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<br />DESCRIPTIVE STATISTICS GROUND WATER WELL 29-4U <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 12 1 1.01 0.015 0.214 0.255 <br />Antimony, dissolved M200-8 ICP-MS 12 7 0.0131 0.00015 0.002 0.004 <br />Arsenic, dissolved M200-8 ICP-MS 12 2 0.106 0.0025 0.018 0.028 <br />Barium, dissolved M200-7 ICP 12 0 0.366 0.048 0.101 0.090 <br />Beryllium, dissolved M200-8 ICP-MS 12 12 0.0005 0.00005 0.0002 0.0002 <br />Boron, dissolved M200-7 ICP 12 0 0.36 0.29 0.319 0.023 <br />Cadmium, dissolved M200-8 ICP-MS t2 9 0.001 0.0001 0.0004 0.0004 <br />Calcium, dissolved M200-7 ICP 12 0 7.7 3.1 4.4 1.1 <br />Chromium, dissolved M200-8 ICP-MS t2 2 0.00429 0.0001 0.002 0.001 <br />Cobalt, dissolved M200-8 ICP-MS 12 7 0.00035 0.0001 0.000 0.000 <br />Copper, dissolved M200-8 ICP-MS 12 5 0.068 0.001 0.015 0.021 <br />Iron, dissolved M200-8 ICP-MS 12 0 0.4 0.03 0.105 0.095 <br />Lead, dissolved M200-8 ICP-MS t2 2 0.002 0.00025 0.001 0.001 <br />Lithium, dissolved M200-7 ICP t2 0 0.13 0.06 0.073 0.020 <br />Magnesium, dissolved M200-7 ICP 12 0 8.9 4.3 6.2 1.7 <br />Manganese, dissolved M200-81CP-MS 12 0 0.0797 0.003 0.020 0.020 <br />Mercury, dissolved M200-8 ICP-MS 12 12 0.0005 O.000t 0.0003 0.0002 <br />Molybdenum, dissolved M200-8 ICP-MS 12 0 0.118 0.0513 0.070 0.017 <br />Nickel, dissolved M200-8 ICP-MS 12 5 0.023 0.0005 0.003 0.006 <br />Potassium, dissolved M200-7 ICP 12 0 6 2.2 2.9 1.2 <br />Selenium, dissolved SM9500-Se C, AA-Hydride 12 11 0.003 0.0005 0.002 0.001 <br />Silica, dissolved M200-7 ICP 12 0 34.9 15.2 21.0 4.7 <br />Silver, dissolved M200-8 ICP-MS t2 10 0.0015 0.00005 0.0003 0.0004 <br />Sodium, dissolved M200-71CP t2 0 1480 472 619.3 279.1 <br />Strontium, dissolved M200-7 ICP t2 0 0.41 0.21 0.309 0.072 <br />Thallium, dissolved M200-8 ICP-MS 12 11 0.0005 0.00005 0.0002 0.0001 <br />Uranium, dissolved M200-8 ICP-MS t2 0 0.0409 0.0077 0.0162 0.0099 <br />Vanadium, dissolved M200-7 ICP 12 11 0.042 0.0025 0.0060 0.0114 <br />Zinc, dissolved M200-8 ICP-MS 12 3 0.09 0.005 0.023 0.023 <br />Bicarb as CaC03 M232oB 12 0 1500 400 671 308 <br />Carbonate as CaC03 M2320B t2 0 740 110 230 178 <br />Hydroxide as CaC03 M2320B 12 12 10 1 6 5 <br />Total Alkalinity M23208 12 0 2240 640 900 440 <br /> <br />Analyle concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations. <br />