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• <br />• <br />Knight he'sold Constant Head Permeability <br />C O N S U L T I N G USBR 5605, Amended <br />Project Whirlwind Mine Project No. DV 108-49.3 <br />Lab No. Date of Test 1/10 - 3114108 <br />Sample No. Large Core Tested By jdb <br />Location Sandstone Checked By SPB <br /> Specimen Data <br />Target Dry Density, pcf NA Wet Sample Wt. + Tare, lbs. 18.082 <br />Target Density, t/m3 NA Tare, lbs. 0.000 <br />Moisture Content, % 4.6 Wet Sample Wt., lbs. 18.082 <br />Specimen Diameter, in. 7.68 Sample Length, in. 4.697 <br />Specimen Area, in.2 46.34 Sample Volume, in.3 217.6 <br />Specimen Area, ft2 0.3218 Sample Volume, ft3 0.1260 <br />Depth to Mold Bottom, in. 8.600 Wet Density, pcf 143.6 <br /> Initial Depth to Plate, in. 3.903 <br />Normal Stress Range, psf 0 <br /> Permeability Trial Data <br />Normal Stress, psf 0 Head, cm 25.1 <br />Avg. Depth to Plate, in. 3.903 Consolidated Length, in. 4.697 Wet Density, pcf 143.6 <br />Trial Q Time Flow Permeability <br />No. cc sec cc/sec k, cm/sec <br />1 54.4 78780.0 0.0 1.1 E-06 <br />2 31.7 19100.0 0.0 2.6E-06 <br />3 68.0 70860.0 0.0 1.5E-06 <br />4 18.1 17460.0 0.0 1.6E-06 <br />5 54.4 60000.0 0.0 1.4E-06 <br />Averages 0.001 1.7E-06 <br />General Notes: <br />1) Tap water was used as permeant. <br />2) A bentonite seal was placed at the anulus to minimize transmissivity. <br />• <br />Copy of Sandstone Cores REV 1 Knight Piesold and Co. <br />3/21/2008