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ANNUAL TESTING <br />• <br />GROUND WATER QUALITY PARAMETERS <br />SITE: GW-N1 <br />FORMATION: UNDERBURDEN <br />DATE OF COLLECTION 15-Aug-00 <br />FIELD PARAMETERS <br />pH 6.99 <br />Water Temperature (deg C) <br />Conductivity (umhos/cm) 3030 <br />LABORATORY PARAMETERS <br /> Metals Analysis <br /> Aluminum, dissolved (mg/L) U <br /> Calcium, dissolved (mg/L) 425 <br /> Iron, dissolved (mg/L) 0.62 <br /> Lead, dissolved (mg/L) U <br /> Magnesium, dissolved (mg/L) 197 <br /> Manganese, dissolved (mg/L) 3.35 <br /> Molybdenum, dissolved (mg/L) U <br /> Potassium (mg/L) 12.6 <br /> Selenium, dissolved (mg/L) U <br />• Sodium, dissolved (mg/L) 92.3 <br /> Wet Chemistry <br /> Alkalinity as CaCO3 <br /> Bicarbonate as CaCO3 (mg/L) 468 <br /> Carbonate as CaCO3 (mg/L) U <br /> Hydroxide as CaCO3 (mg/L) U <br /> Total Alkalinity 468 <br /> Cation-Anion Balance <br /> Cation-Anion Balance (%) -3.9 <br /> Sum of Anions (meq/L) 45.5 <br /> Sum of Cations (meq/L) 42.1 <br /> Chloride, dissolved (mg/L) 29 <br /> Conductivity @ 25C (umhos/cm) 3050 <br /> Hardness as CaCO3 (mg/L) 1870 <br /> Nitrate as N (mg/L) U <br /> Nitrate/Nitrite as N (mg/L) U <br /> Nitrite as N (mg/L) U <br /> Nitrogen, ammonia (mg/L) 0.33 <br /> pH @ 25C 6.8 <br /> Phosphate as PO4 (mg/L) <br /> Phosphorus (mg/L) 0.014 <br /> Sodium Absorption Ratio in Water 0.93 <br /> Sulfate, dissolved (mg/L) 1680 <br /> Total Dissolved Solids @ 180C (mg/L) 2850 <br /> Total Dissolved Solids, calculated (mg/L) 2720 <br />• 1. Negative (-) =less than <br /> 2. U =not detected at MDL (Minimum Detection Level) <br />c:\data \gpro\wa[er\99\99annhyd. wb3 <br />