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<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 21.2 <br />JULY 1, 1999 -JUNE 30, 2000 <br /> <br />Parameter (mg/I) EPA Melhod TOTAL <br />SAMPLES BELOW <br />DETECTION MA%IMUM <br />VALUE MINIMUM <br />VALUE <br />MEAN VALUE STANDARD <br />DEVIATION <br />Aluminum, dissolved M200-7 ICP 12 7 0.15 0.015 0.048 0.048 <br />Antimony, dissolved M2oo-8 ICP-MS 12 10 0.005 0.00005 0.001 0.001 <br />Arsenic, dissolved M2oo-8 ICP-MS 12 11 0.005 0.00025 0.002 0.001 <br />Barium, dissolved M200-7 ICP 12 0 0.05 0.016 0.021 0.010 <br />Beryllium, dissolved M2oo-8 ICP-MS 12 11 0.0015 0.00005 0.0004 0.0004 <br />Boron, dissolved M20o-7 ICP 12 0 0.2 0.15 0.160 0.014 <br />Cadmium, dissolved M200-8 ICP-MS 12 6 0.0015 0.00005 0.0004 0.0004 <br />Calcium, dissolved M200-7 ICP 12 0 139 100 125.3 10.0 <br />Chromium, dissolved M200-8 ICP-MS 12 2 0.005 0.0001 0.002 0.002 <br />Cobalt, dissolved M200-8 ICP-MS 12 0 0.0021 0.0009 0.001 0.000 <br />Copper, dissolved M2oo-8 ICP-MS 12 4 0.022 0.0005 0.009 0.007 <br />Iran, dissolved M2oo-8 ICP-MS 12 0 0.89 0.05 0.588 0.291 <br />Lead, dissolved M200-8 ICP-MS 12 9 0.0281 0.00005 0.003 0.008 <br />Lithium, dissolved M200-7 ICP 12 1 0.12 0.05 0.088 0.015 <br />Magnesium, dissolved M200-7 ICP 12 0 177 156 163.2 6.5 <br />Manganese, dissolved M200-8 ICP-MS 12 0 0.11 0.042 0.088 0.018 <br />Mercury, dissolved M200-8 1CP-MS t2 12 0.001 0.0001 0.0005 0.0002 <br />Molytxienum, dissolved M200-8 ICP-MS t2 0 0.005 0.002 0.003 0.001 <br />Nickel, dissolved M200-8 ICP-MS 12 0 0.0252 0.004 0.011 0.007 <br />Potassium, dissolved M200-7 ICP 12 1 2 1 1.6 0.3 <br />Selenium, dissolved sMasoo-se c. AA-HyCride 12 12 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 12 0 57.3 34.9 50.6 6.0 <br />Silver, dissolved M2oo-8 ICP-MS 12 9 0.0022 0.000025 0.0004 0.0006 <br />Sodium, dissolved M2oo-7 ICP 12 0 600 202 257.8 111.6 <br />Strontium, dissolved M200-7 ICP 12 0 5.08 4.16 4.858 0.269 <br />Thallium, dissolved M200-8 ICP-MS 12 11 0.0005 0.000025 0.0002 0.0001 <br />Uranium, dissolved M200-8 ICP-MS 12 6 0.0017 0.00015 0.0005 0.0005 <br />Vanadium, dissolved M2oo-7 ICP 12 12 0.015 0.0025 0.0038 0.0036 <br />Zinc, dissolved M200-8 ICP-MS 12 3 0.23 0.005 0.040 0.062 <br />Bicarb as CaC03 M23206 12 0 1810 791 983 277 <br />Carbonate as CaC03 M2320B 12 12 10 1 6 5 <br />Hydroxide as CaC03 M2320B 12 12 10 1 6 5 <br />Total Alkalinity M23208 12 0 1810 791 983 277 <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />