2000-07-27_REVISION - M1999002 (6)

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DESCRIPTIVE $TATISTIC5 GROUND W,1~17`ER WELL~21.4D.AND~,21 ~,hDX ~ ,,h_Fr ~;. ,°; - JULY 1,1999"-JULY31,2000" ~ - .~ , ,' `' Parameter (mg/I) EPA Method TOTAL SAMPLES BELOW DETECTION MAXIMUM VALUE MINIMUM VALUE MEAN VALUE STANDARD DEVIATION Aluminum, dissolved M200-7 ICP 9 9 1.5 0.3 0.822 0.424 Antimorry, dissolved M200.8 ICP-MS s 6 0.01 0.002$ 0.006 ~ 0.002 Arsenic, dissolved M200-e ICP-MS s 1 0.13 0.025 0.091 0.031 Barium, dissolved M2o0-71CP 9 0 6.27 3.29 5.211 1.031 Beryllium, dissolved M2o0-t3 ICP-MS s 6 0.02 0.0025 0.0079 0.0055 Boron, dissolved M200-7 ICP 9 0 12 10.1 11.028 0.552 Cadmium, dissolved M200.8 ICP-MS s 2 0.05 0.005 0.0162 0.0147 Calcium, dissolved M2D0.7 ICP 9 3 20 5 "12.4 7.1 Chromium, dissolved M200-8 ICP-MS 9 0 0.74 0.218 0.398 0.187 Cobalt, dlssoroed M200-8 ICP-MS 9 9 0.005 0.00125 0.003 0.001 Copper, dissolved M200-8 ICP-MS 9 4 0.39 0.0125 0.128 0.135 Iron, dissolved M20D-8 ICP-MS s D 9 0.75 3.633 ' 2.548 Lead, dissolved M200-8 ICP-MS 9 1 0.061 0.01 0.030 0.014 lithium, dissolved M200-7 ICP s 0 4 2.9 3.238 0.414 Magnesium, dissolved M200-7 ICP 9 5 10 2 6.7 3.1 Ma anese, dissolved M200-8 ICP-MS 9 0 0.17 0.024 0.078 0.047 Mercury, dissolved M200.8 ICP-MS 9 8 0.01 0.0001 0.0017 0.0031 Molybdenum, dissolved M200-8 ICP-MS 9 0 3.43 0.02 0.771 1.225 Nickel, dissolved M200-8 ICP-MS 9 4 0.08 0.005 0.027 0.026 Potassium, dissolved M20o-7 ICP 9 0 161 130 141.4. ;,10.5 Selenium, dissolved SM950ose C, nn-Nydrloe s 7 0.003 0.0005 0.002 0.001 Silica, dissolved M200.7 ICP 9 0 41 15 "" 25.2 9.5 Silver, dissolved M200-8 ICP-MS 9 8 0.005 0.0015 0.0027 0.0011 Sodium, dissolved M200-7 ICP s 0 29100 25300 27317 1495.8 Strontium, dissolved M200-7 ICP 9 1 1.2 0.5 0.922 0.192 7hanlum, dissolved M200-8 ICP-MS 9 0.011 0.00125 0.0034 0.0031 Uranium, dissolved M200-8 ICP-MS 9 6 0.0345 0.0015 0.0077 0.0106 Vanadium, dissolved M200.7 ICP 9 8 0.9 0.005 0.2617 0.2684 Zinc, dissolved M200-8 ICP-MS 9 0 3.5 0.2 2.583 1.012 Btcarb as CafA3 M23208 9 0 49900 38000 41550 3677 Carbonate as CaC03 M2320B s 8 2930 1 359 965 Hydroxide as CaC09 M23208 9 9 100 1 34 50 Total Alkalinity M232o6 9 0 49900 38000 41872 3730 Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations.