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G W_N45 <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW-N45 <br />Zone Coal <br />Northing: 599473.44 <br />Easting: 1113345.47 <br />Elevation: 5,653.72 <br />Well Depth: 88 <br />Date of Collection 29-Oct-08 19-Nov-08 12-Dec-08 14-Jan-09 17-Feb-09 25-Mar-09 15-Apr-09 13-May-09 11-Jun-09 14-Jul-09 13-Aug-09 21-Sep-09 <br />FIELD PARAMETERS <br />PH 8.1 8.2 8.2 8.0 <br />Water Temperature (deg C) 12.0 11.2 12.8 12.8 <br />Conductivity (umhos/cm) 5,700 5,610 3,210 5,600 <br />Depth 63.38 63.72 63.81 64.45 64.82 65.67 66.19 66.48 66.37 66.42 66.86 67.18 <br />Depth (elev) 5590.34 5590.00 5589.91 5589.27 5588.90 5588.05 5587.53 5587.24 5587.35 5587.30 5586.86 5586.54 <br />LABORATORY PARAMETERS <br />Metals Analysis MDUS Units <br />Aluminum, dissolved U U U U 0.06 mgiL <br />Calcium, dissolved 89 99.00 88.00 93.70 0.4 mgt <br />Iron, dissolved U U U .03(B) 0.04 mg1L <br />Lead, dissolved U U U U 1E-04 mgt <br />Magnesium, dissolved 374 434 371.00 421 0.4 n9k <br />Manganese, dissolved U U U .009(B) 0.04 mgil <br />Molybdenum, dissolved U U U .02(B) 0.02 mg1L <br />Potassium, dissolved 8 11.00 9.00 10.7 0.6 mgrL <br />Selenium, dissolved U U 0.02 0.0124 0.001 mglL <br />Sodium, dissolved 971 1020 947 1040 6 mgt <br />Wet Chemistry <br />Bicarbonate as CaC03 1260 1,040 1,190 1,250 2 mgt <br />Carbonate as CaC03 U 149.00 62.00 44.00 2 mgt <br />Hydroxide as CaC03 U U U U 2 mg1L <br />Total Alkalinity 1260 1,190 1,250 1,300 2 mg/L <br />Cation-Anion Balance 0.05 7.50 -1.50 5.90 % <br />Sum of Anions 77.4 73.80 79.20 75.90 0.1 meq/L <br />Sum of Cations 78.2 85.80 76.80 85.40 0.1 meq/L <br />Chloride 64 60 60 61 1 mgt <br />Conductivity @25C 5330 5,960 5,490 5,460 1 umhoen <br />Hardness as CaC03 1760 2,030 1,740 1,960 1 mg1L <br />Nitrate as N, dissolved U .02(B) U .08(B) 0.02 mgt <br />Nitrate/Nitrite as N, dissolve UH .02(HB) U .08(HB) 0.02 mgt <br />Nitrite as N, dissolved UH HU U HU 0.01 mg/L <br />Nitrogen, ammonia 1.83 1.79 1.74 1.75 0.05 mg1L <br />pH (lab) 8.2(H) 8.7(H) 8.3(H) 8.3(H) 0.1 <br />Phosphate 0.15 .09(6) .12(B) .06(B) 0.03 mgt <br />Phosphorus, ortho dissolved .05(B) .03(HB) .04(B) .02(BH) 0.01 mg/L <br />Residue, Filterable (TDS) @180 4,880 4,710 1,810 4790 10 mg/L <br />Sodium Absorption Ratio in Wat 10.2 9.97 9.99 10 0.03 mg1L <br />Sulfate 2,400 2,300 2,500 2,300 10 mglL <br />TDS (calculated) 4,660 4,700 4,750 4,720 10 mg1L <br />TDS (ratio - measured/calculat 1.05 1.00 1.02 1.01 <br />1. Negative (-) = less than <br />2. U = not detected at MDL (Minimum Detection Level) <br />3. H- Exceeded hold time <br />4. B = AnaMe concentration detected at a value between MDL and PQL <br />Monitoring Well GW-N45 <br />5591 Current Water Year Data <br />5590 <br />5589 <br />Water <br />Elevation(ft) <br />5588 <br />5587 <br />5586 <br />Oct-08 Nov-08 Dec-08 Jan-09 Feb-09 Mar-09 Apr-09 May-09 Jun-09 Jul-09 Aug-09 <br />F:\E ng\DATA\excel I\watert2009\2009_AN UHYD.xis