2011-10-17_REPORT - C1981008 - Laserfiche WebLink

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CONTENTS: MONTHLY WATER DEPTHS, HYDROGRAPH and QUARTERLY TESTING RESULTS MONITORING WELL GW -N45 Zone Coal Northing: 599473.44 Easting: 1113345.47 Elevation: 5,653.72 Well Depth: 88 Date of Collection 19- Oct -10 11- Nov -10 13- Dec -10 18- Jan -11 15- Feb -11 8- Mar -11 14- Apr -11 10- May -11 21- Jun -11 15- Jul -11 16- Aug -11 13- Sep -11 FIELD PARAMETERS PH 8.31 8.16 8.15 8.06 Water Temperature (deg C) 10.4 10.5 11.5 11.4 Conductivity (umhos/cm) 4,970 5,020 4,940 485 Depth 70.60 70.24 70.64 71.31 72.18 72.65 72.47 72.96 73.15 72.35 73.81 74.75 Depth (elev) 5583.12 5583.48 5583.08 5582.41 5581.54 5581.07 5581.25 5580.76 5580.57 5581.37 5579.91 5578.97 LABORATORY PARAMETERS Metals Analysis MDL'S Units Aluminum, dissolved 0.08(B) U U U 0.06 mgt Calcium, dissolved 82.6 92.10 90.20 79.80 0.4 mgt Iron, dissolved U U U U 0.04 mgt Iron, Total Recoverable 0.15 0.29 1.22 0.61 1E -04 mgt Lead, dissolved 0.0032 U 0.0000(8) U 0.02 mgt Magnesium, dissolved 279 287 268 238 0.4 mgt Manganese, dissolved 0.04(6) 0.02(B) U 0.01(B) 0.005 mgt Manganese. Total 0.02(8) 0.04(B) 0.14 0.04(B) 0.005 mgt Molybdenum, dissolved U U U U 0.02 mgt Potassium, dissolved 8.6 8.10 7.70 7.3 0.6 mgt Selenium, dissolved U U U U 1E-04 mgt Sodium, dissolved 839 818 782 808 6 mgt Wet Chemistry Bicarbonate as CaCO3 1090 1,050 1,130 1,190 2 mgt Carbonate as CaCO3 46 41 46 U 2 mgt Hydroxide as CaCO3 U U U U 2 mgt Total Alkalinity 1140 1,090 1,170 1,190 2 mgt Cation -Anion Balance 2.6 0.60 -3.40 -3.30 % Sum of Anions 61 63.70 65.50 63.30 0.1 meq /L Sum of Cations 64.2 67.50 61.20 59.30 0,1 meq /L Chloride 48 47 50 52 1 mgt Conductivity @25C 4740 4,840 4,830 4,710 1 umhos/ci Hardness as CaCO3 1350 1,410 1,330 1,180 1 mgt Nitrate as N, dissolved 0.22 HU UH HU 0.02 mgt Nitrate /Nitrite as N, dissolve 0.22 HU HU HU 0.02 mgt Nitrite as N, dissolved U HU HU HU 0.01 mgt Nitrogen, ammonia 1.2 1.66 1.28 1.05 0.05 mgt pH (lab) 8.3(H) 8.3(H) 8.3(H) 8.3(H) 0.1 Phosphate 0.12(B) 0.06(B) 0.12(B) 0.09(B) 0.03 mgt Phosphorus, ortho dissolved 0.04(B) 0.02(H) 0.04(HB) 0.03(HB) 0.01 mgt Residue, Filterable (TDS) @180 3,970 3,980 3,840 3710 10 mgt Sodium Absorption Ratio in Wat 10 9.60 9.46 10.4 0.03 mgt Sulfate 1,760 1,930 1,930 1,810 10 mgt TDS (calculated) 3,720 3,850 3,850 3,710 10 mgt TDS (ratio - measured /calculat 1.07 1.03 1.00 1.00 1. Negative() = less than 2. U. not detected at MDL (Minimum Detection Level) 3. H - Exceeded hold time 4. B = Analyte concentration detected at a value between MDL and PQL 5584 5583 5582 Water Elevation(ft) 5581 5580 5579 5578 GW_N45 Monitoring Well GW -N45 Current Water Year Data Oct -10 Nov -10 Dec -10 Jan -11 Feb -11 Mar -11 Apr -11 May -11 Jun -11 Jul -11 Aug -11 F: \Eng \DATA \ excel! \water\2011 /2011_ANUHYD