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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 21-4A <br />JULY 1, 1999 - DECEMBER 31, 2010 <br />Well ID 21-4A 214A 21-4A Numeric Earl Regulatory <br />Sample Date 5/18/2010 9/15/2010 11/30/2010 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample T pe* Prima Prima Prima Level Indicator Regulation Standard JULY 1, 1999 -SEPTEMBER 30, 2000 OCTOBER 1, 2000 - SEPTEMBER 30, 2010 <br />Completion Horizon A Groove A Groove A Groove 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 4.7 4.6 4.9 None 5.35 0.75 Agricultural 15 0 4.8 4.3 4.58 0.152 76 0. 52 : 0.3 4.50 0.578 <br />Calcium, dissolved 6 5 6 None None None None 15 1 11 5 7.5 1.6 76 1 744 1 15.8 84.7 <br />Iron, dissolved 0.4 0.3 <0.20 None None 0.3 Secondary <br />Drinking Water <br />15 <br />0 <br />3.3 <br />0.7 <br />1.657 <br />0.550 <br />76 <br />3 <br />1;85 <br />0.07 <br />0.773 <br />0.468 <br />Lithium, dissolved 1 1 1 None 2.5 2.5 Agricultural 15 0 1.2 1 1.053 0.074 76 1 1.3 0.1 1.02 0.142 <br />Magnesium, dissolved 5 4 3 None None None None 15 1 20 5 7.3 3.7 76 4 13 1 4.9 1.6 <br />Potassium, dissolved 14 21 21 None 27.62 None None 15 1 24 10 15.1 3.1 76 2 22 1.5 13.8 3.1 <br />Silica, dissolved 17 18 16 None 33.84 None None 15 0 25 17 19.5 2.1 76 0 27. 8.6 17.5 2.0 <br />Sodium, dissolved 7620 8980 7730 None 9570 None None 15 0 8410 7360 7844.7 280.2 76 0 8980 7060 7796 380 <br />Bicarb as CaC03 14700 16300 16600 None None None None 15 0 19300 11700 16183 1626 76 0 18800- 12500- 16774 1024 <br />Carbonate as CoC03 1820 635 398 None None None None 15 14 4290 1 340 1094 76 52 1820 1 190 348 <br />Hydroxide asCaC03 <2 <2 <2 None None None None 15 15 100 1 54 51 76 76 1 1. 1 0 <br />Total Alkalinity 16500 16900 17000 None 23942 None None 15 0 19300 15100 16470 1059 76 0 18800 12500 16962 948 <br />Cation-Anion Balance % -1.9 5 -2.6 15 9 4.4 -8.1 -0:8 3.6 76 58 8.8 -8.7 -2.0 3.5 <br />Sum of Anions meq/L 350 358 359 14 0 407 323 354.57 21.72 76 0 397 271 359.05 1941 <br />. <br />Sum of Cations meq/L 337 396 341 14 0 370 313 343.50 14.91 76 0 396 312 344.61 17.02 <br />Chloride 630 640 620 None None 250 Secondary <br />Drinkin 15 0 1965 600 721 345 76 0 1020 520 646 70 <br />Cond @ 25C(umhos/cm) 23200 23000 23500 None 28651 None None 15 0 -23600 2220 21448 5436 76 0 24900 2330 ` 22228 3630. <br />Fluoride 30.4 29.2 32.9 None 41.34 2 Agricultural 15 0 34 27 29.9 1.9 76 0 36.1 24 31.5 21 <br />pH (units) 8.7 8.5 8.6 None None 6.5-8.5 Secondary <br />Dnnkin 15 0 8.3 7.6 8.0 0.2 76 0 87 '- 7.75 8.2 0.2 <br /> <br />Total Dissolved Solids <br />18800 <br />19000 <br />19000 <br />None <br />22366 <br />None lu? <br />Quality <br />15 <br />0 <br />24600 <br />17300 <br />19373 <br />1539 <br />76 <br />0 <br />20900 <br />18200 <br />19082 <br />399 <br />Sulfate 14 <10 <20 None None 250 SDrinecondkinary 15 9. <br />- 50 5 21 19 - 76 39 150 0.5 17 25 <br />TDS(calc) 19000 20100 18800 15 0 20300 17600 18680 893 76 0 20100 15600 18788 752 <br />TDS ratio 0.99 0.95 1.01 14 0 1.23 0.93. 1.04 0.07 76 0 1.29 0.94 1.017 0.05 <br />Temperature 14.6 12.1 9.9 15 0 17.4 10.4 12.7 2.1 76 0 19 8.5 12.4 2.4 <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.