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Advanced <br /> BORING LOG <br /> GeoEnvironmental; Inc. 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 Type CME-75/8rnch hollow stem <br />' RIPON, CALIFORNIA Logged By W LITTLE <br /> Reviewed By C Lee <br />' Project No AGE-NC-98-0433 A <br /> Date(s) Drilled 09 May 2002 <br /> Notes completed as extraction well EW1 sz Water level during drilling Page 1 of 1 <br />' water encountered at 20 feet bsg iv Water level in completed well <br /> Sample Blows PID Sod USCS Class and Well Well <br /> Depth <br />' ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> I <br /> -5 <br /> I <br /> 0 Cement grout seal from <br /> 5'to 20'bsg <br /> - 5 Bentonite seal firm <br />' 13 5'to 14 5' bsg <br />' - <br /> 20 SP #3 sand from 14 5'to <br /> POORLY GRADED SAND,70%fine sand, <br /> 30%ocoarse/medium sand,gray,damp to saturated,strong <br /> hydrocarbon(HC)odor 36'bsg <br /> _ <br /> 25 SP POORLY GRADED SAND,70%fine sand, <br /> 301/1coarse/medium sand,gray,damp to saturated,strong <br /> HC odor <br /> - <br /> 30— <br /> SP POORLY GRADED SAND,70%fine sand, <br /> 30%ooarse/medium sand,reddish-brown,saturated,no <br /> HC odor <br /> —— Screened interval from <br /> _35— ML SILT,with clay,brown,damp,low toughness and 16'to 36'bsg. <br /> _— medium plasticity,no HC odor <br />