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GRAPHIC BORING LOG PAGE _ OF <br /> ' CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-8D <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> DRILLING CO West Hazmat TYPE OF RIG CME-85 <br /> ILLING METHOD/EQUIPMENT Hollow Stem Auger HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140#030" REFERENCE OR DATUM Surface <br /> START DATE 9/20/01 COMPLETION DATE 9/20/01 <br /> DESCRIPTION <br /> 010 -Z <br /> � 7 <br /> La a H � z W <br /> 2� a. F 0 +-4 0 W 0 Id F0116rwtn Order LITHOLOGY color riim size 8ornn angularEty, <br /> d•�t EL W 4 � w ,�� W i;n t- - g � �. <br /> t1 W a W W r- N U o ie H¢ H a W iii fossils c*nslmmy wetness <br /> WSW n!00 ¢ HC i1w H ow ZJ?- <br />' 75 18/24 9 50 146 74-75 5' SANDY SILT, olive, fine sand, saturated, faint odor <br /> /32 <br />' 24/29 79-80 5' SANDY SILT olive fine sand sat <br /> g0 /35 9 55 6 8 saturated, no odor <br /> 83 0 <br /> CL <br /> 5 50 1000 03 84-85 5' SILTY CLAY, olive, stiff, saturated, no odor <br /> 611 <br /> 88 0 <br />' ML <br /> 90 32'`8 1005 1 1 89 90 5' SANDY SILT, olive, fine sand, no odor <br /> 50 I0 10 0 6 90 5-92' SANDY SILT, olive, less fine sand, no odor <br />' S0 <br /> 10 15 0 1 92-93 5' CLAYEY SILT, olive, saturated, no odor <br /> 95 12114 10 20 06 94-95 5' SILT, olive, saturated, no odor <br /> /20 <br />' 14/16 10 25 04 960 95 5-97' SILT,olive, saturated, no odor to 96' SILTY SAND, <br /> 121 SM 970 olive, fine sand, saturated, no odor to 97' <br /> 24/29 10 30 0 1 ML 98 5 97-98 5' SILT, olive, saturated, no odor <br /> 21/26 10 35 0 1 SP 99-100 5' SAND, tan to light brown fine sand saturated, no <br />' 100 /31 odor ' <br /> 22/29 1040 0 3 100 5-102' SAND, tan to light brown, fine sand, saturated, no <br /> 133 <br /> 1020 odor <br /> 3525 1045 0 1 ML 103 5 102-103 5' SILT, olive, saturated, no odor <br /> 105 <br /> Total depth 107' <br /> NOTES <br /> NR=No Recovery <br />' 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 /> Time <br /> LOGGED BY BHM DATE 09/20/01 APPROVED BY BHM RG # 5649 <br /> 1 <br />