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SECOR
<br /> Internationallnco rated
<br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number:
<br /> CHEVRON#9-0557 CONTINUOUS CORE
<br /> DE 9111101 V &W STOCKTON,CA HOLLOW STEM AUGER MW-12
<br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop
<br /> sampling method, Diam.(in.): Elev.(ft.): V 22 FIRST Depth(ft.): wt.(Ibs.): Dist.(in*
<br /> classifications and laboratory 8 11.51 32,0
<br /> testin rnethods
<br /> ani
<br /> Well v k
<br /> x Description
<br /> Construction ^'
<br /> Q
<br /> TRAFFIC 3-inch asphalt.
<br /> RATED SILTY CLAY (CL):(7.SYR4/3), (7.5YR3/3).some fine-grained sand,medium plasticity,
<br /> WELL BOX moist,some mottling,no hydrocarbon odor(0,10,30,60).
<br /> "i
<br /> 5 SILTY CLAY(CL):(7.5YR3/1),some fill material,fine-grained sand, high plasticity,
<br /> -' moist,no hydrocarbon odor(0,5,10,55).
<br /> GROUT grades to(10YR5/4),medium to high plasticity(0,15,20,65).
<br /> e e.
<br /> CLAYEY SILT(ML):(10YR5/4), (7.5YR3/3),fine-grained sand,medium plasticity,moist,
<br /> 10no hydrocarbon odor(0,.15,50,35).
<br /> BENTONI
<br /> SEAL
<br /> SAND 15
<br /> SCREEN
<br /> INTERVAL
<br /> _ SILTY SAND(SP):(10YR5/4),fine-to medium-grained sand,low plasticity,moist,no
<br /> hydrocarbon odor(0,70,20,10).
<br /> 20 SANDY SILT
<br /> (ML):(10YR6/3),fine-grained sand, low plasticity,moist,some mottling,no
<br /> -,hydrocarbon odor(0,30,50,20).
<br /> SILTY SAND(SP):(10YR4/4),fine-grained sand,low plasticity, wet,no hydrocarbon odor
<br /> (0,70,20,10).
<br /> CLAYEY SILT(CL):(10YR4/4),fine-grained sand,low to medium plasticity,wet,no
<br /> hydrocarbon odor(0,5,65,30).
<br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or
<br /> samples obtained during drilling. Predominant material types shown on the log may contain different materials and the change from
<br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only cif`ic locatio
<br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. -16 ED G
<br /> n.
<br /> Project No. 77CH.43445.00.0370Date 817102 PR Log e1GCd E
<br /> ABLE N
<br /> 557MW 12.GPJ Figure • No. 63 •
<br /> LOG OF BOREHOLE 40 Q2
<br /> PC
<br /> 1
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