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•~ <br />DATA SUMMARY GROUND WATER WELL 21'40 AND 21.4DX CONTINUED <br />JULY 1, 1999 -JUNE 30, 2000 <br />WeII ID 21-4D 21-4D 21-40 21-4DX Zi-4DX 21-4DX 21-4DX 21.4DX <br />Sample Date 7/23/99 8/25/99 9/24/99 2/29/00 3/27/00 4/21/00 5/19/00 6/16/00 <br />Sample Type' Primary Primary Primary Primary Primary Primary Average Primary <br />Completion Horizon Di55olution Dissolution Dissolution Dissolution Dissolution Dissolution Dissolution Dissoluean <br />Parameter (mg/I)" <br />Bromide <5 c2 <2 <10 <10 50 <0.4 <10 <br />Carbon, dissolved organic 44 73 22 40 34 36 59 100 <br />Canon-Anion Balance % 6.1 6 4.5 8 2.8 6.3 8.4 9.6 <br />Sum of Anions meq/L 994 1050 1090 1060 1110 1035 974 <br />Sum of Cations megrL 1120 1150 1280 1120 1260 1225 1180 <br />Chloride 7480 7890 6880 7600 8100 8200 8700 7600 <br />Cond Q 25C (umhas/cm) 61800 60700 46000 60400 59200 6200 58100 57100 <br />Fluoride 55 65 50 60 45 57 56 26 <br />Hardness as CaC03 91 91 84 34 50 15 <br />Nitrate as N, dissolved <0.2 0.8 <0.4 <0.2 <0.2 c0.2 <0.02 <0.2 <br />Nitrate/Nitrie as N, dissolved <0.2 0.8 <0.4 <0.2 <0.2 c0.2 <0.02 <0.2 <br />Nitrite a5 N, dissolved 1.62 <0.1 <0.2 <0.1 <Q.1 c0.1 <Q.Q1 <0.1 <br />pH (units) 8.2 7.9 8.1 8.2 8.1 8.4 8 7.9 <br />Phosphorus. dissolved 5.5 5.6 5.7 6.8 6 3.4 5.6 6 <br />Phosphorus. ortho dissolvetl 4.5 5.1 4.6 6.68 6.75 7.76 5.985 0.647 <br />Total Dissolved Solitls 67200 65000 60500 69100 58600 62300 54650 58200 <br />Sotlium Absorytion Ratio ~n H2O 1340 1170 1250 2180 1570 <0.03 <0.03 3040 <br />Sulfate 20 <100 100 <100 <100 10 <10 <50 <br />Sulfide as S 0.3 <0.2 <0.2 <1 <0.2 0.3 0.09 0.09 <br />TDS (talc) 66800 56600 58900 63100 58400 64500 60200 57400 <br />TDS ratio 1.15 1.03 1.1 1 0.97 0.91 1,01 <br />Temperature 19 16.9 13.1 15.1 15.1 14.3 16 14.9 <br />Gross Alpha Result (pCiIL) 0 0 0 450 710 0 0 240 <br />Gross Alpha Error (pCi/L) 340 470 510 390 430 250 315 320 <br />p a inimum etecta e <br />Adrviry (pCJL) <br />330 <br />370 <br />430 <br />300 <br />290 <br />300 <br />300 <br />300 <br />Gross Beta Result (pCi/L) 180 34 490 480 290 4 120 0 <br />Gross Beta Ermr (pCi/L) 300 300 320 310 300 300 295 280 <br />eta inimum etecta e <br />Activity (pCi/L) <br />360 <br />400 <br />380 <br />430 <br />430 <br />470 <br />430 <br />440 <br /> <br />' Sample Type =Primary (one sample isrepresented), =Average (tluplicate samples are averaged). "Constituents reported in mgA unless otherwise noted. <br />A symbol "<" before a number indicates that the value is not detected. The number following "<^ is the analytical limit of tleteaion based upon the method and the sample matrix, <br />