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~ • GROUNDWATER CHEMICAL ANALYSIS <br />Monitoring Well Number <br />Location <br />Geologic Unit Monitored <br />Ground Elevation (ft-amst> <br />Date of Collection 06/21/83 <br />SP-2 <br />STORM KING <br />MANGOS/DAKOTA <br />6380 <br />FIELD PARAMETERS ) <br />Conductivity <br />(umhos/cm at 25 (CI) 7000 <br />pH (units) 6.77 <br />Water Temperature (C) 12.0 <br />LABORATORY PARAMETERS <br />Alkalinity (as CaC03) 380 <br />Aluminum -0.1 <br />Arsenic -0.01 <br />Barium 1,9 <br />Bicarbonate 450 <br />Boron .51 <br />Cadmium -0.01 <br />Calcium 490 <br />Carbonate -0.1 <br />Cation - Anion <br />Balance (~) 3 .18 <br />Chloride 52 <br />Chromium 0,02 <br />Conductivity <br />(umhos/cm at 25 (C)) 6810 <br />Copper 0.03 <br />Fluoride 0.87 <br />Hardness (as CaC03) 3600 <br />Iron (dissolved) 0.11 <br />Lead -0.01 <br />Magnesium 580 <br />Manganese 0,13 <br />Mercury (ug/I) -1,0 <br />Molybdenum 0,1 <br />Nitrogen - Ammonia 0,75 <br />Nitrate as N 1,8 <br />pH (units) 7,5 <br />Phosphate 1,95 <br />Phosphorus 0,64 <br />Potassium 32 <br />SAR (units) 3,22 <br />Selenium -0.01 <br />Sodium 445 <br />Solids, Total Dlssolvetl 6090 <br />Sulfate 4020 <br />Zinc 0.06 <br />• 1 All measurements are in milligrams per Ilter (mg/I) unless otherwise noted. <br />A minus sign Indicates concentrations below analytical detection limits, <br />2 Negative acidity Indicates that the water is alkaline. <br />3 A negative balance indicates that cations exceed anions. <br />REV: 05/10/84 <br />