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" Advanced BORING LOG <br /> GeoEnviron mental, Inc. BOREHOLE NO OW-1 <br /> 7 - 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 701 <br /> Project Geweke Date(s) Drilled 12 Apn1 2004 <br /> Project No AGE-NC-95-0109 Page 2 of 2 <br /> Depth Sample Blows FID Sail USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> SP Gray brown,oxidation stains,damp,very fine <br /> -35 OWl-35 8/14/20 0 SAND,powdery,so13,no HC odor <br /> Cement grout seal from <br /> Y to 62'bsg <br /> ML Tan brown,damp,CLAYEY SILT,crumbly,no <br /> -40 OWl-40 8112/18 0 HC odor <br /> _ SM Light brown and tan with oxidation stains,damp, <br /> -45 OWI-45 6/10/18 0 — SILTY SAND,trace gravel,no HC odor <br /> SM Gray green brown with cemented pieces,damp, <br /> -50— owl-50 16/23/26 0 SILTY SAND, 15-20%fines,fine to medium sand,no Cement grout seal from <br /> HC odor 5'to 62'bsg <br /> SP Yellow brown,damp,medium to coarse SAND, <br /> -55— OWI-55 11/25/21 0 trace gravel,no HC odor <br /> SM Orange brown,saturated to very moist,SILTY <br /> -60— OWI-60 9/16127 0 — = SAND,25%silt,firm but crumbles,no HC odor <br /> Bentonite seal from 62' <br /> SP Yellow gray brown,saturated,SAND,fine to to 66' bsg <br /> -65— OWl-65 18/19/23 0 medium sand,some coarse sand,no HC odor <br /> #3 sand from 66'to 70' <br /> bsg <br /> SP Gray brown,saturated,medium to coarse SAND, <br /> no fines,no HC odor 30"screen <br /> -70 OWI-70 5/10/25 0 <br />