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GW -N57 <br />CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N57 <br />Zone Coal Zone <br />Initiated August 2012 <br />Northing 2112853 4 <br />Eashng 1607265 6 <br />Elevation 5,71390 <br />Well Depth 84 7 <br />Date of Collection <br />16 -Oct -15 17 -Nov -15 8-0-15 <br />14 -Jan -16 <br />16 -Feb -16 <br />28 -Mar -16 13 -Apr -16 <br />17 -May -16 <br />22Jun-16 29Jul-16 <br />31 -Aug -16 20 -Sep -16 <br />FIELD PARAMETERS <br />pH <br />677 6 65 658 <br />667 <br />660 <br />673 6 75 <br />6 65 <br />678 669 <br />687 6 67 <br />Water Temperature (deg C) <br />125 12 7 126 <br />12 3 <br />135 <br />12 3 129 <br />130 <br />130 139 <br />11 9 12 7 <br />Conductivity(umhos/cm) <br />4,990 5,610 5,130 <br />5,220 <br />5,250 <br />5,170 5,250 <br />5,390 <br />5,220 5,190 <br />4,660 5,830 <br />Depth <br />67 07 67 72 6703 <br />6542 <br />69 80 <br />65 36 65 62 <br />6531 <br />6345 6143 <br />61 16 6210 <br />Depth (elev) <br />564683 564618 564687 <br />564848 <br />564410 <br />564854 564828 <br />564859 <br />565045 565247 <br />565274 5651 80 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDUS Units <br />Aluminum, total rec <br />U <br />1 0 <br />U <br />U <br />006 mga <br />Arsenic, dissolved <br />U <br />U <br />U <br />U <br />0 001 mga <br />Cadmnum, dissolved <br />U <br />U <br />U <br />U <br />2E-04 ngyL <br />Calcium, dissolved <br />544 <br />517 <br />478 <br />537 <br />0 4 rayl <br />Iron, dissolved <br />0 4 <br />0 2(8) <br />1 42 <br />03 <br />0 04 mgt <br />Iron, total recoverable <br />2 2 <br />6 09 <br />2 <br />21 <br />0 04 ,vL <br />Lead, dissolved <br />U <br />U <br />U <br />U <br />2E-04 mga <br />Magnesium, dissolved <br />515 <br />501 <br />503 <br />560 <br />04 mica <br />Manganese, dissolved <br />084 <br />08 <br />079 <br />09 <br />0 01 mea <br />Manganese, total rec <br />0 87 <br />088 <br />0 94 <br />093 <br />0 01 ,'wL <br />Mercury, dissolved <br />U <br />U <br />U <br />U <br />2E-04 rqi <br />Molybdenum, dissolved <br />U <br />0 2(B) <br />U <br />U <br />0 02 mgt <br />Potassium, dissolved <br />28 <br />27 <br />262 <br />29 <br />0 6 mga <br />Selenium, dissolved <br />U <br />U <br />U <br />U <br />2E-04 rga <br />Silver, dissolved <br />U <br />U <br />U <br />U <br />mqL <br />Sodium, dissolved <br />122 <br />127 <br />117 <br />137 <br />0 6 mga <br />Zinc, dissolved <br />0 09(B) <br />U <br />U <br />U <br />0 02 mea <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />533 <br />553 <br />600 <br />542 <br />2 mea <br />Carbonate as CaCO3 <br />U <br />U <br />U <br />U <br />2 mg/L <br />Hydmxde as CaCO3 <br />U <br />U <br />U <br />U <br />2 mg/L <br />Total Alkalinity <br />533 <br />553 <br />600 <br />542 <br />2 mga <br />Caton -Anion Balance <br />-1 3 <br />-2 6 <br />-84 <br />4 8 <br />% <br />Sum of Anions <br />78 <br />78 <br />84 <br />88 <br />0 1 mega <br />Sum of Cations <br />76 <br />74 <br />71 <br />80 <br />0 1 meyL <br />Chloride <br />266 <br />25 2 <br />243 <br />29 9 <br />1 mga <br />Conductivity @25C <br />4760 <br />4290 <br />4530 <br />4730 <br />1 of hoatcm <br />Hardness as CaCO3 <br />3480 <br />3350 <br />3260 <br />3650 <br />1 mea <br />Nitrate as N, dissolved <br />U <br />UH <br />U <br />U <br />002 ,,ga <br />Ndrate/Nitnte as N, dissolve <br />U <br />UH <br />U <br />U <br />002 ,,VL <br />Ndnte as N, dissolved <br />U <br />UH <br />U <br />U <br />001 wl <br />Nitrogen, ammonia <br />2 68 <br />311 <br />2 84 <br />2 94 <br />0 05 mea <br />pH (lab) <br />7 8(H) <br />7 8(H) <br />7 5(H) <br />7 7(H) <br />0 1 <br />Phosphate <br />0 03(B) <br />U <br />U <br />U <br />0 03 myL <br />Phosphorus, ortho dissolved <br />001(B) <br />UH <br />U <br />U <br />001 ruga <br />Residue, Filterable (TDS) @180 <br />4880 <br />5080 <br />5340 <br />5210 <br />0 1 ry.4A <br />Residue, Settleable Matter (SS) <br />U <br />U <br />U <br />U <br />10 mg/L <br />Sodium Absorpbon Rata in Wet <br />0 91 <br />0 97 <br />0 9 <br />1 <br />0 03 mg/L <br />Sulfate <br />3190 <br />3130 <br />3410 <br />3650 <br />10 mg/L <br />Sulfide as S <br />U <br />U <br />U <br />U <br />0 02 mglL <br />TDS (calculated) <br />4750 <br />4670 <br />4930 <br />5280 <br />10 mg/L <br />TDS (ratio - measured/calwlat <br />103 <br />1 09 <br />108 <br />0 99 <br />r Heeshve (-) = teas men <br />2 U =nor defected of MDL (M.— Detect.. Level) <br />3 H -Exceeded hoM ii - <br />4 B=A -44. co. hsh- detected M <br />evade be—MDL end PQL <br />