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' GRAPHIC BORING LOG PAGE _I OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-9 <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> RILLING CO West Hazmat TYPE OF RIG CME-85 <br /> ' DRILLING METHOD/EQUIPMENT Hollow Stem,Auger HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140(&30" REFERENCE OR DATUM Surface <br /> START DATE 9/19/01 COMPLETION DATE 9/19/01 <br /> U1 3 <br /> DESCRIPTION <br /> ix 0.. 0 Q <br /> 3� X O 0 4} <br /> H Ce tiJ nil M <br /> N f 3 0 w-0 In Fnt]owmg Order LITI-IOLOOY color, grain size sorting, Wigulartty <br /> Q- w W 0 � P4 v Q zx r M� H a(4 wetness <br /> wZ'w WOO 4: 1--j0 _jw w out z�� <br /> t 1 l t k LO 41 j frS f/f ,I rp�1h-- 4h Rr 0 to � <br /> 0 ML 0-6" Asphalt <br /> ' S 11 9 15 00 4-5 5' SILT, rust, moist, no odor <br /> 21 <br /> 10 15 920 00 9-10 5' CLAYEY SILT, rust, moist, no odor <br /> 21 <br /> 28 <br /> 15 29 925 0 1 14-15 5' SILT, rust, moist, no odor <br /> 39 <br /> 50 <br /> 20 31 930 0 1 19-20 5' SLIGHTLY SANDY CLAYEY SILT, tan, moist, no <br /> 39 Odor <br />' 19 24-25 5' SLIGHTLY SANDY CLAY <br /> 25 24 9 35 0 0 odor EY SILT, tan, moist, no <br />' 29 <br /> 30 21 940 0 1 29-30 5' VERY SANDY SILT, rust to olive, very fine sand, <br /> 27 moist, no odor <br /> s <br /> SM 33 0 <br /> 3517 945 02 34-35 5' SILTY SAND, olive, fine sand, saturated, no odor <br /> f 23 <br /> Continued Next Pcr e <br /> NOTES <br /> 1 ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> Tunes <br /> LOGGED BY BHM DATE 09/19/01 APPROVED BY BHM RG # 5649 <br />