2003-05-01_HYDROLOGY - M1999002 (2)

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II II=I = = M M M M M M = = = = = M. M M AMERICAN SODA OPERATIONAL PHASE 1 DATA SUMMARY GROUND WATER WELL 28-1 CONTINUED JULY 1, 1999 - MARCH 31, 2003 Well ID 28-1 28-1 28-1 Numeric Early Regulatory Sample Date 1/17/2003 2114/2003 3/14/2002 Protection Warning Standard BASELINE DESCRIPTIVE STATISTICS OPERATIONAL DESCRIPTIVE STATISTICS Sample Type' Primary Average Primary Level Indicator Regulation Standard JULY 1, 1999 - SEPTEMBER 30, 2000 OCTOBER 1, 2000 - DECEMBER 31, 2002 Completion Horizon Alluvial Alluvial Alluvial (NPL) (EWI) Number 41 Classification Parameter (mg/I)" 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 7 1 0.05 0.37 0.26 26 6 0.5 0.1 0.33 0.11 Carbon, dissolved organic 20 20 30 None None None None 15 0 20 7.1 11.1 2.9 27 1 230 5 31.9 44.7 Cation-Anion Balance % -1.7 -1.85 -1.7 15 12 22.9 -8.4 -1.2 7.1 27 26 13.8 -6.8 -1.7 3.7 Sum of Anions meq/L 80.1 77.5 78.6 15 0 73.4 37.9 65.19 8.53 27 0 85.2 57.6 72.31 6.45 Sum of Cations meq/L 77.4 74.65 75.9 15 0 73.6 50.3 63.36 6.33 27 0 81 53.5 69.36 5.35 Chloride 84 79.5 65 None 250 250 Drinking 15 0 83 53 73 8 27 0 88 67 74 5 Cond @ 25C(umhos/cm) 5170 4910 5370 None None None None 15 0 5390 3640 4832 449 27 0 6000 4280 5171 343 Fluoride 0.7 0.7 0.7 None 2 2 Agricultural 14 0 0.9 03 0.8 0.08 27 0 1.2 0.6 0.8 0.14 Hardness as CaC03 1700 1670 1720 15 0 1590 1060 1332 150 27 0 1790 1190 1529 128 Nitrate as N, dissolved 0.08 0.09 0.1 None None 10 Human Healt 15 3 1.4 0.05 0.31 0.33 27 4 0.41 0.02 0.15 0.10 Nitrate/Nitrite as N, dissolved 0.08 0.09 0.1 None None 10 Human Healt 15 3 1.4 0.05 0.31 0.33 27 4 0.41 0 02 0.15 0.10 Nitrite as N, dissolved <0.01 <0.01 <0.02 None None 1 Human Healt 15 14 0.1 0.005 0.031 0.028 27 27 0.05 -0 01 0.014 0 018 pH (units) 7.8 7.65 7.9 None None 6.5-8.5 Secondary Drinkin 15 0 8.3 7.5 7.8 0.2 27 0 84 6.9 7 7 0.3 Phosphorus, dissolved 0.02 0.035 0.03 None 0.2 None None 15 4 1.68 0.005 0.160 0.423 27 6 0.09 0.005 0.024 0.019 Phosphorus, ortho dissolved 0.04 0.025 0.05 None None None None 15 7 1.58 0.014 0.157 0.402 27 3 0.144 0.01 0.026 0.025 Total Dissolved Solids 4840 4530 4510 None None 4948 a er Quality Standards 15 4380 3450 3958 248 27 0 4850 3700 4282 275 Sodium Absorption Ratio in H2O 10.5 10.04 10 None None None None 15 10.8 8.93 10.01 0.46 27 0 10.6 8.61 9.88 0.43 Sulfate 2690 2540 2540 None None 250 Secondary Drinking 15 d 2350 710 2000 393 27 0 2700 1660 2308 244 Sulfide as S <0.02 <0.02 <0.02 None None None None 15 12 0.2 0.01 0.08 0.07 27 26 0 1 -0 02 0 01 00206 TDS(calc) 4880 4690 4740 15 4480 2570 3921 474 27 0 5060 3380 4351 353 TDS ratio 0.99 0.965 0.95 15 0 1.5 0.92 1.02 0.14 27 0 1.16 0.9 0.987 0.06 Temperature 10 10.7 12.1 15 0 17.1 10.3 14.0 2.2 27 0 16 6 7.8 11 4 2 0 Gross Alpha Result (pCi/L) 119 20.75 2.29 None None 15 Human Heolt 15 2 60 -24 9.1 21.3 27 3 66.8 -8.95 16.3 19.4 Gross Alpha Error (pCi/L) 34 19.5 17 15 0 34 12 22.2 6.4 27 0 50 7 21.4 8.5 Alpha Minimum Detectable Activity (pCi/L) 15 13.5 14 15 0 21 12 17.4 2.8 27 0 30 8.5 17 4 4.9 Gross Beta Result (pCUL) 76.5 12.25 7.54 15 3 37 -23 4.7 16.6 27 4 65.6 -24.7 9.3 18.9 Gross Beta Error (pCUL) 23 17 19 15 0 27 12 17.5 4.3 27 0 37 8.3 20.5 5.5 Beta Minimum Detectable Activity (pCUL) 27 23.5 26 15 0 31 17 23.5 5.0 27 0 44 12 27 1 6.6 ..aF,. „r.. - ,...-I ,.... .,..o qic m Z; /' - r..magG t.. aRuw.c auu qn- me --you/. aiunam-lib iepui reu ui niyn uniess uuterwlse nureu. 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.