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GW N37 <br />CONTENTS: MONTHLY WATER DEPTHS DATING BACK TO MAY'93, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N37 <br />Zone DAKOTA COAL CORRECTION RLG 12-20-05 <br />Northing 000,02219 <br />Easbrg ,121,44064 <br />Elevation 5,75203 <br />Well Depth 44.70 164 <br />FIELD PARAMETERS 28 -Oct -15 11 -Nov -15 11-13eo15 12 -Jan -18 9 -Feb -16 16 -Mar -18 14 -Apr -18 <br />18 -May -16 30 -Jun -16 <br />14 -Jul -le 10 -Aug -18 30 -Sep -16 <br />PH Dry Dry Dry Dry Dry Dry <br />547 <br />419 <br />Wet. Temperature (deg C) <br />137 <br />170 <br />Conduchvity(umhos/=) <br />553 <br />587 <br />Depth to water (fl) Dry Dry Dry Dry Dry Dry Dry <br />1493 1070 <br />1027 1015 1241 <br />Water Elevation (ft) #VALUE' #VALUE' #VALUE' #VALUE' #VALUE' #VALUE' #VALUE' <br />5,73710 5,74127 <br />5,74176 5,74188 5,73982 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />MDLS Units <br />Aluminum, dissolved <br />038 <br />1 1 <br />000 mgt <br />Calcumi, dissolved <br />468 <br />487 <br />04 mg'L <br />Imn, dissolved <br />U <br />006 <br />0 04 mgt <br />Iron, Total Recoverable <br />072 <br />006 <br />1E-04 mgt <br />Lead, dissolved <br />0 0005 <br />00009 <br />0 02 mgt. <br />Magnesium, dissolved <br />216 <br />189 <br />04 mgL <br />Manganese, dissolved <br />0063 <br />0019(B) <br />0005 mgt <br />Manganese, Total <br />0 096 <br />0 019(8) <br />0 005 mgt <br />Molybdenum, dissolved <br />U <br />U <br />002 mgt <br />Potassium, dissolved <br />43 <br />le <br />0 6 mgt <br />Selenium, dissolved <br />00011 <br />00021 <br />IE -04 mgL <br />Sodium, dissolved <br />163 <br />197 <br />6 mgt <br />Wet Chemistry <br />Bicarbonate as CaCO3 (mg&) <br />362 <br />U <br />2 mgt <br />Carbonate as CaCO3 (mgA.) <br />U <br />U <br />2 mgt <br />Hydmxde es CaCO3 (mg/L) <br />U <br />U <br />2 mgt <br />Total Alkalinity <br />362 <br />U <br />2 ,gL <br />Catk rAnan Balance (%) <br />-38 <br />0 <br />% <br />Sum of Anions (meq/L) <br />54 <br />5 <br />01 meg& <br />Sum of Cabins (meq/L) <br />5 <br />5 <br />01 moot <br />Chloride, dissolved (mg&) <br />239 <br />272 <br />1 mgt <br />Conductivity @ 25C (umhoNkxn) <br />529 <br />537 <br />1 u.h.V6 <br />Hardness as CaCO3 (mg/L) <br />206 <br />199 <br />1 mgL <br />Nitrate as N(rrglL) <br />1 <br />047(H) <br />002 mgt <br />N#rate/Ndrle as N(mg/L) <br />1 <br />047(H) <br />002 mgt <br />Nltrde as N (mg/L) <br />U <br />UH <br />0 01 mgt <br />Ndrogen, ammonia (mg/L) <br />U <br />U <br />0 05 mgt <br />pH@25C <br />64(H) <br />44(H) <br />01 <br />Phosphate as PO4 (mg/L) <br />0 OB(B) <br />U <br />0 03 mgt <br />Phosphorus (mg/L) <br />002(B) <br />UH <br />001 mgt <br />Resdue, Frlereble @180 (TDS) <br />418 <br />440 <br />10 mgt <br />Sodium Absorption Ratio in Water <br />05 <br />061 <br />003 ma L <br />Sulfate, dissolved (mg/L) <br />185 <br />198 <br />10 mgt <br />Total Dissolved Solids @ 180C (mg/L) <br />325 <br />317 <br />10 mgt <br />Total Dissolved Solids, calculated (mg/L) <br />129 <br />139 <br />1 Nsgaew!/=bee awn <br />2 v= nat defected d UX(Ud—Ddedwn Leery <br />3 H-Erceededhddi- <br />4 8 =An*l. Mxnweam debited d e veAre between MX —J POL <br />M \EMSWew Horizon 2\Enwronmental\2 0 CDRMS\2 6 AHR & ARR\20161AHR\201e_NH2_AMR <br />