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CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH <br />and QUARTERLY TESTING RESULTS <br />MONITORING WELL GW -N48 UPDATED PARAMETERS <br />Zone Coal Zone <br />Northing 2113630 9 <br />Easting 1611657 2 <br />Elevation 5,71850 <br />Well Depth 47 <br />Date of Collection <br />FIELD PARAMETERS <br />Initiated October 2008 <br />I Negative ( -) = less than <br />2 U = not detected at MDL (Minimum Detection Level) <br />3 H- Exceeded hold time <br />4 B = Ana'yte concentration detected at a value between MDL and PQL <br />Water <br />Elevation <br />(ft) <br />5 714 <br />5,712 <br />5,710 <br />5,708 <br />5,706 <br />5,704 <br />5,702 <br />5,700 <br />GW_N48 (2) <br />5- Oct -11 17- Nov -11 12- Dec -11 18- Jan-12 15- Feb-12 12- Mar -12 10- Apr -12 8- May -12 13 -Jun-12 11-Jul-12 28- Aug -12 27- Sep-12 <br />Ph 5 84 6 17 6 00 5 96 <br />Water Temperature (deg C) 11 6 11 1 13 0 13 6 <br />Conductivity (umhos /cm) 1,678 1,835 1,664 1,646 <br />Depth 5 39 11 13 13 41 15 31 16 62 17 46 18 14 15 23 7 10 5 99 6 10 6 91 <br />Depth (elev) 5713 11 5707 37 5705 09 5703 19 5701 88 5701 04 5700 36 5703 27 5711 40 5712 51 5712 40 5711 59 <br />LABORATORY PARAMETERS <br />Metals Analysis MDL'S Units <br />Aluminum, total rec 008(B) 012(8) 0 14(B) 006 mgi <br />Arsenic, dissolved U U U 0001 mgt <br />Cadnnum, dissolved U U U 2E -04 mgt <br />Calcium, dissolved 237 256 189 04 mgt <br />Iron, dissolved 30 2 33 7 23 5 0 04 mgt <br />Iron, total recoverable 34 6 35 1 25 8 0 04 mgt <br />Lead, dissolved U 0 0004(B) 0 0001(B) 2E -04 mgt <br />Magnesium, dissolved 125 134 97 4 0 4 mgt <br />Manganese, dissolved 1 96 2 1 1 5 0 01 mgt <br />Manganese, total rec 2 030 2 13 1 59 0 01 mgt <br />Mercury, dissolved U U U 2E -04 mgt <br />Molybdenum, dissolved U U U 0 02 mgi <br />Potassium, dissolved 10 10 3 8 5 0 6 mgi. <br />Selenium, dissolved U U U 2E -04 mgt - <br />Silver, dissolved U U U 44=4 mgt. <br />Sodium, dissolved 55 5 57 2 49 9 0 6 mgt <br />Zinc, dissolved 016 019 015 002 mgt <br />Wet Chemistry <br />Bicarbonate as CaCO3 149 120 124 2 mgi <br />Carbonate as CaCO3 U U U 2 mg /L <br />Hydroxide as CaCO3 U U U 2 mg /L <br />Total Alkalinity 149 120 124 2 mgt <br />Cation -Anion Balance -0 2 1 4 -2 3 0 <br />Sum of Anions 26 8 27 9 22 4 0 1 magi. <br />Sum of Cations 26 7 28 7 21 4 0 1 megi. <br />Chloride 18 17 14 1 mql. <br />Conductivity @25C 1930 1950 1710 1 umnos/cm <br />Hardness as CaCO3 1110 1190 873 1 mgt <br />Nitrate as N, dissolved HU UH HU 0 02 mgt <br />Nitrate /Nitrite as N, dissolve HU HU HU 0 02 mgt <br />Nitrite as N, dissolved HU HU HU 0 01 mgt <br />Nitrogen, ammonia 2 62 2 98 2 72 0 05 mgi. <br />pH (lab) 6 5(H) 7 3(H) 6 9(H) 0 1 <br />Phosphate U U 0 06(B) 0 03 mgi. <br />Phosphorus, ortho dissolved HU HU 0 02(BH) 0 01 mgt <br />Residue, Settleable Matter (SS) U U 0 1 mULv <br />Residue, Filterable (TDS) @180 1820 1870 1470 10 mg /L <br />Sodium Absorption Ratio in Wat 0 74 0 73 0 74 0 03 mg /L <br />Sulfate 1110 1190 930 10 mg /L <br />Sulfide as S U U 0 02 mg /L <br />TDS (calculated) 1680 1780 1390 10 mg /L <br />TDS (ratio - measured/calculat 1 08 1 05 1 06 <br />Monitoring Well GW-N48 <br />Current Water Year Data <br />Oct -11 Dec -11 Feb-12 Apr -12 Jun -12 Aug -12 <br />Data <br />F \Eng\ DATA \excell\water\2012\2012_ANUHYD <br />