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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 294A <br />JULY 1, 1999 - DECEMBER 31, 2010 <br />Well ID 29-4A 294A 294A Numeric Earl Regulatory <br />Sample Date 6/9/2010 9/29/2010 12/26/2010 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample Type* Prima Average 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 (mg/[Y" 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 0.72 0.68 0.64 None None 0.75 Agricultural 15 0 5.5 0.88 1.867 1.101 76 0 0.96 0.46 0.71 0.092 <br />Calcium, dissolved 4.6 5.1 5.5 None None None None 15 0 14 4.8 7.1 2.3 76 0 7.3 3.7 - 5.4 0.6 <br />Iron, dissolved 0.05 0.12 <0.04 None None 0.3 Secondary <br />Drinking Water <br />15 <br />6 <br />1.9 <br />0.025 <br />0.232 <br />0.470 <br />76 <br />17 <br />1.95 <br />0.01 <br />0.122 <br />0.282 <br />Lithium, dissolved 0.05 0.07 0.07 None None 2.5 Agricultural 15 3 1.2 0.05 0.297 0.280 76 12 0.12 0.05:.. 0.075 0.018. <br />Magnesium, dissolved 3.7 3.9 4.3 None None None None 15 0 12 4 8.3 2.5 76 0 5 2.5 3.9 0.4 <br />Potassium, dissolved 1.9 3.3 1.8 None None None None 15 1 44 1.5 9.5 10.3 76 2 4. 1 2.0 0.6 <br />Silica, dissolved 13.7 14.2 13.1 None None None None 15 0 63 22 31.0 9.7 76 0 22 10.7 15.0 1.8 <br />Sodium, dissolved 999 1130 1010 None None None None 15 0 15700 1880 5052.0 3301.4 76 0 1970 970 1368 202 <br />Bicarb asCaC03 2270 2280 1850 None None None None 15 0 24900 2850 7404 5197 76 0 3560 1660 2670 416 <br />Carbonate asCaC03 121 232 174 None None None None 15 3 700 10 277 237 76 19. 733 1 120 122 <br />Hydroxide as CaC03 <2 <2 <2 None None None None 15 15 100 1 30 44 76 76 1 1 1 0.0 <br />Total Alkalinity 2400 2510 2030 None None None None 15 0 25600 2930 7667 531.7 76 0 3750 'r 2080 2790 387 <br />Cation-Anion Balance % -9.9 5.6 -1.2 15 5 9.9 -11.9 1.7 5.6 76 56 8.4 -24.5 -4.1 6.0 <br />Sum of Anions meq/L 54.4 56.3 46.2 14 0 291 83.6 183.42 59.90 76 0 92.5 48.1 66.22 9 76 <br />Sum of Cations meq/L 44.6 50.4 45.1 14 0 344 83.4 189.89 68.42 76 0 87.5 43.2 60.86 8.93 <br />Chloride 210 190 180 None None 250 Secondary <br /> <br />Dnnkin <br />14 <br />0 <br />3280 <br />640 <br />1939 <br />779 <br />76 <br />0 <br />820 <br />ST <br />345 <br />130: <br />Cord @ 25C(umhos/cm) 4640 4785 4030 None None None None 15 0 37100 6130 15891 7687 76 0 8080 2725 5346 972 <br />Fluoride 13.4 13.8 13.3 None None 2 Agricultural 14 0 22.6 8 16.0 3.1 76. 0.. 19.4 11.6 14:5. 1.4 <br />pH (units) 8.7 8.7 8.7 None None 6.5-8.5 <br />ndary <br />Seconnkin <br />D <br />15 <br />0 <br />8.6 <br />7.3 <br />8.3 <br />0.3 <br />76 <br />0 <br />8.9 <br />7.7 <br />8.4 <br />0.2 <br /> <br />Total Dissolved Solids <br />2640 <br />2675 <br />2510 <br />None <br />None <br />None TDS Water <br />Quality <br />Standards <br />15 <br />0 <br />40000 <br />4600. <br />13058 <br />8460 <br />76 <br />0 <br />4885 <br />1380 <br />3435 <br />574 <br />Sulfate <1 <1 <1 None None 2550 Secondary <br />Drinkin 15 2 300 5 49 71 76 49 30 0.5 8 7 <br />TDS(calc) 2730 2960 2510 - 15 0 36000 5020 11961 7435 76 0 4920 2560 3464 483 <br />TDS ratio 0.97 0.91 1.00 14 0 1.265 0.87 1.07 0.10 76 0 1.27 0.43 0.989 0.11 <br />Temperature 15.7 15.4 9.6 15 0 17.4 9.6 12.6 2.1 76 0 17.7 7.2 123 2.0 <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 />Analyfe concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculation: