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TRI/ENVMONMENTAL, INC. <br />it, 01 WILL A Texas Research Intenzational Company <br />Hydraulic Conductivity Ratio (HCR) Testing of Soil/Geotextile Systems <br />Client: Venture Resources <br />Project: HukillGuItch Millsite <br />Sample: Slimes Fraction With Colorado Lining 200 mil, 6 oz <br />Double-sided Geocomposite <br />• <br />• <br />Wch-aulic Conductivity vs. Pore Volumes <br />LE-03 <br />E <br />y LE-04 <br />0 <br />0 <br />1.E-OS <br />0 <br />0 <br />x <br />1.E-06 <br />0.0 0.5 1.0 1.5 <br />Pore Volumes (ml,) <br />Hydraulic Conductivity Ratio vs. Pore Volumes <br />1.5 <br />x <br />p; 1.0 <br />0 <br />v 0.5 <br />x <br />0.0 <br />0.0 0.5 1.0 1.5 <br />Pore Volumes (mL) <br />Note 1: The soil was air dried and passed through a No. 100 sieve. Soil <br />was remolded a target dry density of 85 % standard Proctor at +40/o wet <br />optimum moisture content or 92.7 lb/ft3 dry density at a moisture content <br />of 20.1 %. Specimens was prepared using Harvard compaction tamper of <br />0.5-in lifts with kneading compaction. <br />Note 2: A B-value of 0.95 was achieved. The effective confining pressure <br />was 69.4 psi (= 10,(X)0 psi) per test request. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> INITIAL VALUES <br />TRl Log#: E2337-21-10 <br />Test Method: ASTM D 5567 <br />Test Date: 04/22/10 <br />0.0 1. 00 3.1E-U6 <br />0.1 0.88 2.7E-06 <br />0.7 0.79 2.4E-06 <br />0.9 0.74 2.3E-06 <br />Ave. Kt at 20 de C: 2.31s06 <br /> <br />Sample height (in) 1.50 <br />Sample Diameter (in) 2.80 <br />Wet Weight (g) 274.2 <br />Sam le Area. niZ 6.16 <br />Sam le Area cm2 39.72 <br />Sample height (cm) 3.80 <br />Sample Volume (cc) 151.0 <br />Moisture content (%) 19.8 <br />Wet Density (pcf) 113.3 <br />Dry Density (pcf) 94.6 <br />Gs (assumed) 2.65 <br />Degree of Saturation (%) 70.1 <br />Void Ratio 0.75 <br />Porosity 0.43 <br />1 Pore Volume (cc) 64.6 <br /> <br />Time (hrs) Hydraulic <br />Conductivity <br />Ratio HCR. k at 20 deg C <br />(cm/sec) <br /> <br /> <br />0.2 0.80 2.5E-06 <br />0.3 0.84 2.6E-06 <br />0.3 0.79 2.4E-06 <br />0.4 0.67 2.1E-06 <br />0.5 0.67 2.1E-06 <br />0.7 0.70 2.2E-06 <br /> <br />0.8 0.76 2.4E-06 <br /> <br />1.0 0.74 2.3E-06 <br />1.2 0.76 2.4E-06 <br />1.3 0.77 2.4E-06 <br />1.4 0.77 2.4E-06 <br /> <br />1: Avg. corrected hydraulic conductivity (k20) is <br />obtained from the last 4 average readings. <br />Cheng-Wei. Chen, 05/18/10 <br />Quality Review/Date <br />Tested by: "famika Walker <br />The testing herein is based upon accepted industry practice as well as the test method listed. Test results reported herein do not apply <br />to samples other than those tested. TRI neither accepts responsibility for nor makes claim as to the final use and purpose ofthe material. <br />TRI observes and maintains client confidentiality. TRI limits reproduction ofthis report, except in full, without prior approval of'I'RI. <br />9063 Bee Caves Road ? At><stin, TX 78733-6201 . ? (512) 263-2101. ? (512) 263-2558 ? I-800-880-TEST