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t GRAPHIC BORING LOG PAGE _2_. OF 2 <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-27 <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> KRILLING CO West Hazmat TYPE OF RIG CME-$5 <br /> DRILLING METHOD/EQUIPMENT Hollow Stem Auger HOLE DIAMETER 10" <br /> ' DRIVE WEIGHT/HEIGHT OF DROP 140#(&30" REFERENCE OR DATUM Surface <br /> START DATE 9119/01 COMPLETION DATE 9/19/01 <br /> DESCRIPTION <br /> rxD- QQ <br /> ' <br /> h 2!LL o in.Q K Ho <br /> L41 ed H L1� <br /> E r Z -j F- +� w Ia Following Order LITHOLOGY cnlar,gr�4m size 4vrting angularity <br /> 4. w a W 0 � N L) OQ jx r- H� "¢ ffSSstls i pnclstency Wetiies$ <br /> 41Z Lu te00 4H0 -3w H ow Z-j> <br /> 1� <br /> 1`4 Lu W 47-3 OF 0 ,J c0A l'- 0 M :j 0 V!� <br /> ' 3S <br /> 40 21 225 0 1 39-40 5' SANDY SILT, brown, fine sand, saturated, no odor <br /> ' 35 <br /> 45 21 230 0 1 44-45 5' SANDY SILT, brown, fine sand, saturated, no odor <br /> 27 <br /> 32 <br /> 480 <br /> SM <br /> 20 49-50 5' SILTY SAND, brown, medium to fine sand, <br /> 5Q 20 2 35 0 0 m.51 0 saturated, no odor <br /> 30 ML <br /> 55 24 2 40 0 1 54-55 5' SANDY CLAYEY SILT, brown, medium to fine sand, <br /> 29 saturated, no odor <br /> 30 <br /> -580 <br /> SM <br /> 17 245 00 59-60 5' SILTY SAND, olive, tine, sand, saturated, no odor <br /> 60 21 <br /> 24 <br /> 21 2 50 0 0 64-65 5' SLIGHTLY SILTY SAND, olive, fine sand, saturated, <br /> 65 29 65 5 no odor <br /> 37 Total Depth 65 5' <br /> 70 <br /> NOTES 0-- <br /> 10--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 /> Times <br /> LOGGED BY BHM DATE 09/19/01 APPROVED BY BHM RG # 5649 <br />