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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 /> DRILLING CO V & W Drilling _ TYPE OF RIG Hobart Lon ear B-81 <br /> DRILLING METHOD/EQUIPMENT HSA HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP 140# 30" REFERENCE OR DATUM Surface <br /> START DATE 2/20/01 COMPLETION DATE 2/21/01 <br /> a <br /> DESCRIPTION <br /> zs x o W0 <br /> Z :0 0. <br /> H 0 tU w5 H W� LO-9 <br /> � <br /> r x Z -i i-- 0 H 0 w t, IFA Fplknwin Order~ LITHOL�IGY,c olht ripo size suiting at3igularity ' <br /> H a.133 tt: a W '4 a U-rn F - g € <br /> 0. W rt it k3 Z iv a t?>x �;: H 4 H¢c�t� £C3bSils,3 nyryt>It�y rf etite55 <br /> i-f 14 to .i U3 of _I m Lt. i— u3 iX :;1 V W=k <br /> 0 <br /> ML 0-4" Concrete <br /> 5 5 10 20 1 9 4-5 5' SLIGHTLY SANDY SILT, brown, very fine sand, slightly <br /> 12 moist, no odor <br /> 23 <br /> - 1p 32 10 30 1 4 3-10 5' SLIGHTLY SANDY SILT, rust, very fine sand;slightly , <br /> moist, no odor <br /> 34 <br /> - 1 <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 $ 10 45 1 1 19-20 5' SLIGHTLY SANDY SILT, brown, very fine sand, <br /> 13 moist, no odor ' <br /> 25 10 1050 0 8 24-25 5' SLIGHTLY SANDY SILT, brown, very fine sand, <br /> 22 moist, no odor <br /> 33 <br /> $ 10 55 -1 4 - -� 29-30 5' SLIGHTLY SANDY SILT, brown to-olive,-very tine <br /> 30 12 sand, very moist, no odor <br /> 19 <br /> 33 0 <br /> SM <br /> 35 5 1100 1 1 34-35 5' SILTY SAND, brown, fine sand, saturated, no odor <br /> 8 <br /> Continued Next Page <br /> NOTES <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 /> Times <br /> LOGGED BY BHM DATE 02/20/01 APPROVED BY BHM RG # 5649 <br />