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5,653 <br />Monitoring Well GW -N8 <br />Current Water Year Data <br />5,652 <br />- <br />5,651 <br />- <br />Water <br />E'..4.n650 <br />- <br />(f0 <br />5,649 - <br />5,648 - <br />5,647 <br />Oct -10 <br />Nov -10 <br />Dec -10 <br />Jan -11 <br />Feb-11 <br />Mar -11 Apr -11 <br />May -11 <br />Jun -11 <br />Jul -11 <br />Aug -11 <br />Sep-11 <br />Month <br />CONTENTS: MONTHLY WATER DEPTHS , HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />Monitoring Well GW-N8 <br />Zone OVERBURDEN 8 DAKOTA COAL <br />Northing: 606,783.00 <br />Easting: 1,112, 734.00 <br />Elevation: 642623 5726.67 TDF 3.13.07 <br />Well Depth: 400 94.15ft. 3.13.07 TDF(top 1.62ft. Missing + soil in bottom) <br />GW N8 <br />Date of Collection 19- Oct -10 22- Nov-10 13- Dec -10 18-Jan-11 16- Feb -11 8- Mar -11 14- Apr -11 11- May -11 21- Jun-11 15- Jul-11 17- Aug -11 13- Sep-11 <br />FIELD PARAMETERS <br />PH <br />Water Temperature (deg C) <br />Conductivity (umhoslcm) <br />Depth <br />Depth (elm') <br />LABORATORY PARAMETERS <br />6.57 7.13 6.81 6.77 <br />11.4 11.8 12.4 13.5 <br />4,130 4,180 4,200 4,170 <br />77.19 78.08 78.82 79.33 79.95 79.95 80.39 80.22 77.61 77.35 78.57 76.55 <br />5651.0 5650.2 5649.6 5648.9 5648.3 5648.3 5647.8 5648.0 5650.6 5,650.88 5651.7 5,651.68 <br />Metals Analysis MDL'S Units <br />Aluminum, dissolved U U U U 0.08 mos <br />Calcium, dissolved 468 481 462 482 0.4 mgt <br />Iron, dissolved 32 0.2(B) 0.2(B) 1.9 0.04 mot <br />Iron, Total Recoverable 11.8 2.18 1.7 6.7 0.0001 mat <br />Lead, dissolved U U 0.0028(8) U 0.02 mot <br />Magnesium, dissolved 384 387 397 401 0.4 man. <br />Manganese, dissolved 1.1 0.67 0.64 1.06 0.005 moot <br />Manganese, Total 1.04 0.75 0.73 1.15 0.005 malt. <br />Molybdenum, dissolved 0.09(B) U U U 0.02 mat <br />Potassium, dissolved 23 24 23 24 0.6 man. <br />Selenium, dissolved U U U U 00001 m <br />Sodium, dissolved 102 118 116 109 6 mat <br />Wet Chemistry <br />Bicarbonate as CaCO3 <br />Carbonate as CaCO3 <br />Hydroxide as CaCO3 <br />Total Alkalinity <br />Cation -Anion Balance <br />Sum of Anions 61.9 <br />Sum of Cations 60.4 <br />Chloride 26 <br />Conductively @25C 2890 <br />Hardness as CaCO3 2750 <br />Nitrate as N, dissolved 0.03(BH) <br />Nltrate/Nlrite as N, dissolve 0.07(B) <br />Nitrite as N, dissolved 0.04(HB) <br />Nitrogen, ammonia 2.2 <br />pH (lab) 7.7(H) <br />Phosphate 0.06(8) <br />Phosphorus, ortho dissolved 0.02(B) <br />Residue, Filterable (TDS) @180 4210 <br />Sodium Absorption Ratio in Wat 0.85 <br />Sulfate 2700 <br />TDS (calculated) 3840 <br />TOS (ratio - measured /caloulat 1.1 <br />1 Negative ( -) = less than <br />2. <br />U nd detected al MDL (Minimum Defection Loyal <br />9. H - Exceeded add time <br />4 B. Anal,. concentration detected ata value between MDL end PQL <br />224 337 <br />U U <br />U U <br />224 337 <br />-1.5 <br />62.6 <br />60.8 <br />43 <br />4040 <br />2740 <br />0.07(B) <br />0. 06(B_ <br />0.02(B) <br />1.87 <br />7.8(H) <br />0.06(B) <br />0.02(9) <br />4170 <br />0.99 <br />2600 <br />3840 <br />1.09 <br />F: \ Eng\ DATAlexcelllwater \201112011_ANUHYD <br />336 <br />U <br />U <br />336 <br />1 <br />60.3 <br />31.5 <br />39 <br />4140 <br />2790 <br />0.2 <br />0.22 <br />0.02(9) <br />1.42 <br />7.7(H) <br />0.03(B) <br />0.01(8) <br />4340 <br />0.96 <br />2500 <br />3740 <br />1.16 <br />256 <br />U <br />U <br />256 <br />0 <br />82.7 <br />62.7 <br />31 <br />4020 <br />2850 <br />0.04(B) <br />0.10(B) <br />0.06 <br />1.87 <br />7.6(H) <br />0.09(B) <br />0.03(8) <br />4230 <br />0.89 <br />2700 <br />3910 <br />1.08 <br />2 man. <br />2 mat <br />2 man_ <br />2 mat <br />0. 1 meq/L <br />0.1 meq/L <br />1 mot <br />1 umhos/cm <br />1 mat <br />0.02 mot <br />0.02 muL <br />0.01 m <br />0.05 mot <br />0.1 <br />0.03 m <br />0.01 mat <br />10 mgt <br />0.03 mot <br />10 mat <br />10 mat <br />