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GW N42 <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />&ONITORING WELL GW-N42 <br />Zone Coal <br />Northing: 601719.09 <br />Easting: 1119488.6 <br />Elevation: 6;37536 5774.343 CHANGED ELEVATION JANUARY 22, 2008 <br />Well Depth: 48.5 <br />Date of Collection 10-Oct-07 12-Nov-07 12-Dec-07 17Jan-08 19-Feb-08 20-Mar-08 14-Apr-08 7-May-08 11-Jun-08 21-Jul-08 19-Aug-08 23-Sep-08 <br />FIELD PARAMETERS <br />PH <br />Water Temperature (deg C) <br />Conductivity (umhos/cm) <br />Depth Dry Dry Dry Dry Dry Dry Dry Dry 47.60 47.35 Dry Dry <br />Depth (elev) #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! #VALUE! 5726.7 5727.0 #VALUE! #VALUE! <br />LABORATORY PARAMETERS <br />Metals Analysis <br />Aluminum, dissolved (mg/L) <br />Calcium, dissolved (mg/L) <br />Iron, dissolved (mg/L) <br />Lead, dissolved (mg/L) <br />Magnesium, dissolved (mg/L) <br />Manganese, dissolved (mg/L) <br />Molybdenum, dissolved (mg/t.) <br />Potassium (mg/L) <br />Selenium, dissolved (mg/L) <br />Sodium, dissolved (mg/L) <br />Wet Chemistry <br />Alkalinity as CaC03 <br />Bicarbonate as CaC03 (mg/L) <br />Carbonate as CaC03 (mg(L) <br />Hydroxide as CaC03 (mg/L) <br />Total Alkalinity <br />Cation-Anion Balance <br />Cation-Anion Balance (% ) <br />Sum of Anions (meq/L) <br />Sum of Cations (meq/L) <br />hlonde, dissolved (mg/L) <br />onductivity Q 25C (umhos/cm) <br />ardness as CaC03 (mg/L) <br />Nitrate as N (mg/L) <br />Nitrate/Nitrite as N (mg/L) <br />Nitrite as N (mg/L) <br />Nitrogen, ammonia (mg/L) <br />pH Q 25C <br />Phosphorus (mg/L) <br />Total Dissolved Solids @ 180C (mg/L) <br />Sodium Absorption Ratio in Water <br />Sulfate, dissolved (mg/L) <br />Total Dissolved Solids (calculated) <br />Total Dissolved Solids, ratio --wred/calmlated) <br />1. Negative (.) = less than <br />2. U = not defected at MDL (Mn.- Detection Level) <br />3. H - Exceeded hold time <br />• <br />MDUS Units <br />0.06 mgt <br />0.4 mgt <br />0.04 mgt <br />0.0002 mgt <br />0.4 g4- <br />0.01 mgt <br />0.02 mgt <br />0.6 mgt <br />0.002 mgt <br />0.6 mgt <br />2 mgt <br />2 mgt <br />2 mgt <br />2 mgt <br />0.1 meq/L <br />0.1 meq/L <br />1 mgt <br />1 umhos/cm <br />1 mgt <br />0.02 mgt <br />0.02 mgt <br />0.01 mgt <br />0.05 mgt <br />0.1 <br />0.03 mgt <br />0.01 mgt <br />10 mgt <br />0.03 mgt <br />10 mgt <br />10 mgt <br />Monitoring Well GW-N42 <br />Current Water Year Data <br />5728 <br />Water <br />Elevation <br />(ft) <br />5727 <br />5726 <br />Oct-07 Nov-07 Dec-07 Jan-08 Feb-08 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 <br />F:\Eng\DATA\excell\water\2008\2008 ANUHYD