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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.MW-11 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> Telephone (209)467-1006 Fax(209)467-1118 TOTAL DEPTH: S51 <br /> Project: Stockton Warehousing and Ind.Center,LL Tilling Co.: Mitchell Drilling <br /> Site Location: 4696 East Waterloo Road Rig/Auger Type: CME 75 -8"Hollow Stem Auger <br /> Stockton,CA Logged By: ALC <br /> Reviewed By: WRL <br /> Project No.: AGE-NC-95-0104 Dates Drilled: 10 March 2008 <br /> Notes: Begin soil sampling at 15 feet bsg.Completed as off-site a Water level during drilling Page 1 of 2 <br /> monitoring well located at 4716 E.Waterloo Rd. = Water level in completed well <br /> Depth Sample Blows L USCS Class and Well Well <br /> ID (per 6") J(PID) <br /> ppmSoil Description Completion Description <br /> 0 Well cover cristy box <br /> -5 <br /> Cement grout seal from <br /> .5 to 69 bsg. <br /> —10 <br /> 8"Boring diameter <br /> ML:Brown SILT:low plasticity and toughness,damp, <br /> —15 MWI 1-15 10-21-23 0 no hydrocarbon(HC)odor. <br /> 2"Casing diameter <br /> ML:Brown SANDY SILT:low plasticity and <br /> —20 MW 11-20 14-17-21 0 toughness,approximately 35%fine grain,poorly graded <br /> sand,damp,no HC odor. 020"slot size <br /> SM:Brown SILTY SAND:approximately 45%silt,fine <br /> —25 MWI1-25 10-15-24 0 grain,poorly graded sand,moist,no HC odor. <br /> ML:Brown SANDY SILT:low plasticity and <br /> —30 MW 11-30 13-24-29 0 toughness,approximately 30%fine grain,poorly graded <br /> sand,damp,no HC odor. <br /> CL:Brown CLAY:low toughness,moderate plasticity, <br /> —35 MW 11-35 10-17-20 0 damp,no HC odor. <br /> CL:Brown CLAY:low toughness,moderate plasticity, <br /> —A MW l 1-40 11-14-20 0 damp,no HC odor. <br />