970 11408 7873 <br />Carbonate as CaC03 M2320B 9 2 8930 100 5306 3361 <br />H droxide as CaC03 M2320B 9 8 100 2 89 33 <br />Total Alkalinity M23206 9 0 30200 13900 16683 5146 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />