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<br />Table SK-3.75 STATISTICS <br />CTAT'ISTICAL ANALYSIS OF WATER QUALITY DATA <br />~nitoring Well Number SK-3.75 <br />cation STORM KING <br />Geologic Unit Monitored WHEELER COAL <br />Ground Elevation (ft-amsl) 7200 <br />Date of Collection 10/27/83 01/24/84 03/27/84 06/18/84 08/22/85 <br /> No. of Mean Std. ~ Max. Min. <br /> SAMPLES DEV. <br />FIELD PARAMETERS 1 <br />Conductivity <br />(umhos/cm at 25 (C)) 7 743.57 99.57 855 555 <br />pH (units) 6 8.89 NA 9.59 8.6 <br />Water Temperature (C) 6 11.22 1.21 13 10 <br />LABORATORY PARAMETERS 1 <br />Alkalinity (as CaC03) 7 452.86 12.86 480 440 <br />Aluminum 4 .2 .12 .3 .1 <br />Arsenic 4 .O1 0 .O1 .O1 <br />Barium 3 .1 0 .1 .1 <br />Bicarbonate 7 466.57 82.15 548 335 <br />Boron 4 .71 .46 1.4 .46 <br />"+dium 4 .O1 0 .O1 .O1 <br />lcium 7 11.5 14.69 44 1.6 <br />Carbonate 4 67.75 22.77 100 49 <br />Chloride 7 8.4 8.76 27 1 <br />Chromium 4 .O1 0 .O1 .O1 <br />Conductivity <br />(umhos/cm at 25 (C)) 7 787.86 35.69 840 745 <br />Copper 4 .06 .06 .14 .O1 <br />Fluoride 6 1.23 .15 1.4 1.1 <br />Hardness (as CaC03) 4 91.5 19.87 210 36 <br />Iron (dissolved) 4 7.28 6.86 16 1.4 <br />Lead 4 .09 .15 .31 .O1 <br />Magnesium 7 8.9 1.9 25 1 <br />Manganese 4 .09 .06 .16 .04 <br />Mercury (ug/1) 4 1 0 1 1 <br />Molybdenum 4 .1 0 .1 .1 <br />Nitrogen - Ammonia 4 6.84 10.12 22 .97 <br />Nitrate as N 7 .14 .12 .4 .OS <br />pH (units) 5 9 NA 9.8 8.5 <br />Phosphate 4 .31 .26 .61 .06 <br />Phosphorus 4 .06 .06 .14 .02 <br />Potassium 3 11.8 2.99 14 8.4 <br />SAR (units) 4 9.48 3.52 13.47 4.9 <br />Selenium 4 .O1 0 .O1 .O1 <br />Sodium 7 172.86 9.51 185 160 <br />solids, Total Dissolved 7 497.86 70.17 610 400 <br />lfate 7 18.76 25.41 71 1 <br />Zinc 4 .16 .OS .24 .07 <br />1 All measurements are in milligrams per liter (mg/1) unless otherwise noted. <br />2 Negative acidity indicates that the water is alkaline. <br />