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Advanced <br /> BORING LOG <br /> GeoEnvironmental Inc. <br /> ' BOREHOLE NO.: EW1 <br /> 837 Shaw Road, Stockton,.CA 95215 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH: 36 feet- <br /> Project: JIMCO TRUCK PLAZA Drilling Co.: West Haz Mat <br /> Site Location: 22502',SOUTH HIGHWAY 99 Rig/Auger T e: CME-75/Sinch <br /> _ YP hollow stern <br /> RIPON, CALIFORNIA <br /> Logged By: W. LITTLE <br /> Reviewed By: C. Lee <br /> Project No.: AGE-NC-98-0433 <br /> 'Date(s) Drilled: 09 May 2002 <br /> Notes: completed as extraction well EWl s Water level during drilling <br /> Page 1 of 1 <br /> water encountered at 20 feet bsg I m Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well' <br /> i ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> r I <br /> { 0 <br /> f <br /> -5 <br /> -10 Cement grout seal from <br /> .5'to 20'bsg. <br /> -15 I Bentonite seal from I <br /> 13.5'to 14.5' bsg. <br /> -2 0SP:POORLY GRADED SAND,70%fine sand, <br /> 30%coarse/medium sand,gray,damp to saturated,strong #3 sand from 14.5'to <br /> hydrocarbon(HC)odor.. 36'bse. <br /> -2 5 SP:POORLY GRADED SAND,70%fine sand, <br /> 301/koarse/medium sand,gray,damp to saturated,strong <br /> HC odor. <br /> -30— SP:POORLY GRADED SAND,70%fine sand, <br /> 300/ocoarse/medium sand,reddish-brown,saturated,no <br /> HC odor. <br /> Screened interval from <br /> -35 ___::4 NII.:SILT,with clay,brown,damp,low toughness and 16'to 36'bsg. <br /> —= medium plasticity,no HC odor. <br />