2000-07-27_REVISION - M1999002 (9)

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`HI" "`~y ESCRIPTII/E STATISTICS GROUND W~A~'ER WEL'C: 2t~-~ `ar , ~ ~, '„"~ n JUI;Y~,1999-.JULY31;p20OO.~ .::-{`''v :.;;~ "` Parameter (mg/I) EPA Method TOTAL SAMPLES BELOW DETECTION MAXIMUM VALUE MINIMUM VALUE MEAN VALUE STANDARD DEVIATION Aluminum, dissolved M2o0-7 ICP 13 13 0.03 0.03 0.03 0.000 Antimony, dissolved M2D0-B ICP-MS 19 10 0.02 0.00015 0.002 0.005 Arsenic, dissolved M2D0-8 IcP-MS 13 12 0.025 0.0005 0.005 0.007 Bazium, dissolved M200.7 ICP t3 0 0.551 0.193 0.427 -0.114 Beryllium, dissolved M200.81CP-MS 13 12 0.005 0.00025 0.0009 0.0014 Boron, dissolved M200.7 ICP 13 0 0.44 0.27 0.376 0.057 Cadmium, dissolved M200-81CP-MS 13 1 0.02 0.0005 0.0066 0.0055 Calcium, dissolved M200.7 ICP 13 0 52.3 19.45 26.8 ~ 7.9 Chromium, dissolved M200-8 ICP-MS 13 3 0.111 0.00025 0.012 0.031 Cuban, dissolved Mzoo-e ICP-MS 19 8 0.0025 0.00015 0.001 0.001 Copper, dissolved M200-S ICP-MS 13 4 0.25 0.0015 0.034 0.068 Iron, dissolved M200-8 ICP-MS 13 0 2.45 0.052 0.519 0.599 Lead, dissolved M200-B ICP-MS 13 10 0.0955 0.0001 0.008 0.026 Lithium, dissolved M200-71CP t3 0 0.22 0.1 0,180 0.038 Magnesium, dissolved M200-7 ICP 13 0 82.2 45.45 58.3 8.0 Manganese, dissolved M200-e ICP-MS 13 0 0.144 0.011 0.037 0.036 Mercury, dissolved M200-8 ICP-MS 13 13 0.001 0.0001 0.0005 0.0003 Molybdenum, dissoved M200-e ICP-MS 13 2 0.005 0.0004 0.002 .0.001 Nickel, dissolved M20o-81CP-MS 13 3 0.01 0.001 0.003 0.003 Potasslum,dissolved M200.71CP 73 0 1.7 0.3 -1.3 0.3 Selenium, dissolved SM3500-Se C, AA-HydrlAe 13 13 0.003 0.0005 0.002 0.001 Sillea, dissolved M2ao-7 ICP t3 0 37 21.6 27.0 3.5 Silver, dissolved M2D0-81CP-MS 13 3 0.0025 0.00015 0.0011 0.0006 Sodium, dissolved M2D0-7 ICP t3 0 1340 873 1160.2 179.0 Strontium, dissolved M200-7 ICP 13 0 5.72 4.445 5.245 0.397 Thallium, dissolved M2oo-8 ICP-MS t3 12 0.0025 0.0001- 0.0004 0.0008 Uranium, dissolved M200-e ICP-MS 13 3 0.0025 0.00015 0.0006 0.0006 vanadium, dissolved M200-7 ICP 13 12 0.025 0.005 - 0.0067 0.0055 Zinc, dissolved M20o-81CP-MS 13 10 0.1 0.005 0.021 0.028 Blcarb as CaCO3 M23206 13 0 3360 1790 2602 376 Carbonafe as CaCO3 M2320B 13 11 195 1 26 54 Hydroxide as CaCO3 M23208 19 13 10 1 7 5 Tofal Alkalinity M2320B 13 0 3360 1790 2622 368 Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations.