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CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N48 <br />Zone Coal Zone <br />Northing 2113630 9 <br />Easting 1611657 2 <br />Elevation 5,718 50 <br />Well Depth 47 <br />Initiated October 2008 <br />Date of Collection 5- Oct -11 17- Nov -11 12- Dec -11 18- Jan -12 15- Feb -12 0- Jan -00 0- Jan -00 0- Jan -00 0- Jan -00 0- Jan -00 0- Jan -00 0- Jan -00 <br />FIELD PARAMETERS <br />Ph 584 6 17 <br />Water Temperature (deg C) 11 6 11 1 <br />Conductivity (umhos /cm) 1,678 1,835 <br />Depth 5 39 11 13 13 41 15 31 16 62 0 00 0 00 0 00 0 00 0 00 0 00 0 00 <br />Depth (elev) 5713 11 5707 37 5705 09 5703 19 5701 88 5718 50 5718 50 5718 50 5718 50 5718 50 5718 50 5718 50 <br />LABORATORY PARAMETERS <br />Metals Analysis MDL'S Units <br />Aluminum, dissolved 0 13(8) 0 06 mg /L <br />Arsenic, total U 0 1 mg /L <br />Cadmium, total U 0 01 mg /L <br />Calcium, dissolved 207 04 mg /L <br />Iron, dissolved 28 5 0 04 mg /L <br />Lead, dissolved U 0 02 mg /L <br />Magnesium, dissolved 115 04 mg /L <br />Manganese, dissolved 1 72 0005 mg /L <br />tercury, total U 2E -04 mg /L <br />Molybdenum, dissolved 0 03(B) 0 02 mg /L <br />Potassium, dissolved 9 6 0 6 mg /L <br />Selenium, dissolved U 1E -04 mg /L <br />Sodium, dissolved 56 9 6 mg /L <br />Zinc, dissolved 0 17 0 01 mg /L <br />Wet Chemistry <br />Bicarbonate as CaCO3 118 2 mg /L <br />Carbonate as CaCO3 U 2 mg /L <br />Hydroxide as CaCO3 U 2 mg /L <br />Total Alkalinity 118 2 mg /L <br />Cation -Anion Balance 5 4 % <br />Sum of Anions 21 9 0 1 meq'L <br />Sum of Cations 24 4 0 1 meq/L <br />Chloride 16 1 mg /L <br />Conductivity @25C 1730 1 umhos/cm <br />Hardness as CaCO3 990 1 mg /L <br />Nitrate as N, dissolved U 0 02 mg /L <br />Nitrate /Nitrite as N, dissolve U 0 02 mg /L <br />Nitrite as N, dissolved U 0 01 mg /L <br />Nitrogen, ammonia 2 77 0 05 mg/L <br />pH (lab) 6 9(H) 0 1 <br />Phosphate 0 03(B) 0 03 mg /L <br />Phosphorus, ortho dissolved 0 01(B) 0 01 mg /L <br />Residue, Filterable (TDS) @180 1490 10 mg /L <br />Sodium Absorption Ratio in Wat 0 8 0 03 mg /L <br />Sulfate 910 10 mg /L <br />TDS (calculated) 1420 10 mg /L <br />TDS (ratio - measured /calculat 1 05 <br />i Negative ( -) = less than <br />2 U = not detected at MDL (Minimum Detection Level) <br />3 H - Exceeded hold time <br />4 B = Analyte concentration detected at a value between MDL and PQL <br />F \Eng\ DATA \excel I \water\2012(2012_AN U H YD <br />