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s <br /> � E1)evdTour-hspments EXPLORATORY BORING LOG <br /> � �DeveIo <br /> FrMronmental Management <br />• Field Location of Boring Project No 9-8264 Date 2 6 96 Boring No <br /> Client CHEVRON PRODUCTS CO B-1 <br /> Location 3773 Tracy Boulevard <br /> See Figure 1 City Tracy,CA Sheet 1 <br /> Logged By rcm Driller V&W of 1 <br /> Casing Installation data <br /> Drilling Method Hollow Stem Auger <br /> Hole Diameter 8-Inch Top of Box Elevation Datum <br /> _ <br /> 2a)�, m Water Level <br /> OE :� oa ash r -aqu =_b =51 <br /> a s and ?' E E E E m °1'W 0 Time <br /> a 00a �m inz n N �� gin? <br /> Date <br /> >> t <br /> baserock <br /> SAND (SP) -brown (10YR 414), damp, loose <br /> 100%sand <br /> 3 > #<#i<'{<{<':3#ass#3G3 <br /> 6 S&H 1 4 s <{' zt� CLAY(CL) -yellowish brown (10YR 514), damp, stiff <br /> 6 B_1 #�>a# >#3 95%clay, 5%fine sand, high plasticity, greenish <br /> 98 7 50 5 �>#s>«:s#r=� gray (5GY 511) discoloration <br /> S=s> z 4N,` <br /> 6 <br /> 8 ti <br /> 6 ?`;€>}' SILT(ML) - olive gray (5Y 512), moist, very <br /> 9 - g €$> >>f>{? stiff, 90%silt, 10%fine sand, low to medium <br /> 116 11 96 ##3 {#{3{ plaStlClty <br /> S&H9 10 <br /> 125 11 B-1 #';; s# COLOR CHANGE TO light olive brown <br /> 12 <br /> 110S&H (2 5Y 516) at 10 0 feet <br /> {#yt <br /> 12 B-1 12 »`#>»>> <br /> 168 12 5 »»{ <br /> S S�{�fi S�if <br /> 13 <br /> z{ {'�X>s <br /> 14 » <br /> {�Sui isLtSts� <br /> 15 <br /> 3 S&H >#sf#<<>3{ <br /> 7 1 1134 #`f,{„#i f,i saturated at 16 0 feet <br /> 16 K <br /> 75 11 165 <br /> 17 <br /> 18 { <br /> SILTY SAND (SM) -light olive brown (2 5Y 516), <br /> 19 >#>$<t>' #5> saturated, dense, 75%fine sand, 25%silt <br /> 7 58H t{}`�`�<`��3 SILT(ML) - light olive brown (2 5Y 516), I <br /> 12 B-1 21 ,$#€�U saturated, dense, 75%fine sand, 25%silt <br /> 56 <br /> 15 21 5 #3 `# { BOTTOM OF BORING AT 21 5 FT <br />