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GW_N41 <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />• Monitoring Well GW-N41 <br />Zone Overburden <br />Northing: 601701.53 <br />Easting: 1119487.75 <br />Elevation: 5,776.72 5775,33 CHANGED ELEVATION JANUARY 22, 2008 TDF <br />'ell Depth: 22.75 <br />Date of Collection 10-Oct-07 12-Nov-07 12-Dec-07 17-Jan-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 7.43 7.47 <br />Water Temperature (deg C) 12.20 17.80 <br />Conductivity (umhos/cm) 615 521 <br />Depth 18.15 Dry 18.40 dry Dry 21.60 dry 13.90 14.60 16.24 17.44 16.68 <br />Depth (elev) 5757.2 #VALUE! 5756.9 #VALUE! #VALUE! 5755.1 #VALUE! 5762.8 5762.1 5760.5 5759.3 5760.0 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />Aluminum, dissolved (mg/L.) U U <br />Calcium, dissolved (mg/L) 94.8 76.8 <br />Iron, dissolved (mg/L) U U <br />Lead, dissolved (mg/L.) U U <br />Magnesium, dissolved (mg/L) 41.2 42.3 <br />Manganese, dissolved (mg/L) U U <br />Molybdenum, dissolved (mg/L) U U <br />Potassium (mg/L.) 3 2.3 <br />Selenium, dissolved (mg/L) 0.0005 0.0006 <br />Sodium, dissolved (mg/L) 11.4 12.1 <br />Wet Chemistry <br />Bicarbonate as CaC03 (mg/L) 302 272 <br />Carbonate as CaC03 (mg/L) U U <br />Hydroxide as CaC03 (mg/L) U U <br />Total Alkalinity 302 272 <br />Cation-Anion Balance (%) 3 4.6 <br />Sum of Anions (meq/L) 8.2 72 <br />Sum of Cations (meq/L) 8.7 7.9 <br />Chloride, dissolved (mg/L) 3(B) 3(B) <br />Conductivity Q 25C (umhos/cm) 754 643 <br />Hardness as CaC03 (mg/L.) 406 366 <br />• <br />Nitrate as N (mg/L) 128 0.84 <br />Nitrate/Nitnte as N (mg/L.) 1.28(H) .84(H) <br />Nitrite as N (mg/L.) HU HU <br />Nitrogen, ammonia (mg/L) U U <br />pH Q 25C 7.9(H) 8.2(H) <br />Phosphate .06(B) .06(B) <br />Phosphorus (mg/L.) .02(HB) .03(HB) <br />Total Dissolved Solids Q 180C (mg/L) 470 430 <br />Sodium Absorption Ratio in Water 0.24 0.27 <br />Sulfate, dissolved (mg/L) 97 79 <br />Total Dissolved Solids (calculated) 437 382 <br />Total Dissolved Solids, ratio - measured/calculated) 1.08 1.13 <br />1. Negative (-) = less than <br />2 U = rat daleoted at MDL (Minimum Detection Levey <br />3. H - Exceeded hdd time <br />4. B =A-64a concentration detected at a value between MDL and POL <br />r: <br />MDUS Units <br />0.06 mgL <br />0.4 mgt <br />0.04 mgt <br />2E-04 mgt <br />0.4 mgt <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 mgyL <br />2 mgt <br />x <br />0.1 megA. <br />0.1 meq/L <br />1 mgt <br />1 umhos/ra <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 g4- <br />10 mgt <br />0.03 mgt <br />10 mgt <br />10 mgt <br />MONITORING WELL G W-N41 <br />Current Water Year Data <br />5766 <br />5764 <br />5762 <br />Water <br />Elevation <br />(h) <br />5760 <br />5758 <br />5756 - <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:\En g\DATA\excell\water\2008\2008_ANU HY D