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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 21-2 <br />JULY 1, 1999 - MARCH 31, 2011 <br />Well ID 21-2 21-2 21-2 Numeric Earl Regulatory <br />Sample Date 9/16/2010 12/15/2010 3/3012011 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample Type* Average Avera a Average Level Indicator Regulation Standard JULY 1, 1999 -SEPTEMBER 30, 2000 OCTOBER 1, 2000 - DECEMBER 31, 2010 <br />Completion Horizon Alluvial Alluvial Alluvial NPL EWI Number4l Classification <br /> <br />Parameter (mg/1) " 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 0.14 0.15 0.13 None 0.75 0.75 Agricultural 15 0 0.2 0.15 0.162 0.017 77 0 0.17 0.1 0.15 0.012 <br />Calcium, dissolved 122 127 143 None None None None 15 0 139 100 124.8 9:0 <br /> <br />Iron, dissolved <br />0.78 <br />0.69 <br />0.84 <br />None <br />None <br />0.3 <br />Secondary <br />Drinking Water <br />15 <br />0 <br />0.89 <br />0.05 <br />0.602 <br />0.265 - <br />- a, <br />Lithium, dissolved 0.09 0.08 0.09 None 2.5 2.5 Agricultural 15 2 0.12 0.05 0.089 0.014 - I - <br />Magnesium, dissolved 158 159 164 None None None None 15 0 177 156 162.2 6.1 -- I -`. - <br />Potassium, dissolved 1.6 2.7 1.7 None 3.11 None None 15 2 2 1 L5 0.2 - - I <br />- l <br />Silica, dissolved 54.5 51.5 52.3 None 82.06 None None 15 0 57.3 34.9 50.9 5.4 r r <br />77 0 ` <br />Sodium, dissolved 223 217 218 None 425 None None 15 0 .600 201 247.8 1011 <br />Bicarb as CoC03 951 837 836 None None None None 15 0 1810 791 970 248 1_ <br />J - <br />Carbonate as CoC03 <2 <2 <2 None None None None 15 15 10 - 1 5 5 I -- <br />Hydroxide as CaC03 <2 <2 <2 None None None None 15 15 10 1 5 5 77 -- r <br />Total Alkalinity 951 837 836 None 1493 None None 15 0 1810 791 970 248 ` 1 <br /> <br />Cation-Anion Balance % <br />-1.5 <br />2.3 <br />4.1 <br />15 <br />5 <br />5 <br />4.7 <br />0.02 <br />2.8 I <br />' I = I 7 <br />Sum of Anionsmeq/L 30 27.7 27.9 14 0 33.9 27.3 29.84 1.88 <br />Sum of Cations meq/L 29.1 29 30.3 14 0 34.7 27.7 29.67 1.84 <br />Chloride 16 15 16 None None 250 Secondary <br />Drinking 15 0 23 10 13 3 <br />Cord @ 25C(umhos/cm) 2260 2190 2160 None 3154 None None 15 0 22300 2090 3684 5164 <br />` <br />! <br />Fluoride 0.3 0.2 0.3 None 210 2.0 Agricultural 15 0 0.5 0.3 0.4 0.1 . <br />111 <br />pH (units) 7.9 7.9 7.9 None None 6.5-8.5 Secondary <br />Drinking 15 0 8 6.4 7.1 0.4 <br /> <br />-- <br /> <br />Total Dissolved Solids <br />1460 <br />1620 <br />1610 <br />None <br />2060 <br />2076 a er <br />Quality <br />Standards <br />15 <br />0 <br />2550 <br />1510 <br />1661 <br />253 <br />- _ I <br />{ j - <br />I , <br />`- <br /> <br /> <br />Sulfate <br /> <br />500 <br /> <br />500 <br /> <br />510 <br /> <br />None <br /> <br />None <br /> <br />250 Secondary <br /> <br />Drinking <br /> <br />15 <br /> <br />0 <br /> <br />550 <br /> <br />530 <br /> <br />536 <br /> <br />7 <br />T <br />TDS(calc) 1650 1580 1610 15 0 - 2550 1560 1725 242 <br />TDS ratio 0.88 1.03 1 15 0 1.01 0.93 0.96 0.02 `'- <br />Temperature 13.2 8.5 10.6 15 0 18.1.: 8:7 12.1 2.5 I - I <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 "<" before a number indicates that the value is not detected. The number following "<" 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.