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Vector Engineering, Inc. <br />143E Spring Hill Drive, Grass Valley, CA 95945 (530) 272-2448 <br />LABORATORY SERVICES <br />HYDRAULIC CONDUCTIVITY <br />REPORT <br />ent i Nroiect Name: Proiect No: <br />Forward Inc./Forward LF Stage 1A Closure 021605.06 <br />lrrpte IV: <br />P-18 <br />1.E-06 <br />U <br />N <br />U <br />Y <br />.j <br />1.E-07 <br />a <br />c <br />0 <br />U <br />U <br />a <br />1.E-08 <br />0 <br />Hydraulic Conductivity vs Time <br />Report Date: <br />October 25, 2005 <br />10 20 <br />30 40 50 60 70 <br />Time, Hrs <br />SAMPLE ID: <br />P-18 <br />5 psi <br />DESCRIPTION: <br />5 - 14 <br />IN/OUT RATIO: <br />1.00 <br />INITIAL <br />FINAL <br />HEIGHT, in. <br />2.6 <br />2.6 <br />DIAMETER, in. <br />2.4 <br />2.4 <br />WATER CONTENT, % <br />20.1 <br />22.8 <br />DRY DENSITY, pcf <br />103 <br />102 <br />SATURATION, % <br />85 <br />95 <br />(Specific Gravity assumed as 2.7) <br />5 72.3 <br />1.4E-07 <br />MAXIMUM DRY DENSITY, pcf <br />7.6E-07 <br />SPECIFICATION: <br />OPTIMUM WATER CONTENT, <br />SPECIFIED COMPACTION, <br />ACHIEVED COMPACTION, <br />COMMENTS: <br />Tap water used as permeant <br />0 <br />ASTM D-5084, Method C <br />EFFECTIVE STRESS: <br />5 psi <br />GRADIENT RANGE: <br />5 - 14 <br />IN/OUT RATIO: <br />1.00 <br />"B" PARAMETER: <br />0.95 <br />HYDRAULIC <br />TRIAL TIME <br />CONDUCTIVITY <br />nos. hrs. <br />cm / sec <br />1 1.1 <br />2.5E-07 <br />2 3.4 <br />1.8E-07 <br />3 4.8 <br />1.7E-07 <br />4 25.4 <br />1.6E-07 <br />5 72.3 <br />1.4E-07 <br />AVERAGE LAST 4 : <br />7.6E-07 <br />SPECIFICATION: <br />NA <br />These results apply only to the above listed samples. The data and information are proprietary and can not be released without authorization of Vector Engineering Inc. <br />By accepting the data and results represented on this page, client agrees to limit the liability of Vector Engineering, Inc. from Client and all other parties claims arising out of the use of <br />this data to the cost for the respective test(s) represented here, and Client agi ees to indemnify and hold harmless Vector from and against all liability in excess of the aforementioned limit. <br />L : i.abexcel I Projects 12002 i 021605 + 1669A-Ixk Print ate' evieWed By^ 1 .SN <br />rIrr! (-k: GT64PH (rev 11 10 04 1 ?10£3%U / 7M- 1 669A <br />