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GW—N51 <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N51 <br />Zone Coal Zone Initiated October 2008 <br />Northing 2115460 6 <br />Easbng 1609888 5 <br />Elevation 5,75410 <br />Well Depth 38 <br />Date of Collection 16 -Oct -15 16 -Nov -15 8 -Deo -15 14 -Jan -16 10-Feb16 28 -Mar -16 13 -Apr -16 17 -May -16 22 -Jun -16 29-JuF16 17 -Aug -16 28 -Sep -16 <br />FIELD PARAMETERS <br />pH <br />564 <br />518 <br />523 568 <br />651 <br />644 <br />652 530 <br />562 <br />542 513 <br />556 <br />Water Temperature (deg C) <br />162 <br />120 <br />143 134 <br />136 <br />114 <br />124 129 <br />131 <br />169 136 <br />167 <br />Conductivity(umhoslcm) <br />1,083 <br />1,070 <br />1,161 1,021 <br />952 <br />928 <br />943 1,104 <br />1,128 <br />1,079 1,075 <br />1,062 <br />Depth <br />848 <br />1487 <br />1587 2124 <br />2360 <br />11 32 <br />1487 734 <br />692 <br />632 577 <br />5 14 <br />Depth (elev) <br />5745 62 <br />573923 <br />573823 5732 86 <br />573050 <br />574278 <br />573923 574676 <br />574718 <br />574778 5748 33 <br />5748 96 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDL'S Units <br />Aluminum, total rec <br />202 <br />248 <br />282 <br />19 <br />0 06 mqt <br />Arsenic, dissolved <br />00012 <br />0 0005(B) <br />0 0007(B) <br />0 0003(B) <br />0 001 mqt <br />Cadminum, dissolved <br />0 0004(B) <br />0 0002(B) <br />0 0004(B) <br />00007 <br />2E-04 vt <br />Calcium, dissolved <br />103 <br />118 <br />102 <br />994 <br />04 wt <br />Iron, dissolved <br />245 <br />072 <br />131 <br />1 38 <br />004 ngL <br />Iron, total recoverable <br />168 <br />684 <br />187 <br />30 <br />004 wl <br />Lead, dissolved <br />0 0003(B) <br />U <br />0 0002(B) <br />0 0002(8) <br />2E-04 mg4 <br />Magnesium, dissolved <br />521 <br />356 <br />496 <br />495 <br />04 ,V& <br />Manganese, dissolved <br />067 <br />1 3 <br />0 673 <br />068 <br />001 M1 <br />Manganese, total rec <br />0 717 <br />1 37 <br />0 737 <br />0 747 <br />001 mql- <br />Mercury, dissolved <br />U <br />U <br />U <br />U <br />2E-04 wt <br />Molybdenum, dissolved <br />U <br />U <br />U <br />U <br />002 rrryt <br />Potassium, dissolved <br />71 <br />4 <br />7 <br />69 <br />0 6 'VI <br />Selenium, dissolved <br />U <br />U <br />U <br />U <br />2E-04 mga <br />Silver, dissolved <br />U <br />U <br />U <br />U <br />#00 'wt <br />Sodium, dissolved <br />273 <br />146 <br />255 <br />277 <br />0 6 vt <br />Zinc, dissolved <br />043 <br />006 <br />046 <br />046 <br />002 mqt <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />338 <br />268 <br />337 <br />17 3(B) <br />2 mgt <br />Carbonate as CaCO3 <br />U <br />U <br />U <br />U <br />2 mg1L <br />Hydmxde as CaCO3 <br />U <br />U <br />U <br />U <br />2 mg1L <br />Total Alkalinity <br />338 <br />268 <br />337 <br />17 3(B) <br />2 mqL <br />Cation -Anon Balance <br />-43 <br />-5 3 <br />43 <br />0 <br />% <br />Sum of Anions <br />12 <br />11 <br />11 <br />11 <br />01 m.WL <br />Sum of Cabons <br />11 <br />99 <br />12 <br />11 <br />01 m.o t <br />Chloride <br />179 <br />54 <br />73 <br />89 <br />1 mg'L <br />Conductivity @j25C <br />1130 <br />863 <br />1040 <br />951 <br />1 —0.w— <br />rrvro✓Hadness <br />Hardnessas CaCO3 <br />472 <br />441 <br />459 <br />452 <br />1 mqt <br />Nitrate as N, dissolved <br />UH <br />UH <br />U <br />UH <br />002 mqt <br />NrtmteMitrde as N, dissolve <br />UH <br />UH <br />U <br />UH <br />002 ,qt <br />Nitrite as N, dissolved <br />UH <br />UH <br />0 01(8) <br />UH <br />001 mqt <br />Nitrogen, ammonia <br />334 <br />245 <br />349 <br />396 <br />005 rpt <br />PH (lab) <br />64(H) <br />77(H) <br />61(H) <br />65(H) <br />01 <br />Phosphate <br />0 06(B) <br />U <br />0 09(B) <br />0 12(B) <br />003 mga <br />Phosphorus, ortto dissolved <br />0 02(B)H <br />UH <br />0 03(B) <br />0 04(BH) <br />001 rrpyt <br />Residue, Filterable (TDS) @180 <br />796 <br />638 <br />870 <br />800 <br />of mL4A <br />Residue, Settleable Matter (SS) <br />U <br />U <br />U <br />0 3(B) <br />10 mg/L <br />Sodium Absorpbon Ratio in Wet <br />055 <br />031 <br />052 <br />057 <br />003 mg1L <br />Sulfate <br />519 <br />275 <br />501 <br />486 <br />10 mg1L <br />Sulfide as S <br />U <br />U <br />U <br />0 09(B) <br />002 mg1L <br />TDS (calculated) <br />754 <br />621 <br />731 <br />696 <br />10 mg1L <br />TDS (ratio - measuredlcalculat <br />106 <br />1 03 <br />1 19 <br />1 15 <br />1 rtegasre (-1= %se m- <br />2 U = not detected at MDL (MI, u Detection Level) <br />3 H-Exceededt.0&- <br />4 a=Anajle � detedW st a <br />valiv. en <br />MDL end PQL <br />