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'14 <br />'12 <br />110 <br />�. <br />na <br />mn <br />s � a s <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW-N48 <br />Zone Coal Zone Initiated October 2008 <br />Northing: 611163 <br />Easing: 1113135.8 <br />Elevation: 5,718.50 <br />We0 Depth 47 <br />Date of Cofecton <br />FIELD PARAMETERS <br />1. NegePve (-)= Mss Man <br />2 1.1- not Med. st vet (on*usu Dated. Leal) <br />S. H tYSeded Ow <br />4. B = M4 wncermor dHedad et• valnbuSu . AWL .,d <br />5, <br />5, <br />5 , <br />Water 5 <br />Elevation <br />(E) 5 <br />5 <br />Oct-04 <br />19-Oct-09 18 -Nov-09 9 -Dec-09 13-Jan-10 25- Feb-10 18- Mar -10 14- Apr -10 25- May -10 28-Jun-10 19.M -10 25-Aug -10 14-Sep-10 <br />Ph 8,1 5.8 6.1 5.9 <br />Water Temperature (deg C) 12.4 11.6 12.8 12.3 <br />Conductivity (umhoslan) 1,574 1,878 1,603 1,553 <br />Depth 8.69 12.46 13.95 15.75 17.43 16.14 15.02 12.80 7.07 6.56 635 6.80 <br />Depth (elev) 5709.91 5706.04 5704.55 5702.75 6701.07 5702.38 5703.48 5705.75 5711.43 5711.94 5712.15 6711.90 <br />LABORATORY PARAMETERS <br />Metals Analysis MDL'S Units <br />Aluminum, dissolved U .07(8) .12(B) 0.15(B) 0.06 .91. <br />Calcium, dissolved 212 231 231 205 0.4 myt <br />Iron. dissolved 24.3 30 26.7 23 0.04 mat <br />Iron, Total Recoverable 14 34.3 30.1 24.9 1E-04 mgt <br />Lead, dissolved U U .0002(B) U 0.02 mat <br />Magnesium, dissolved 107 123 119 95.8 0.4 met <br />Manganese, dissolved 1.61 1.9 1.76 1590 0.005 met <br />Manganese, Total 1.77 1.99 1.83 1570 0.005 mat <br />Molybdenum, dissolved U .02(8) U U 0.02 mg& <br />Potassium, dissolved 9 9.4 9.9 9.1 0 6 met <br />Selenium, dissolved U .0001(6) .0001(13) U 1E -04 mat <br />Sodium, dissolved 54.4 552 55.5 54.5 6 mgt <br />Wet Chemistry <br />Bicarbonate as CaCO3 133 142 132 101 2 mot <br />Carbonate as CaCO3 U U U U 2 mat. <br />Hvdrotdde as CaCO3 U U U U 2 mat <br />TotalAlkalnity 133 142 132 101 2 mat <br />Cation -Anion Balance 3.1 -1.7 3.8 2.3 6 <br />Sum of Anions 22.2 27.2 23.9 21.3 0.1 meal. <br />Sum ofCalans 23.8 26.3 25.8 22.3 0.1 mewl. <br />Chloride 15 18 18 15 1 mg22 <br />Conductivity MSC 1870 2080 1930 1660 1 umhosuro <br />Hardness as CaCO3 970 1080 1070 906 1 mgt <br />Nitrate as N, dissolved U U U 0.04(B) 0.02 mgt <br />Nitrate/Ndnie as N, dissolve HU U HU 0.04(B) 0.02 mat <br />Nitrite as N, dissolved 1113 U HU U 0.01 mat <br />Nitrogen, ammonia 2.9 2.99 2.8 2.49 0.05 met <br />pH (lab) 6.8(11) 7.1(H) 7.0(H) 7.10-1) 0.1 <br />Phosphate U .06(91 .03(3) U 0.03 mat <br />Phosphorus, ortho dissolved HU .02(8) .01(H13) U 0.01 mat <br />Residue, Fiterable (COS) (0180 1590 1840 1570 1450 10 mat <br />Sodium Absorption Ratio in Wat 0.78 0.73 0.74 0.79 0.03 mat <br />Sulfate 910 1140 990 900 10 mat <br />TDS(calcuated) 1420 1690 1530 1370 10 mat <br />TOS (ratio - measuredtcalcufat 1.12 1.09 1.03 1.06 <br />Nov-09 <br />Dec-09 <br />Jen-10 <br />GW N48 <br />Monitoring Well GW -N48 <br />Current Water Year Data <br />Feb-10 Mar <br />Data <br />Apr -10 <br />May -10 <br />n,WFAllUserstryan1My DoaunentslRyanlPrc ectS\NUc1a120t0 \2010 ANUI1YD.tds <br />Jun <br />Jul-10 <br />Aug-10 <br />