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GROUND WATER QUALITY PARAMETERS <br />SITE: GW-N9 <br />FORMATION. OB 8 COAL <br />DATE OF COLLECTION 15-Aug-97 <br />FIELD PARAMETERS <br />pH 6.5 <br />Water Temperature (deg C) 17 <br />Conductivity (umhos/cm) 2600 <br />LABORATORY PARAMETERS <br /> <br />Chloride dissolved (mg/L) 7 <br />Conductivity ~ 25G (umhos/cm) 3170 <br />Hardness as CaCO3 (mg/L) 2480 <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 (mglL) 0.52 <br />pH ~ 25C 6.8 <br />Phosphate as PO4 (mglL) U <br />Total Dissolved Solids Cd? 180C (mg/L) 3180 <br />Total Dissolved Solids calculated (mglL) 3050 <br />Sodium Absorption Ratio in Water 0.33 <br />Sulfate. dissolved (mo/L) 1940 <br />1. Negative (-) =less than <br />2 U =not delectetl at MDL (Minimum Detection Level) <br />~J <br />Metals Analysis <br />Wet Chemistry <br />