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I GRAPHIC BORING LOG PAGE -j- OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-23S/D <br /> SITE LOCATION 5606 Pacific Avenue, Stockton, California <br /> WRRILLING CO V & W Drilling TYPE OF RIG Hobart Louyear B-81 <br /> ILLING METHOD/EQUIPMENT HSA HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140#030" REFERENCE OR DATUM Surface <br /> START DATE 2120101 COMPLETION DATE 2121101 <br /> DESCRIPTION <br /> SI.- o 0: n- 0 <br /> Hto wriaH ti H �� W1-i� <br /> x F- X z -j N 0 rt H 0 W r.) In FoRow4ng QrdOr LITI-IOLQGY "R?r, grain size sQrting angulartty <br /> tL W C re iD r- N U C>r r H H d Q) U1 fossils, C(insisrancy wettieSS <br /> WZW tKWq < Hd j I H btyt ? <br /> U i-i W Lo m_j fn rA.a tri 0- }— Vl 1W1 :Z;3CJ v1] <br /> 0 ML 0-4" Concrete <br /> 5 5 1020 1 9 4-5 5' SLIGHTLY SANDY SILT, brown, very fine sand, slightly <br /> 12 moist, no odor <br /> 23 <br /> 10 12 1030 1 4 9-10 5' SLIGHTLY SANDY SILT, rust, very fine sand, slightly <br /> 32 moist, no odor <br /> 34 <br /> 15 15 1040 1 4 14-15 5' SLIGHTLY SANDY SILT, brown, very fine sand, <br /> 35 moist, no odor <br /> 50 <br /> 20 S 1045 1 1 19-20 5' SLIGHTLY SANDY SILT brown, very fine sand, <br /> 13 moist, no odor <br /> 25 <br /> 25 101050 0 8 24-25 5' SLIGHTLY SANDY SILT, brown, very fine sand, <br /> 22 moist, no odor <br /> 33 <br /> 30 S 10 55 14 29-30 5' SLIGHTLY SANDY SILT, brown to olive, very tine <br /> 12 sand, very moist, no odor <br /> 19 <br /> 33 0 <br /> SM <br /> 35 5 1, 00 1 1 34-35 5' SILTY SAND, brown fine sand saturated no odor <br /> s <br /> Conttnued Next Page <br /> NOTES <br /> ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location <br /> SIndicated Subsurface Conditions May Differ at Other Locations and <br /> Times <br /> LOGGED BY BHM DATE 02/20/01 APPROVED BY BHM RG # 5649 <br />