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1 _ GRAPHIC BORING LOG PAGE I OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-27 <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> DRILLING CO West Hazmat TYPE OF RIG CME-85 <br /> RILLING 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 9/19101 <br /> a H° DESCRIPTION <br /> z <br /> 10 HH U a� Wk4 ; <br /> Ho LU 2 >w <br /> H T y -i i� "� H jo w� In F6116wing Ordor LITF OLOiGY,color,grim size sorting angularity <br /> 4 W Q w 0 G N U 0# 3W. H 4T H�ti bt fps.50s,'co4t5isnnLy,We;wess <br /> W Z W W 4 O < ti d -3 iii H d tit Z,J?- - <br /> 0 <br /> ML 0-5" Asphalt <br /> ' S 17 1 50 0 1 4-5 5' SLIGHTLY CLAYEY SILT, rust, slightly moist, no odor <br /> 21 <br /> 30 <br /> 10 I 19 1 55 02 9-10 5' SLIGHTLY CLAYEY SILT, rust, slightly moist, no odor <br /> 25 <br /> 32 <br /> 15 27 200 0 1 14-15 5' SILT, rust, moist, no odor <br /> 30 <br /> 34 <br /> 19 205 0 1 19-20 5' SILT, rust to tan, moist, no odor <br /> 20 27 <br /> 34 <br /> 18 2 10 0 1 24-25 5' SILT, rust to tan, moist, no odor <br /> 25 29 <br />' as <br /> 280 <br /> SM <br /> 30 23 2 15 00 29-30 5' SANDY SILT, rust to tan, moist, no odor <br /> 40 <br /> 320 <br /> ML <br /> 35 ;g 2 20 00 34-35 5' CLAYEY SILT, rust to tan, very moist, no odor <br /> 1 <br /> Continued Next Pa e <br /> NOTES <br />' ENVIRONMENTAL AUDIT, INC NOTE Tuts Boring Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> rimes <br />' LOGGED BY BHM DATE 09/19/01 APPROVED BY BHM RG # 5649 <br />