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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 21-2 <br />JULY 1, 1999 - DECEMBER 31, 2010 <br />Well ID 21-2 21-2 21-2 Numeric Earl Regulatory <br />Sample Date 6/2/2010 9/16/2010 9/16/2010 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample Type* Prima Avera a Average Level Indicator Regulation Standard JULY 1, 1999 - SEPTEMBER 30, 2000 OCTOBER 1, 2000 - SEPTEMBER 30, 2010 <br />Completion Horizon Alluvial Alluvial Alluvial NPL EWI Number 41 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 0.15 0.14 0.15 None 0.75 0.75 Agricultural 15 0 0.2 0.15 0.162 0.017 76 0 0.17 0.1 0.15 0.012 <br />Calcium, dissolved 122 122 127 None None None None 15 0 139 100 124.8 9.0 76 0 145 114 125.3 5.5 <br />Iron, dissolved 0.64 0.78 0.69 None None 0.3 <br />Drinking ng Wat$BC Water <br />15 <br />0 <br />0.89 <br />0.05 <br />0.602 <br />0.265 <br />76 <br />0 <br />0.88 <br />0.062 <br />0.703 <br />0.146 <br />Lithium, dissolved 0.09 0.09 0.08 None 2.5 2.5 Agricultural 15 2 0.12 0.05 0.089 0.014 76 3 0.5 0.05 0.095 0.048 <br />Magnesium, dissolved 159 158 159 None None None None 15 0 177 156 162.2 6.1 76 0 185 146 161.3 7.1 <br />Potassium, dissolved 1.9 1.6 2.7 None 3.11 None None 15 2 2 1 1.5 0.2 76 3 2.2 1 1.4 020 ' <br />Silica, dissolved 51 54.5 51.5 None 82.06 None None 15 0 57.3 34.9 50.9 5.4 76 0 66 49.3 54.3 2.45 <br />Sodium, dissolved 216 223 217 None 425 None None 15 0 600 201 , 247.8 101.1 76 . 0 247 180 210 12 <br />Bicorb as COC03 882 951 837 None None None None 15 0 1810 791 970 248 76 0 1050 645 870 63 <br />Carbonate as CoCO3 <2 <2 <2 None None None None 15 - 15 10 1 5 5' 76 76 1 -2 1 0 <br />Hydroxide as CaC03 <2 <2 <2 None None None None 15 15 10 1 5 5 76 76 1 -2 1 0 <br />Total Alkalinity 882 951 837 None 1493 None None 15 0 - 1810 791 970 248 76 0 1050 645. 870 63 <br />Cation-Anion Balance % -0.2 -1.5 2.3 15 5 5 -4.7 0.02 2.8 76 40 10.2 -7.9 0.4 3.2 <br />Sum of Anions meq/L 28.8 30 27.7 14 s 0 .:33.9 27.3 29.84 1.88 76 0... 32.6 25.3 28.75 1.31 <br />Sum of Cations meq/L 28.7 29.1 29 14 0 34.7 27.7 29.67 1.84 76 0 33 26.3 28.89 1.14 <br />Chloride 16 16 15 None None 250 Secondary <br />Drinking <br />15 <br />0 <br />23 <br />10 <br />13 <br />3 <br />76 <br />0 <br />AS <br />10 <br />14 <br />2 <br />Cond @ 25C(umhos/cm) 2190 2260 2190 None 3154 None None 15 0 22300 2090 3684 5164 76 0 2395 565 2143 212 <br />Fluoride 0.3 0.3 0.2 None 2.0 2.0 Agricultural `.15 0 0.5 0.3 0.4 01 76 1 18 0.05 0.5 2.0 <br />pH (units) 7.7 7.9 7.9 None None 6.5-8.5 Secondary <br />Drinking 15 0 8 6.4 7.1 0.4 76 0 8.2 5.5 7.4 04 <br /> <br />Total Dissolved Solids <br />1560 <br />1460 <br />1620 <br />None <br />2060 <br />2076 er <br />Quality <br />Standards <br />15 <br />0 <br />2550 <br />1510 <br />1661 <br />253 <br />76 <br />0 <br />1700 <br />1460 <br />1575 <br />38 <br />Sulfate 510 500 500 None None 250 Secondary <br />Drinking 15 0 550 530 536 7 76 0 750 400 520 38 <br />TDS(calc) 1610 1650 1580 15 '- 0 2550 1560 1725 242 76 0 1740 1500 1614 48 <br />TDS ratio 0.97 0.88 1.03 15 0 1.01 0.93 0.96 0.02 76 0 1.08 0.88 0.977 0.04 <br />Temperature 11 13.2 8.5 15 0 18.1 8.7 12.1 2.5 76 0 16.8 6.9 11-6 2.1 <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 "1" 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.