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PROJECT: POMBO PROPERTY <br /> Tracy, California Log of Boring No. GMX-29 <br /> ELEVATION AND DATUM: <br /> BORING LOCATION: 1755 West 11th Street Not surveyed; datum is ground surface _ <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> ' 10/12/00 ' 10112/00 <br /> TOTAL DEPTH If.): MEASURING POINT: <br /> DRILLING METHOD: Direct push 21,0 Ground surface <br /> DEPTH TO WATER(R.)' FIRST COMPL <br /> DRILLING EQUIPMENT: XD-3 17.0 NA <br /> SAMPLING METHOD: EnvlrOCore sampling system 13'X 1 518"1 I LOGGED BY: <br /> i T. Loar <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: REG.NO. <br /> G. Foote i 5044 <br /> I SAMPLES (7 DESCRIPTION - ! - <br /> r 3 ^ NAME USCS: cola,moist,%b wL,plast.den REMARKS <br /> 0 a o o a ( ) Y saY.atnrGure, j <br /> w E 6 E o 0 « cementation,reap.wMCI.Seo.inter j <br /> O` NZ N 01y R <br /> Surface Elevation: Not surveyed <br /> j 0 SANDY SILT(ML): very dark grayish brown (10YR 3/2), i- <br /> j moist,70%fines,3D%fine sand,rwnptasfic,trace rounded 1 OVM=Thermo <br /> l� coarse sand, abundant rootlets,(FILL) �_j <br /> Environmental <br /> 0 Instruments Model 5808 <br /> 2 ! PID,calibrated with 100 <br /> PPM isobutelyne standard. <br /> 0 trace angular gravel <br /> 3 - <br /> 0 Sample interval 01 to 1.5' <br /> 4 ASPHALTIC CONCRETE:Old B con Road tlee weathered - bgs collected with split <br /> AGGREGATE BASEROCK _ spoon drive sampler. <br /> 5- LEAN CLAY with SAND(CL): dark yellowish brown (10YR )- <br /> 0 3/4),moist,85%fines, 15%fine sand, medium plasticity,firm <br /> 61 <br /> 7- dark greenish gray(5GY 371),moist,hydrocarbon staining and - <br /> 202 odor <br /> 8- I- <br /> 197 <br /> 9 - <br /> 10 <br /> 257 <br /> product globuler noted in microfractures and in small pockets <br /> 11 j <br /> i <br /> 75a <br /> 12 _ <br /> soft <br /> 667 <br /> 13 <br /> 529 <br /> 4 ------------------- - <br /> '. SANDY LEAN CLAY(CL): dark greenish gray (SGY 3/7)„ <br /> 616 moist,70%fines.30%fine sand,firm,hydrocarbon odor - <br /> 15 ' <br /> wsecsavlxsv.gaol <br /> GBOrrtaVlX COrISUHaflts Project No.6M7003.0 Page 1 of 2 <br />