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Advanced BORING LOG <br /> � B® <br /> GeoEnvironmental, Inc. BOREHOLE NO PB-20 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 45 FEET <br /> IProject Proposed ELDORADO APTS Drilling Co Enviroprobe <br /> Site Location 2450 South El Dorado Street Rig/Auger Type Geoprobe 5400/ 1 25" rods <br /> IStockton, California Logged By P Dotson <br /> Reviewed By C Lee <br /> Project No AGE-NC-04-1129 <br /> Date(s) Drilled 12 May 2003 <br /> Notes No samples were collected from surface grade to 23 feet bsg s Water level during drilling Page 1 of 1 <br /> Ito surface grade with Portland cement s Water level in completed well <br /> Sample Blows PID Sod USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> I 4 <br /> -5 <br />' 10- <br /> 15- <br /> -20 <br /> 0x5-20 <br /> ML-CL Medium yellowish brown,SILTY CLAY,dry,slight petroleum <br /> hydrocarbon-like(HQ odor, 100%recovery <br /> -25— PB20-25 --- 0 <br /> I <br /> SP Medium yellowish brown,POORLY GRADED SAND,medium to coarse sand,dry, <br />' - <br /> 30— --- slight HC-like odor,85%recovery <br /> PB20-30 0 <br />' CL Grayish brown,LEAN CLAY, some silt,damp to moist,no SIC odor,90%recovery <br /> -35 PB20-35 -- 0 <br />' ML Medium yellowish brown,SILT,some clay,saturated,no HC odor,90%recovery <br /> -40— PB20-40 --- 0 <br />' - ML-CL Bluish gray,SILTY LEAN CLAY,moist,no HC odor,75%recovery <br />' 45— PB20-45 --- 0 <br />