2003-05-01_HYDROLOGY - M1999002 (2)

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AMERICAN SODA OPERATIONAL PHASE 1 DATA SUMMARY GROUND WATER WELL 21-2 CONTINUED JULY 1, 1999 - MARCH 31, 2003 Well ID 21-2 21-2 21-2 Numeric Early Regulatory Sample Date 1/1412003 2/1812003 3/11/2003 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS Sample Type' Primary Primary Average Level Indicator Regulation Standard JULY 1, 1999 - SEPTEMBER 30, 2000 OCTOBER 1, 2000- DECEMBER 31, 2002 Completion Horizon Parameter (mg/I)" Alluvial Alluvial Alluvial (NPL) (EWI) Number 41 Classification TOTAL SAMPLES BELOW DETECTION MAXIMUM VALUE MINIMUM VALUE MEAN VALUE STANDARD DEVIATION TOTAL SAMPLES BELOW DETECTION . " MAXIMUM VALUE MINIMUM VALUE MEAN VALUE ' STANDARD DEVIATION Bromide <1 <1 <1 None None None None 15 11 2 0.05 0.28 0.49 27 25 0.5 0.05 0.14 0.177 Carbon, dissolved organic -10 20 10 None None None None 15 0 10 2.5 4.7 1.7 27 2 50 2.6 152 11.4 Cation-Anion Balance % -3.2 0.8 -1.6 15 5 5 -4.7 0.0 2.8 27 16 7 -7.9 0.0 3.2 Sum of Anions meq/L 29 29.2 29.4 14 0 33.9 27.3 29.84 1.88 27 0 31.9 25.3 28.81 1.55 Sum of Cations meq/L 27.2 29.7 28.5 14 0 34.7 27.7 29.67 1.84 27 0 31.8 26.3 28.65 1.20 Chloride 13 14 15 None I 250 250 Drinking Water 15 0 23 10 13 3 27 0 16 11 12 1 Cond @ 25C(umhos/cm) 2040 2230 2170 None None None None 15 0 22300 2090 3684 5164 27 0 2310 565 2094 326 Fluoride 0.2 0.3 0.3 None 2.0 2.0 Agricultural 15 0 0.5 0.3 0.4 0.1 27 0 18 0.2 1.0 3.4 Hardness asCaC03 927 1020 958 15 0 1060 891 979 43 27 0 1070 893 974 39 Nitrate as N, dissolved <0.02 <0.04 <0.1 None None 10 uman Healt 15 8 0.5 0.01 0.15 0.15 27 22 1 6 0 01 0 09 0.30 Nitrate/Nitrite as N, dissolved <0.02 <0.04 <0.1 None None 10 uman Healt 15 9 0.5 0.01 0.15 0.15 27 23 1.6 0.01 0.09 0.30 Nitrite as N, dissolved <0.01 <0.02 <0.05 None None 1 Liman Healt 15 15 0.1 0.005 0.032 0.028 27 27 0.05 0.005 0.011 0.013 H (units) P 7 7.2 7.1 None None 6.5-8.5 Secondary Drinking 15 0 8 6.4 7.1 0.4 27 0 7 8 64 72 0.3 Phosphorus, dissolved 0.02 0.04 0.04 None 0.2 None None 15 4 0.55 0.005 0.109 0.139 27 2 0.07 0.005 0.032 0.016 Phosphorus, ortho dissolved 0.04 0.03 <0.05 None None None None 15 6 0.38 0.0025 0.098 0.131 27 2 0.13 0.013 0.030 0.024 Total Dissolved Solids 1550 1570 1540 None None 2076 Quality Standards 15 0 2550 1510 1661 253 27 0 1700 1520 1574 38 Sodium Absorption Ratio in H2O 2.79 2.84 2.96 None None None None 15 0 8.85 2.81 3.50 1.52 27 0 3.35 2.6 2.89 0.16 Sulfate 530 530 540 None None 250 Drinking Secondary 15 0 550 530 536 7 27 0 750 490 542 43 Sulfide as S <0.02 <0.02 <0.02 None None None None 15 8 1.2 0.01 0.22 0.31 27 25 0.1 0 01 0 02 0 031 TDS (calc) 1600 1640 1640 15 0 2550 1560 1725 242 27 0 1740 1510 1618 60 TDS ratio 0.97 0.96 0.94 15 0 1.01 0.93 0.96 0.02 27 0 1.05 0.88 0.975 0.04 Temperature 8.7 8.9 10.8 15 0 18.1 8.7 12.1 2.5 27 0 15.9 7.6 117 2.3 Gross Alpha Result (pCi/L) 0 7.88 0 None None 15 uman Healt 15 1 20 -7.3 3.7 Z2 27 2 25 -2.42 5.7 6.6 Gross Alpha Error (pCi/L) 6.1 6.4 6.9 15 0 19 7 11.2 3.1 27 0 20 2 4 9.3 4.0 Alpha Minimum Detectable Activity (pCi/L) 6.7 6.8 7.5 15 0 14 6.6 8.9 1.8 27 0 12 3 7.7 2.1 Gross Beta Result PCVL) 4.06 3 0 15 0 28 0 7.0 8.8 -27- . 3- 28 -16.2 5.4 8.1 Gross Beta Error (pC?L) 7.1 7.8 8.4 15 0 15 7.3 9.4 1.9 27 0 18 5.8 9.0 2.5 Beta Minimum Detectable Activity (pCi/L) 9.6 12 12 15 0 19 9.2 12.6 2.3 27 0 20 Z9 12 0 2.8 Sample Type = Primary (one sample is represented), = Average (duplicate samples are averagea). Gonsmuerns iepvi -11 n yr uamass - -W ?o 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. Analyte concentrations reported below the detection limit are set equal to one half the detection limit for all statistical calculations.