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j • <br /> Sample background 6 ;I <br /> TempC = 20.0 PH = 7.1 <br /> TDS = 1363.0 COND = 1460.0 <br /> HARD 780.0 DENS = 1.0 ;+ <br /> mg/1 mmole/l meq/1 $ mea_ <br /> /1 <br /> i <br /> Na+ 94.0 4.0886 4.0886 20.7 <br /> K + 4.7 0.1202 0.1202 0.6 <br /> Ca++ 172.0 4.2914 8.5828 43.4 <br /> Mc++ 85.0 3.4962 6.9924 35.3 : <br /> CI- 262.0 7.3901 7.3901 36.9 <br /> �i <br /> SO4-- 104 .0 1 .082,7 2.1653 10.8 <br /> HCO3- 640.0 10.4891 10.4891 52.3 <br /> CO3-- 0.0 0.0000 0.0000 0.0 <br /> 5102 0.0 0.0000 0.0000 0.0 <br /> LANGELI.:-R INDEX 0.50 IONIC STp.-,VGTE= 0.0288 <br /> TDS calc = 1362 mg/1 <br /> Analytical checks and con_arisons <br /> Sum cations = 19.7840 Sum anions = 2;0.0444 <br /> BALANCE _ ;0. 65 <br /> TDS measured = 1363 mg/1 ,r <br /> TDS(180) calc = 1036 mg/1 %TDS(180) diff= Z4.0 % <br /> TDS/Cond ratio= 0.93 Usual rarae = 0.51ito 0.75 <br /> Cond/Sum-cat = 74 Usual rance = 90 - 110 <br /> Meas. Density = 1 .0000 Calc. Density = I .0011 <br /> Meas. hardness= 780.00 mg/1 CaCO3 <br /> Calc. hardness= 779.45 mg/l CaCO3 <br /> Na - Cl = -3.302 mea/1 Usually positive <br /> Ca - SO4 = 6.418 mea/1 Usually positive <br /> K/(Na + K) = 2.86 % Usually < 20% <br /> Mg/(Mg+Ca) = 44.89 % Usually < 40% <br /> Meas HCO3 = 640.0 mg/l Meas CO3 1110.0 mg/1 <br /> Calc HCO3 = 638.9 mg/1 Calc CO3 - 10.5 mg/1 <br /> SOURCE ROCK EST-TMAT_-- <br /> Na+K-Cl = -3.1813 <br /> SI02/(Na+K-Cl)= 0.0000 <br /> Si02/HCO3 = 0.0000 <br /> Sa.R <br /> CONDUCTIVITY = 1460 p <br /> EST. COND. = 1976 <br /> Na / Na + Cl = 0.3562 j <br /> Ca / Ca + SO4 = 0.7985 <br /> . A <br /> i <br /> Na < Cl BR-TNE SAMPLE LIKELY; TDS>500 <br /> Ca > SO4 <br /> 1 <br /> Si02 ZERO; Silicate weathering likely if Si02 > 63 mg/Y <br /> I otherwise carbonate weathering is more likely <br />