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Geo-Con <br />• INITIAL SLURRY <br />SLURRY TEST RESULTS <br />2!6/2007 <br />UvITIAI. SLURRY TEST RESULTS <br />TIME vlscosrrr tslcl <br />40 SEC MIN DENSITY (PCF) <br />>= 64 PCF FII.TRATE <br />r- 25 ml pR <br />6.5 to 10 COMMENTS <br />12:30 47 65 I5.5 8.5 <br />15:00 4b 65 <br />8:00 38 0 <br />10:00 42 0 <br />12:00 39 0 <br />14:00 39 0 <br />TRENCH SLURRY: <br />u <br />BACKFILL TEST RESULTS <br />SOIL-BENTONTTE BACKFILL TEST RESULTS <br />TIME STATION LAS <br />SAMPLE # SLUMP <br />3" to 6" UNTT <br />WE[GBT <br />CF <br />°A Pauiug <br />#200 Skve <br />Mobfurc <br />Cootcut <br />8:30 138+00 30 3" 11t 54.9% 46.0% <br />13:00 136+00 4" 115 <br /> 0 <br /> 0 <br />Note: Tne station for the back511 test is the station where it was placed. <br />DRY ADDITION CALCULATION <br />PC1100 <br />Trench <br />(cak:ulate from difference in <br />1. Backfdl Placed 12073.0 cu Tsai backfiN profiles) <br />Dry Weight of Soo in (use dry weight as <br />2. Backfill Volume 1267300 pounds measured in Iab test) <br />3. Jumbo Bags Added 5 each <br />• 4. Total Bentonite Added 15000 Ibs (3000 Ibs per bag) <br />5. % DRY ADDITION 1.2 % (_ # 4 / # 2) <br />TRENCH SLURRY TEST RESULTS <br />STATION <br />NUMBER VISCOSITY <br />(SEC) x40 <br />S C DENSITY (PCF) <br />IS PCF < Backfi9 COMMENTS <br />t36+20 90+ 87 <br />136+10 90+ 78 <br />136+20 90+ 111 <br />135+70 90+ 92 <br />135+30 90+ 109 <br />135+00 95 <br />134+20 91 <br /> 0 <br />Page 1 011 <br />