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GROUND WATER QUALITY PARAMETERS <br />SITE: GW-N16P1 <br />• FORMATION: UNDERBURDEN <br />DATE OF COLLECTION 26-Feb97 04-Aug-97 <br />FIELD PARAMETERS <br />PH 7.9 7.7 <br />Water Temperature (deg C) 15.7 16.4 <br />Conductivity (umhoslcm) 1,450 1,500 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />U <br />10.9 <br />l <br />• <br />Iron, dissolved (mg/L) 0.01 0.01 <br />Lead, dissolved (mg1L) U U <br />Wef Chemistry <br />Sum of Cations (meq/L) 21 18.7 <br />Chloride, dissolved (mg/L) 26 27 <br />Conductivity ~ 25C (umhos/cm) 1900 1830 <br />Hardness as CaCO3 (mglL) 55 47 <br />Nitrate as N (mgiL) ~ U U <br />Nitrate/Nitrite as N (mg/L) U U <br />Nitrite as N (mq/L) 0.01 U <br />Nitrogen, ammonia (mg/L) 0.73 0.67 <br />pH @ 25C 8.3 8.4 <br />Phosphate as PO4 (mg/L) U U <br />Total Dissolved Solids Cm 180C (mg/L) 1160 1150 <br />~oainm ,vosorpuon rtauo m water zo.~ ta.s <br />Sulfate, dissolved (mglL) 250 180 <br />1. Negative (-) =less than <br />2. U =not detected at MDL (Minimum Detection Level) <br />.. <br />Sodium, dissolved (mg/L) 441 396 <br />Calion-Anion Balance <br />Cation-Anion Balance (%) -1.4 -3.4 <br />Sum of Anions (meq/L) 21.6 20 <br />