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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 21-5 <br />JULY 1, 1999 - MARCH 31, 2010 <br />Well ID 21-5 21-5 21-5 Numeric Early Regulatory <br />Sample Date 8/25/09 11/18/09 3/16/10 Protection _ <br />Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample Type* Prima Prima Duplicate Level Indicator Re ulation Standard JULY 1, 1999 - SEPTEMBER 30, 2000 OCTOBER 1, 2000 - DECEMBER 31, 2009 <br />Completion Horizon Alluvial Alluvial Alluvial NPL EWI Number4l Classification <br /> <br />Parameter m /I * TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE MEAN <br />VALUE STANDARD <br />DEVIATION TOTAL <br />SAMPLES BELOW <br />DETECTION MAXIMUM <br />VALUE MINIMUM <br />VALUE MEAN <br />VALUE STANDARD <br />DEVIATION <br />Boron, dissolved 0.41 0.4 0.41 None 0.75 0.75 Agricultural 15 0 0.43 0.36 0.389 0.017 73 0 0.43 0.19 0.39 0.029 <br />Calcium, dissolved 53.6 52.8 49.2 None None None None 15 0 56.3 51.2 53.0 1.4 73 0 58.7 38.3 53.1 2,6 <br />Iron, dissolved 0.12 0.12 0.11 None None 0.3 Secondary <br />Drinking Water 15 0 0.23 0.06 0.173 0.048 73 0 0.5 0.07 0.150 0.062 <br />Lithium, dissolved 0.06 0.06 0.07 None 2.5 2.5 Agricultural 15 0 0.07 0.05 0.061 0.005 73 0 0.08 0.03 0.063 0.0067 <br />Magnesium, dissolved 124 129 114 None None None None 15 0 135 122 128.0 3.0 73 0 137 61.2 124.2 9.4 <br />Potassium, dissolved 2 2.1 2.4 None 3.86 None None 15 1 2.3 1 2.0 0.3 73 0: 3.5 1 2.0 0.3 <br />Silica, dissolved 27.4 28.6 28 None 31.84 None None 15 0 29.3 27 28.0 0.7 73 0 31.1 26.4 28.4 1.0 <br />Sodium, dissolved 467 462 481 None 498 None None 15 0 456 418 442.7 11.5 73 0. 520 356 468 23 <br />Bicarb as CaC03 881 905 884 None None None None 15 0 975 801 858 45 73 0 989 656 873 58 <br />Carbonate as CaC03 42 29 45 None None None None 15 14 20 1 5 6 73 57 88 1 10 20 <br />Hydroxide as CaC03 <2 <2 <2 None None None None 15 15 10 1 4 4 73 73 1 1 1 0 <br />Total Alkalinity 923 934 929 None 1167 None None 15 0 975 801 860 44 73 0 976 656 881 60 <br />Cation-Anion Balance % 1.2 -0.1 -1.25 15 7 3.35 -2.8 0.3 1.6 73 39 9.1 -10.4 -0.3 2.7 <br />Sum of Anions meq/1- 32.7 33.7 34.0 14 0 35.75 32 33.01 1.00 73 0 36 '. 30 33.79 1.14 <br />Sum of Cations meq/L 33.5 33.6 33.0 14 0 33.8 31.2 32.86 0.69 73 0 36.7 25.5 33.60 1.63 <br />Chloride 35 37 35 None 250 250 Secondary <br />Drinking <br />14 <br />0 <br />37 <br />25 <br />30 <br />3 <br />73 <br />0 <br />38 <br />`28 <br />` 32 <br />2 <br />Cond@ 25C(umhos/cm) 2630 2740 2705 None 3331 None None 15 0 2690 2110 2572 148 73 0 2970 1270 2640 209 <br />Fluoride 1.4 1.4 1.5 None 2 2 Agricultural 14 0 1.5 1.2 1.4 0.1 73- 0 1.85 0.1- 1.4 0.2 <br />pH (units) 8.4 8.3 8.3 None None 6.5-8.5 Secondary <br />Drinking 15 0 8.3 7.6 7.9 0.2 73 0 8.7 7.1 8.1 03 <br /> <br />Total Dissolved Solids <br />1910 <br />1910 <br />1900 <br />None <br />2116 <br />2319 TIDS Water <br />Quality <br />15 <br />0 <br />1940 <br />1780 <br />1855 <br />45 <br />73 <br />t 0 <br />2000 <br />1870 <br />1935 <br />29 <br />Sulfate 630 660 680 None None 250 Secondary <br />Drinkin 15 0 730 700 709 10 73 0 770 580 724 45 <br />TDS(calc) 1910 1950 1970 15 0 2010 1880 1916 37 73 ' 0 `:.2070_ 1730 1970 57 <br />TDS ratio 1 0.98 0.97 14 0 1 0.95 0.97 0.02 73 0 1.1 0.94 0.984 0.03 <br />Temperature 12.5 11.6 13.1 15 0 15.5 8.1 12.2 1.9 73 0 17,6 8.3 11.9 1.6 <br /> <br />Sample Type = Primary (one sample is represented), = Average (duplicate samples are averaged). " Constituents reported in mg/I unless otherwise noted. <br />A symbol V before a number indicates that the value is not detected. The number following V is the analytical limit of detection based upon the method and the sample matrix. <br />Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations.