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SEMI -ANNUAL TESTING <br />•~ GROUND WATER QUALITY PARAMETERS <br />SITE: GW-N39 <br />DATE OF COLLECTION 24-Feb-98 <br />FIELD PARAMETERS <br />pH 6.56 <br />Water Temperature (deg C) 7.8 <br />Conductivity (umhoslcm) 1960 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />Aluminum, dissolved (mg/L) 0.29 <br />Calcium, dissolved (mg/L) 632 <br />Iron, dissolved (mg/L) 3.37 <br />Lead, dissolved (mg/L) U <br />Magnesium, dissolved (mg/L) 99.1 <br />Manganese, dissolved (mg/L) 22.7 <br />Molybdenum, dissolved (mg/L) U <br />Potassium (mg/L) 3.3 <br />Selenium, dissolved (mg/L) U <br />• <br />Sodium, dissolved (mg/L) 38.5 <br />Wet Chemistry <br />Alkalinity as CaCO3 <br />Bicarbonate as CaCO3 (mg/L) 449 <br />Carbonate as CaCO3 (mg1L) U <br />Hydroxide as CaCO3 (mg/L) U <br />Total Alkalinity 449 <br />Cation-Anion Balance <br />Cation-Anion Balance (%) 1.3 <br />Sum of Anions (meq/L) 42.3 <br />Sum of Cations (meq/L) 43.4 <br />Chloride, dissolved (mg/L) 11 <br />Conductivity @ 25C (umhoslcm) 2930 <br />Hardness as CaCO3 (mg/L) 1990 <br />Nitrate as N (mg/L) 20.6 <br />Nitrate/Nitrite as N (mg/L) 20.6 <br />Nitrite as N (mg/L) 0.01 <br />Nitrogen, ammonia (mg/L) 0.16 <br />pH @ 25C 6.8 <br />Phosphate as PO4 (mg/L) U <br />Phosphorus (mg1L) U <br />Sodium Absorption Ratio in Water 0.38 <br />Sulfate, dissolved (mg/L) 1500 <br />Total Dissolved Solids @ 180C (mg! 2670 <br />. Total Dissolved Solids, calculated ( 1 <br />1. Negative (-) =less than <br />2. U =not detected at MDL (Minimum Detectio n Level) <br />c: Ida Ca lgprol wa [er193198annhyd. w63 <br />