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w , Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> BOREHOLE NO MW-21 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 70' <br /> Project Geweke Date(s) Drdfed 13 Apn12004 <br /> Project No AGE-NC-95-0109 Page 2 of 2 <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID (per 6"j {ppm) Symbol Soil Description Completion Description <br /> SM Gray brown,damp,fine SAND,powdery<10% pz <br /> -35 MW21-35 18/25/35 0 — = fines,soft,no HC odor <br /> Cement grout seal from <br /> 5'to 46'bsg <br /> -40— ML Green tan with oxidation stains,damp,CLAYEY <br /> MW21-40 15/23/30 0 SILT,visible micas,crumbly,no HC odor <br /> ML Green blue,very moist,SANDY SILT, 15%sand, <br /> -45 MW21-45 17/25/31 0 no HC odor <br /> Bentanite seal from 46' <br /> to 48' bsg <br /> SP Red yellow brown with oxidation stains,moist, <br /> -5 0 MW21-50 17/18/27 0 SAND,10%fines,no HC odor <br /> -55— <br /> 5 5 SW Red brown and gray,damp,well graded SAND, #3 sand from 48'to 70' <br /> MW21-55 20/25/33 0 Q trace gravel,no HC odor bsg <br /> ML dark red brown with black stains,moist to damp, EE <br /> -60 MW21-60 15/23/30 0 SILT,5%sand,soft,no EIC odor <br /> 0 020 screened interval <br /> from 50'to 70'bsg <br /> i <br /> SM Red brown,saturated,SILTY SAND,15-20%silt, <br /> 65 MW21-65 14/17/27 0 — = trace gravel,no HC odor <br /> SP Gray brown,saturated,medium SAND,some fine <br /> sand,no HC odor <br /> -70 Cap at 70' <br />