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CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N45 <br />Zone Coal <br />Northing: 599473 44 <br />Eastmg 1113345 47 <br />Elevation 5,653 72 <br />Well Depth: 88 <br />Date of Collection 14-0d-16 16 -Nov -16 29 -Dec -16 31 -Jan -17 28 -Feb -17 14 -Mar -17 27 -Apr -17 31 -May -17 6 -Jun -17 28 -Jul -17 3 -Aug -17 14 -Sep -17 <br />FIELD PARAMETERS <br />PH <br />759 <br />7.64 <br />769 <br />769 <br />Water Temperature (deg C) <br />11 2 <br />11.9 <br />129 <br />11 8 <br />Conductivity (umhos/cm) <br />14,390 <br />15,090 <br />13,730 <br />11,260 <br />Depth 6916 <br />6934 <br />7028 7060 71 11 71.31 <br />71 35 71 33 71.28 69.72 <br />69.70 <br />68.68 <br />Depth (elev) 5584.56 <br />5584.38 <br />5583.44 5583.12 558261 558241 <br />5582.37 5582.39 5582.44 558400 <br />558402 <br />5585.04 <br />LABORATORY PARAMETERS <br />Metals Analysts <br />MDUS Units <br />Aluminum, dissolved <br />U <br />U <br />U <br />U <br />0.06 mgt <br />Calcium, dissolved <br />192 <br />200 <br />152 <br />108 <br />04 mgt <br />Iron, dissolved <br />U <br />U <br />0.3(B) <br />0.7 <br />0.04 mgt <br />Iron, Total Recoverable <br />0.3(B) <br />06 <br />1.30 <br />1.4 <br />1E-04 myL <br />Lead, dissolved <br />U <br />U <br />0.002(B) <br />0001(B) <br />0.02mg1L <br />Magnesium, dissolved <br />2560 <br />2540 <br />1,970.00 <br />1350 <br />0.4 mgt <br />Manganese, dissolved <br />188 <br />1.92 <br />1.46 <br />1.07 <br />0005 mgt <br />Manganese, Total <br />1.94 <br />1 87 <br />1.53 <br />1.12 <br />0.005 mgt <br />Molybdenum, dissolved <br />U <br />U <br />U <br />U <br />0.02 mgt <br />Potassium, dissolved <br />20 <br />20 <br />18 <br />15 <br />06 mgt <br />Selenium, dissolved <br />U <br />U <br />U <br />U <br />1E-04 mga <br />Sodium, dissolved <br />1520 <br />1520 <br />1350 <br />1200 <br />6 mgt <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />1110 <br />1120 <br />1130 <br />1170 <br />2 mgt <br />Carbonate as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Hydroxide as CaCO3 <br />U <br />U <br />U <br />U <br />2 mgt <br />Total Alkalinity <br />1110 <br />1120 <br />1130 <br />1170 <br />2 mgt <br />Cation -Anion Balance <br />-1.9 <br />3.1 <br />0.90 <br />43 <br />% <br />Sum of Anions <br />298 <br />269 <br />225 <br />156 <br />01 meq/L <br />Sum of Cations <br />287 <br />286 <br />229 <br />170 <br />01 meq/L <br />Chloride <br />83.2 <br />119 <br />88 <br />75.9 <br />1 mgt <br />Conductivity a@25C <br />11700 <br />12900 <br />12,300 <br />10,700 <br />1 umhos/c <br />Hardness as CaCO3 <br />11000 <br />11000 <br />8,490 <br />5,830 <br />1 mgt <br />Nitrate as N, dissolved <br />UH <br />UH <br />UH <br />U <br />0.02 mgt <br />Nitrate/Nitrite as N, dissolve <br />UH <br />UH <br />UH <br />0 02(B) <br />0.02 mgt <br />Nitrite as N, dissolved <br />UH <br />UH <br />UH <br />0.01(B) <br />001 mgt <br />Nitrogen, ammonia <br />299 <br />2.96 <br />280 <br />217 <br />0.05 mgt <br />pH (lab) <br />8(H) <br />8.1(H) <br />81(H) <br />81(H) <br />01 <br />Phosphate <br />0 19(B) <br />0.25 <br />0.19(B) <br />025 <br />0.03 mgt <br />Phosphorus, ortho dissolved <br />0 06(H) <br />0.08(H) <br />0.06(H) <br />008 <br />0.01 mgt <br />Residue, Filterable (TDS) @180 <br />18,700 <br />18,100 <br />14,800(H) <br />11,800 <br />10 mgt <br />Sodium Absorption Ratio in Wet <br />64 <br />64 <br />7 <br />6.9 <br />003 mgt <br />Sulfate <br />13000 <br />11600 <br />9,510 <br />6210 <br />10 mgt <br />TDS (calculated) <br />18100 <br />16700 <br />13,800 <br />9680 <br />10 mgt <br />TDS (ratio - measured/calculat <br />1.03 <br />1 08 <br />1.07 <br />1.22 <br />1 Negative (-) = less than <br />2 U = not detected at MDL (Minimum Detection Level) <br />3 H - Exceeded hold hme <br />4 9 = Analyte concentrahon detected at a value between <br />M4A dE4AMNew Horizon 2\Enwronmental\2.0 CDRMS\2.6 AHR 8 ARR\2017WHR\2017 NH2 AHR <br />