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1 SECOR
<br /> Intemattonal Incorporated
<br /> 1 Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Boring Number
<br /> • 7/17101 WEST ARCO#595 SPLIT SPOON
<br /> CM 7117101 HAZMAT STOCKTON,CA HSA PSB-1
<br /> See"Legend to Logs"for Boring' Surface Groundwater Depth(ft) Total Dnve Drop samphng method, Dian,(") Elev(ft) V 60 6 FIRST Depth(ft) wt(lbs) Dist(in)
<br /> classi#ications and laboratory
<br /> sting methods 8 X 62 5 STABILIZED 1000 NA NA
<br /> 1 Well Description
<br /> Construction
<br /> A.
<br /> 1
<br /> 1 SANDY SILT(ML): brown(10YR5/3),fine-grained sand,low plasticity,hard,
<br /> moist to wet,subangular blocky soil structure,partially cemented(0,35,65,0)
<br /> 0
<br /> 80 Same as above
<br />' SILTY SAND (SM) light olive brown(2 5Y5/3),fine-grained sand,very dense,
<br /> moist(0,60,40,0)
<br />' 0
<br /> SANDY 5ILT(ML) brown(10YR5/3),fine-grained sand,very stiff to hard,low
<br /> GROUT 85 plasticity,partially cemented in zones,rootholes,wet along structural fractures
<br /> • (0,40,60,0)
<br /> 1
<br />' 0
<br /> SAND(SP) dark yellowish brown(10YR3/6),fine-grained sand,dense,wet
<br /> 90 '(0,90,10,P)
<br />' SANDY SILT (ML) brown(10YR4/3),with clay,fine-grained sand,low plasticity,
<br /> very stiff to hard,moist,partially cemented,wet in zones,subangular blocky soil
<br /> structure(0,30,60,10)
<br /> 1
<br /> 95 At 95 to 96 feet,zone of no clay,wet sandy silt
<br /> 1
<br /> 1X1 11 SILTY SAND(SM). dark yellowish brown(10YR4/4),fine-grained sand,dense,wet fl
<br /> iffi 11
<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 matenal type to another could be different than indicated Descriptions on this Iog apply only at the specific location
<br />' at the time of drilling and may not be representative of subsurface conditions at other locations or times
<br /> . Project No 077.43029 330 Date 9/20101 PR Log of Boring
<br />' 595PSB l GP7 Approved by
<br /> LOG OF BOREHOLE
<br /> Figure (sheet 4 of 5)
<br /> I
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