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<br />~~ <br />DESCRIPTIVE STATISTICS GROUND WATER WELL 20-1 <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 7 7 1 0.3 0.629 0.350 <br />Antimony, dissolved M2oo-8 ICP-MS 7 7 0.01 0.0025 0.005 0.004 <br />Arsenic, dissolved M200-8 ICP-MS 7 4 0.3 0.015 0.112 0.112 <br />Barium, dissolved M2oo-7 ICP 7 0 6.93 0.33 3.533 1.984 <br />Beryllium, dissolved M200-8 ICP-MS 7 6 0.03 0.0025 0.0125 0.0107 <br />Boron, dissolved M2oo-7 ICP 7 0 13.8 4.9 9.629 3.018 <br />Cadmium, dissolved M200-8 ICP-MS 7 4 0.03 0.0025 0.0126 0.0096 <br />Calcium, dissolved M200-7 ICP 7 5 10 2 4.9 2.9 <br />Chromium, dissolved M20o-8 ICP-MS 7 0 0.72 0.15 0.349 0.204 <br />Cobalt, dissolved M2oo-3 ICP-MS 7 7 0.005 0.0015 0.003 0.001 <br />Copper, dissolved M2oo-a ICP-MS 7 3 0.8 0.025 0.358 0.318 <br />Iron, dissolved M200-8 ICP-MS 7 0 2.8 1.6 2.257 0.454 <br />Lead, dissolved M20o-8 ICP-MS 7 0 0.15 0.01 0.070 0.049 <br />lithium, dissolved M200-7 ICP 7 0 4 1.6 2.671 0.801 <br />Magnesium, dissolved M2oo-71CP 7 5 10 2 4.7 2.8 <br />Manganese, dissolved M200-8 ICP-MS 7 1 0.09 0.01 0.037 0.028 <br />Mercury, dissolved M200-8 ICP-MS 7 7 0.01 0.0001 0.0018 0.0036 <br />Molytxienum, dissolved M200-8 ICP-MS 7 0 0.31 0.01 0.156 0.093 <br />Nickel, eissolved M2oo-8 ICP-MS 7 4 0.03 0.01 0.017 0.008 <br />Potassium, dissolved M20o-7 ICP 7 0 160 87 101.6 26.1 <br />Selenium, dissolved SM3500-Se C, AA-HydriOe 7 7 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 7 0 50 19 30.4 9.8 <br />Silver, tlissolved M20o-8 ICP-MS 7 6 0.01 0.0015 0.0045 0.0028 <br />Sodium, dissolved M200-7 ICP 7 0 29900 10600 20814.3 6010.4 <br />Strontium, dissolved M200-7 ICP 7 1 1.1 0.1 0.643 0.315 <br />Thallium, dissolved M200-8 ICP-MS 7 6 0.005 0.0015 0.0033 0.0014 <br />Uranium, dissolved M200-8 ICP-MS 7 7 0.005 0.0015 0.0029 0.0015 <br />Vanadium, dissolved M200-7 ICP 7 6 0.3 0.05 0.1143 0.0945 <br />Zinc, dissolved M200-8 ICP-MS 7 1 29.9 0.2 13.171 9.912 <br />Bicarb as CaC03 M2320B 7 0 38100 15800 29443 9058 <br />Carbonate as CaC03 M2320B 7 4 1990 1 620 793 <br />Hydroxide as CaC03 M232oB 7 7 100 1 43 53 <br />Total Alkalinity M232oB 7 0 38100 17200 30029 8753 <br /> <br />Analyle concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />