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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-13 <br /> 837 Shaw Road, Stockton, CA 95215 TOTAL DEPTH 65'(209) 467-1006 FAX (209)467-1118 <br />' Project Sierra Lumber Manufacturers (Case #2) Date(s) Drilled 30 January 2006 <br /> Project No AGE-NC-04-1239 Page 2 of 3 <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> 1 <br /> -35 Not Sampled NM <br /> - <br /> 40— Not Sampled NM <br /> -4 5 MW 13-45 61717 NM rodar <br /> Dark gray,SANDY SILT saturated,sand is very <br />' rained and poorly graded,no hydrocarbon(HC) <br /> Dark gray,CLAYEY SILT,saturated,moderate <br /> plasticity,moderate consistency,moderate toughness, <br />' na HC odor <br /> MW 13-50 71818 NM ML Dark gray,CLAYEY SILT,saturated moderate <br /> -50 plasticity,moderate consistency,moderate toughness, <br />' no HC odor <br /> Bentonite chip seal from <br /> 51'to 53'bsg <br /> ' MW 13-55 717!9 NM ML Dark gray,CLAYEY SILT,saturated,moderate <br /> 55 plasticity,moderate consistency,moderate toughness, <br /> no HC odor 2"Diameter,Schedule <br /> ' SM Dark gray,SILTY SAND,saturated sand is 40 PVC with 0 020" <br /> fine-grained and poorly graded,no HC odor slotted screen <br /> ML Dark gray,CLAYEY SILT,saturated,moderate <br /> plasticity,moderate consistency,moderate toughness, <br /> ' no HC odor <br /> - <br /> 60— MW 13-60 6/717 NM #3 Lonestar sand fiiter <br /> pack from 53'to 65'bsg <br /> ' CL Dark gray-blue,SILTY CLAY,saturated,high <br /> JCL <br /> lasticity,high consistency,high toughness,no HC <br /> ' -65 <br /> MW 13-65 7l8/8 NMdor Cap at 65'bsg <br /> ' Dark gray-blue,SILTY CLAY,saturated,high <br /> 70 lasticity high consistency,high toughness,no HC <br />