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( • GROUNDWATER CHEMICAL ANALYSIS <br />Monitoring Well Number OW-10 <br />Location STORM KfNG <br />Geologic Unit Monitored COLLUVIUM <br />Ground Elevation (ft-amsl) 6240 <br />Date of Collection 07/30/83 09/22/83 01/24/84 03/28/84 <br />FIELD PARAMETERS <br />Conductivity <br />(umhos/cm at 25 (C>l 2350 1550 1425 1550 <br />pH (units) 7.14 7.65 6.58 7,09 <br />Water Temperature lC) 13 11,0 7.7 9,8 <br />LABORATORY PARAMETERS <br />Alkalinity (as CaC03) 630 725 700 360 <br />Aluminum 0.3 0.1 3.2 -0.1 <br />Arsenic -0.01 -0.01 -0.01 <br />Barium 0.4 O.i 0.8 0.6 <br />Bicarbonate 760 870 840 435 <br />Boron 0.28 0.25 0.23 0.14 <br />Cadmium -0.01 -0.01 -0.01 -0.01 <br />Calcium 190 46 41 230 <br />Carbonate -0.1 -0.1 -0.1 -0.1 <br />Cation - Anion <br />• Balance (%) 3 .32 .45 -.6 6,41 <br />Chloride 56 71 57 20 <br />Conductivity <br />(umhos/cm at 25 (C)) 2610 1440 1470 1790 <br />Copper 19 0.14 0,02 <br />Fluoride 0.10 2.3 0.33 <br />Hardness (as CaC03) 1060 260 250 870 <br />Iron (dissolved) 0.50 0.14 4.7 0,04 <br />Lead -0.01 0.04 -0.01 <br />Magnesium 145 36 35 72 <br />Manganese 0.67 0.06 0.46 0,02 <br />Mercury (ug/I) -1,0 -1.0 1,00 -1.00 <br />Molybdenum 0,1 -0.1 0,2 <br />Nitrogen - Ammonia 1.1 1.6 1.6 0,56 <br />Nitrate as N 0.78 -0.05 0.07 42 <br />pH (units) 7.5 7.8 7.5 7,2 <br />Phosphate 3.35 4.26 3.36 .1B <br />Phosphorus 1,1 1,4 1,1 .06 <br />Potassium 26 17 19 23 <br />SAR (units) 3,86 =7.65 <br />Selenium -0.01 -0.01 -0.01 -0.01 <br />Sodium 290 285 275 91 <br />Solids, Total Dissolved 2015 - 980 °925 x1360 <br />Sulfate 1000 96 86 685 <br />Zinc 0.01 0.01 0.14 0,06 <br />1 All measurements are In milligrams per liter (mg/I) unless otherwise noted. <br />. A minus sign indicat es concentrations below analyt ical detection limits. <br />2 Negative acidity indi cates that the water is alkaline. <br />3 A negative balance In dicates that cations exceed an ions. <br /> REV: 05/10/84 <br />