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• <br />DESCRIPTIVE STATISTICS GROUND WATER WELL 20-1 <br />JULY 1, 1999 -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 5 5 1 0.3 0.740 0.358 <br />Antimony, dissolved M2oo-8 ICP-MS 5 5 0.005 0.0025 0.003 0.001 <br />Arsenic, dissolved M200-8 ICP-MS 5 4 0.3 0.015 0.083 0.122 <br />Barium, dissolved M200-7 ICP 5 0 6.93 2.41 4.028 1.704 <br />Beryllium, dissolved M200-8 ICP-MS 5 4 0.03 0.0025 0.0145 0.0123 <br />Boron, dissolved M2oo-7 ICP 5 0 13.8 7.5 10.560 2.643 <br />Cadmium, dissolved M200-8 ICP-MS 5 3 0.021 0.0025 0.0097 0.0071 <br />Calcium, dissolved M200-7 ICP 5 3 10 2.5 5.9 2.8 <br />Chromium, dissolved M200-8 ICP-MS 5 0 0.72 0.188 0.416 0.206 <br />Cobalt, dissolved M200-8 ICP-MS 5 5 0.005 0.0015 0.003 0.001 <br />Copper, dissolved M2oo-e ICP-MS 5 3 0.8 0.025 0.305 0.368 <br />Iron, dissolved M200-B ICP-MS 5 0 2.7 1.9 2.2$0 0.356 <br />Lead, dissolved M200-8 ICP-MS 5 0 0.11 0.01 0.061 0.041 <br />Lithium, dissolved M200-7 ICP 5 0 4 2 2.840 0.792 <br />Magnesium, dissolved M200-7 ICP 5 4 10 2 4.9 3.2 <br />Manganese, dissolved M200-6 ICP-MS 5 1 0.056 0.01 0.030 0.019 <br />Mercury, dissolved M200-8 ICP-MS 5 5 0.01 0.0001 0.0023 0.0043 <br />Molybdenum, dissolved M200-8 ICP-MS 5 0 0.209 0.01 0.130 0.078 <br />Nickel, dissolved M200-8 ICP-MS 5 3 0.02 0.01 0.014 0.005 <br />Potassium, dissolved M200-7 ICP 5 0 160 87 106.2 30.5 <br />Selenium, dissolved SM3500-se C, AA-Hydride 5 5 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M2oo-7 ICP 5 0 50 24 33.4 9.8 <br />Silver, dissolved M200-8 ICP-MS 5 4 0.01 0.0015 0.0048 0.0033 <br />Sodium, dissolved M2oo-7 ICP 5 0 29900 16700 22720.0 4842.2 <br />Strontium, dissolved M200-7 ICP 5 0 1.1 0.4 0.740 0.251 <br />Thallium, dissolved M200-8 ICP-MS 5 4 0.005 0.0015 0.0031 0.0014 <br />Uranium, dissolved M2oo-8 ICP-MS 5 5 0.005 0.0015 0.0026 0.0014 <br />Vanadium, dissolved M2oo-7 ICP 5 4 0.3 0.05 0.1400 0.1025 <br />Zinc, dissolved M200-8 ICP-MS 5 1 20 0.2 10.280 8.103 <br />Bicarb as CaC03 M232o8 5 0 34200 15800 30200 8056 <br />Carbonate as CaC03 M23208 5 3 1990 1 712 911 <br />Hydroxide as CaC03 M2320B 5 5 100 1 60 54 <br />Total Alkalinity M2320B 5 0 36200 17200 30880 7729 <br /> <br />Analyle concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />