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• ANNUAL TESTING <br />GROUND WATER QUALITY PARAMETERS <br />SITE: GW-N3 <br />FORMATION: UNDERBURDEN <br />DATE OF COLLECTION 15-Aug-97 <br />FIELD PARAMETERS <br />pH 6.5 <br />Water Temperature (deg C) 20.8 <br />Conductivity (umhos/cm) 3 850 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />Aluminum, dissolved (mg/L) U <br />Calcium, dissolved (mglL) 512 <br />Iron, dissolved (mg/L) 1.77 <br />Lead, dissolved (mg/L) U <br />Magnesium, dissolved (mg/L) 198 <br />Manganese, dissolved (mg/L) 1.72 <br />Molybdenum, dissolved (mg/L) U <br />Potassium (mg/L) <br />• 13 <br />~ <br />Selenium, dissolved (mg/L) U <br />" Sodium, dissolved (mglL) 74.5 <br />Wet Chemistry <br />Alkalinity as CaC03 <br /> Bicarbonate as CaC03 (mg/L) 451 <br /> Carbonate as CaC03 (mg/L) U <br /> Total Alkalinity 451 <br /> Cation-Anion Balance <br /> Cation-Anion Balance (%) 3 <br /> Sum of Anions (meq/L) 43 <br /> Sum of Cations (meg1L) 45.7 <br /> Chloride, dissolved (mglL) 20 <br /> Conductivity @ 25C (umhos/cm) 2950 <br /> Hardness as CaC03 (mg/L) 2090 <br /> Nitrate as N (mglL) 0.05 <br /> Nitrate/Nitrite as N (mg/L) 0.05 <br /> Nitrite as N (mg/L) U <br /> Nitrogen, ammonia (mg/L) 0.92 <br /> pH Cm 25C 6.9 <br /> Phosphate as P04 (mg/L) U <br /> Total Dissolved Solids CrD 180C (mg/L) 2660 <br /> Total Dissolved Solids, calculated (mg/L 2680 <br /> Sodium Absorption Ratio in Water 0.71 <br /> Sulfate dissolved (mg/L) 1590 <br /> 7. Negative (-) =less than <br /> 2. U =not detected at MDL (Minimum Detection Level) <br />