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AMERICAN SODA INTERIM STATUS <br />DATA SUMMARY GROUND WATER WELL 294A <br />JULY 1, 1999 - MARCH 31, 2010 <br />Well ID 29-4A 29-4A 29.4A Numeric Earl Regulatory <br />Sample Date 922/2009 12/15/2009 3/24/2010 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS <br />Sample Type* Prima Prima Prima Level Indicator Regulation Standard JULY 1, 1999 -SEPTEMBER 30, 2000 OCTOBER 1, 2000 - DECEMBER 31, 2009 <br />Completion Horizon A Groove A Groove A Groove NPL EWI Number 41 Classification <br /> <br />Parameter m n " 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 0.68 None None 0.75 Agricultural 15 0 5.5 0.88 1.867 1.101 73 0 0.96 0.46 0.71 0.093 <br />Calcium, dissolved 4.9 4.9 5.1 None None None None 15 0 14 4.8 7.1 2.3 73 0 7.3- 3.7- 5.4 0.6 <br />Iron, dissolved 0.05 <0.04 <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 />73 <br />16 <br />1.95 <br />0.01 <br />0.124 <br />0.287 <br />lithium, dissolved 0.06 0.05 0.06 None None 2.5 Agricultural 15 3 1.2 0.05 0.297 0.280 73 12 0.12 0.05 0.075 0.018 ` <br />Magnesium, dissolved 3.8 3.6 4.2 None None None None 15 0 12 4 8.3 2.5 73 0 5 2.5 3.9 0.4 <br />Potassium, dissolved 4 1.7 1.7 None None None None 15 1 44 1.5 9.5 10.3 73 2 4 1 - 2.0 <br />" <br />0.6 <br />Silica, dissolved 14.4 13.7 13.4 None None None None 15 0 63 22 31.0 9.7 73 0 22 10.7 15.1 1.9 <br />Sodium, dissolved 1140 1110 997 None None None None 15 0 15700 1880 5052.0 3301.4 73 0 1970 970 1381 194 <br />Bicarb as CaCO3 1900 1660 2030 None None None None 15 0 24900 2850 7404 5197 73 0 3560 1660 2690 412 <br />Carbonate as CaC03 176 733 170 None None None None 15 3 700 10 277 237 73 19 733 1 118 -124 <br />Hydroxide as CoC03 <2 <2 <2 None None None None 15 15 100 1 30 44 73 73 1 1 1 0.0 <br />Total Alkalinity 2080 2390 2200 None None None None 15 0 25600 2930 7667 5317 73 0 3750 2080 2807 3845' <br />Cation-Anion Balance v 2.7 -6.2 -7 15 5 9.9 -11.9 1.7 5.6 73 54 8.4 -24.5 -4.1 6.0 <br />Sum of Anions meq/L 48.1 55.9 51.2 14 0 291 83.6 183.42 59.90 73 0 92.5 48.1 66.72. 9.62 " <br />Sum of Cations meq/L 50.8 49.4 44.5 14 0 344 83.4 189.89 68.42 73 0 87.5 43.2 61.45 8.59 <br />Chloride 210 260 230 None None 250 Secondary <br />Drinking <br />14 <br />0 <br />3280 <br />640 <br />1939 <br />779 <br />73 <br />0. <br />820 <br />51 <br />351 <br />129. <br />Cond @ 25C(umhos/cm) 3640 4630 4170 None None None None 15 0 37100 6130 15891 7687 73 0 8080 2725 5380 976 <br />Fluoride 12.8 14 13.8 None None 2 Agricultural 14 0 22.6 8 16.0 3.1 73 0 19.4 11.6 14.5 1.4 <br />pH (units) 8.7 8.7 8.8 None None 6.5-8.5 Secondary <br />Drinking 15 0 8.6 7.3 8.3 0.3 73 0 8.9 7.7 8.4 0.2 <br /> <br />Total Dissolved Solids <br />2660 <br />3100 <br />2790 <br />None <br />None <br />None IDS Water <br />Quality <br />Standards <br />15 <br />0 <br />40000 <br />4600 <br />13058 <br />8460 - <br />73 <br />0 <br />4885 i. <br />1380. <br />3465 <br />565 <br />Sulfate <1 <1 <1 None None 250 Secondary <br />Drinking 15 2 300 5 49 71 73 46 30 0.5 8 7 <br />TDS(calc) 2710 3140 2650 15 0 36000 5020 11961 7435 73 0 ` 4920 2560 ,3492 472 <br />TICS ratio 0.98 0.99 1.05 14 0 1.265 0.87 1.07 0.10 73 0 1.27 0.43 0.989 0.11 <br />Temperature 12.5 10.1 11.7 15 0 17.4 9.6 12.6 2.1 73 0 47.7 7.2 12.2 1.9 <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 calculation: