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Table`3-SK-3H STATISTICS <br />STATISTICAL ANALYSIS OF WATER QUALITY DATA <br />"~nitoring Well Number 3-SK-3H <br />,cation STORM KING <br />Geologic Unit Monitored WHEELER COAL <br />Ground Elevation (ft-amsl) 5900 <br />Date of Collection 04/05/82 06/21/82 09/20/82 12/21/82 03/18/83 <br /> No. of Mean Std. ~ Max. Min. <br /> SAMPLES DEV. <br />FIELD PARAMETERS 1 <br />Conductivity <br />(umhos/cm at 25 (C)) 10 1306.1 241.6 1720 901 <br />pH (units) 11 7.37 NA 7.86 7.09 <br />Water Temperature (C) 11 10.97 3.04 16.5 6.4 <br />LABORATORY PARAMETERS 1 <br />Alkalinity (as CaC03) 11 596.37 204.68 785 .1 <br />Aluminum 9 .14 .07 .3 .1 <br />Arsenic 8 .O1 0 .O1 .O1 <br />Barium 8 .38 .16 .7 .2 <br />Bicarbonate 11 783.13 85.38 1010 700 <br />Boron 9 .26 .18 .73 .14 <br />radium 9 .O1 0 .O1 .O1 <br />lcium 11 54.64 6.14 64 46 <br />carbonate 9 2.09 5.97 18 .1 <br />Chloride 11 8.12 2.9 14 4.3 <br />Chromium 9 .O1 0 .O1 .O1 <br />Conductivity <br />(umhos/cm at 25 (C)) 11 1551.82 139.34 1760 1360 <br />Copper 8 .3 .55 1.5 .O1 <br />Fluoride 9 .39 .1 .52 .15 <br />Hardness (as CaC03) 9 517.22 61.4 610 410 <br />Iron (dissolved) 9 .95 .82 2.5 .14 <br />Lead 8 .04 .06 .18 .O1 <br />Magnesium 11 102.09 21.81 145 69 <br />Manganese 9 .05 .03 .12 .O1 <br />Mercury (ug/1) 9 1 0 1 1 <br />Molybdenum 8 .1 0 .1 .1 <br />Nitrogen - Ammonia 9 1.94 .4 2.8 1.5 <br />Nitrate as N 10 .34 .39 1.1 .05 <br />pH (units) 10 7.52 NA 8.2 7.3 <br />Phosphate 9 1.12 2.04 6.7 .06 <br />Phosphorus 9 .55 .68 2.2 .02 <br />Potassium 9 10.38 4.06 18 4.8 <br />SAR (units) 9 3.97 .82 5.56 2.97 <br />Selenium 9 .O1 0 .O1 .O1 <br />Sodium 11 196.82 35.3 260 150 <br />Solids, Total Dissolved 11 1100 84.73 1270 970 <br />lfate 11 329.55 74.01 450 170 <br />cinc 9 .32 .44 1.3 .O1 <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 />