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Advanced BORING LOO <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 /> i <br /> Project: JIMCO TRUCK PLAZA Drilling Co.: West Haz Mat <br /> Site Location: 22502 SOUTH HIGHWAY 99 Rig/Auger Type: CME-75/8inch hollow stem <br /> RIPON, CALIFORNIA Logged By: W. LITTLE <br /> Reviewed By: C. Lee <br /> Project No.: AGE-NC-98-0433 Date(s) Drilled: 09 May 2002 <br /> Notes: completed as extraction well EW1 s Water level during drilling Page 1 of 1 <br /> water encountered at 20 feet bsg Water'level in completed well <br /> Depth I Sample Blows PID Soil USCS Class and Well, Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> I <br /> 1 -5 <br /> -10 Cement grout seal from <br /> .5'to 20'bsg. <br /> -15 Bentonite seal from I <br /> 13.5'to 14.5' bsg. <br /> _ <br /> 20 SP:POORLY GRADED SAND,70%fine sand, <br /> 30°/acoarse/medium sand,gray,damp to saturated,strong #13 sand from 14.5'to <br /> hydrocarbon(HC)odor.. 36'bsg <br /> -25 SP:POORLY GRADED SAND,70%fine sand, <br /> 30%coarse/medium sand,gray,damp to saturated,strong <br /> HC odor. <br /> i <br /> -30— <br /> SP:POORLY GRADED SAND,70%fine sand, <br /> 30%coarse/medium sand,reddish-brown,saturated,no <br /> HC odor. <br /> Screened interval from <br /> -3S =— ice:SILT,with clay,brown,damp,low toughness and 16'to 36'bsg. <br /> —— medium plasticity,no HC odor. <br />