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Advanced BORING LOG <br /> GeoEnvironmental, Inc, BOREHOLE NO EW-1 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> \ (209)467-1006 FAX (209) 467.1118 TOTAL DEPTH 65' <br /> 1 Project California Fuels Cardlock Station Drilling Co Mitchell Drilling <br /> Site Location 2402 Pacific Avenue Rig/Auger Type CME-75115-inch HS augers <br />' Stockton Logged By T Cuellar <br /> California Reviewed By C Lee <br /> Project No AGE-NC-95-0173 <br /> Date(s) Drilled 20 January 2003 <br /> Notes Total depth of boring EW-I equal to 65 feet bsg,boring 4 Water level during drilling Page 1 of 2 <br /> completed as 6-inch diameter ground water extraction well m Water level in completed well <br /> Sample Blows PID Sod USCS Class and <br />' Depth ID (per 6') (ppm) Symbol Sod Description <br /> 0 - <br /> _5 NO SAMPLE No samples collected <br /> - <br /> 10— NO SAMPLE No samples collected <br /> I <br /> -15] EW 1-15 14/17/20 177 ML Dark brown,damp,very stiff,clayey SILT w/sand, 60%fines&40%fine sana <br /> 11 Moderate solvent-like petroleum odor <br /> 1 -20 EW 1-20 I0/14/21 749 ML Brown,moist,very stiff,clavey SILT w/sand 70%fines&30%fine sand Intense <br /> petroleum odor <br /> t -25 , ML Brown,moist,ver stiff clayey SILT w/sand,70%fines&30%fine sand Intense <br /> EW1-25 9/14/20 288 y y y <br /> petroleum odor <br />' -30 <br /> = EW1-30 5130112 486clayey ML Brown,moist,stiff, SILT w/sand, 70%fines&30%fine sand Intense <br /> petroleum odor(aged) <br /> -35 EW 1-35 7/11/14 695 ML Brown,very moist,very stiff,clayey SILT w/sand,60%fines&40%fine sand <br />' Intense petroleum odor <br /> -40— EW 1-40 7/11/29 500 ML Brown w/some gray,saturated,very stiff,SILT w/tine sand,80%fines&20%sand <br />' Intense petroleum odor <br /> 45— EW 1-45 7126123 425 — SM Gray/green,saturated,dense, fine SAND w/fines, 80%sand&20%fines Intense <br />' petroleum odor <br />' -50 EW1-50 10/28/28 251 ML Mottled brown/gray,very moist,hard,clayey SILT,no visible sand Moderate <br /> petroleum odor <br /> I � <br />