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<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 29.4A <br />JULY 1, 1999 -JUNE 30, 2000 <br /> <br />Parameter (mg/I) EPA Melhod TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE <br />MEAN VALUE STANDARD <br />DEVIATION <br />Aluminum, dissolved M200-7 ICP t2 11 0.4 0.015 0.158 0.101 <br />Antimony, dissolved M200-8 ICP-MS 12 8 0.015 0.0005 0.004 0.004 <br />Arsenic, dissolved M200-8 ICP-MS t2 6 0.23 0.0015 0.042 0.063 <br />Barium, dissolved M200-7 ICP 12 0 2.33 0.68 1.135 0.458 <br />Beryllium, dissolved M200-8 ICP-MS t2 11 0.00875 0.00025 0.0026 0.0025 <br />Boron, dissolved M200-7 ICP t2 0 5.5 1.35 2.082 1.134 <br />Cadmium, dissolved M20o-8 ICP-MS t2 2 0.03 0.0025 0.0094 0.0089 <br />Calcium, dissolved M200.7 ICP 12 0 14 4.8 7.6 2.4 <br />Chromium, dissolved M200-8 ICP-MS t2 2 0.174 0.0037 0.035 0.047 <br />Cobalt, dissolved M200-8 ICP-MS t2 10 0.0025 0.00015 0.001 0.001 <br />Copper, dissolved M200-8 ICP-MS 12 4 2.78 0.0015 0.314 0.793 <br />Iron, dissolved M200-e ICP-MS t2 3 1.9 0.025 0.282 0.517 <br />Lead, dissolved M200-B ICP-MS 12 8 0.015 0.00045 0.004 0.004 <br />Lithium, dissolved M200-7 ICP t2 1 1.2 0.1 0.354 0.285 <br />Magnesium, dissolved M200-7 ICP 12 0 12 6 9.3 1.7 <br />Manganese, dissolved M200-8 ICP-MS t2 1 0.033 0.005 0.015 0.007 <br />Mercury, dissolved M200-B ICP-MS 12 12 0.0025 0.0001 0.0005 0.0006 <br />Molybdenum, dissolved M200-8 ICP-MS 12 2 0.104 0.005 0.019 0.027 <br />Nickel, dissolved M200-8 ICP-MS t2 8 0.025 0.0006 0.007 0.007 <br />Potassium, dissolved M200-7 ICP 12 0 44 5 11.3 10.9 <br />Selenium, dissolved SM3500-Se C. AA-Hydritle t2 11 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 12 0 63 23.3 32.3 10.3 <br />Silver, dissolved M200-8 ICP-MS 12 7 0.0025 0.0005 0.0013 0.0006 <br />Sodium, dissolved M200-7 ICP t2 0 15700 2760 5743.3 3352.0 <br />Strontium, dissolved M200-7 ICP t2 0 1.3 0.47 0.699 0.212 <br />Thallium, dissolved M200-8 ICP-MS 12 10 0.005 0.00015 0.0016 0.0014 <br />Uranium, dissolved M200-8 ICP-MS 12 3 0.012 0.0015 0.0044 0.0033 <br />Vanadium, dissolved MZ00-71CP 12 10 0.2 0.015 0.0383 0.0510 <br />Zinc, dissolved M200-8 ICP-MS 12 6 0.8 0.01 0.120 0.221 <br />Bicarb as CaC03 M232oB 12 0 24900 4170 8389 5386 <br />Carbonate as CaC03 M2320B t2 3 700 10 303 257 <br />Hydroxide as CaC03 M23206 12 12 100 1 37 47 <br />Total Alkalinity M2320B t2 0 25600 4320 8675 5509 <br /> <br /> <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />