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<br /> STRATIGRAPHIC AND INSTRUMENTATION LOG
<br /> (OVERBURDEN) Page 1 oft
<br /> PROJECT NAME: SHELL OIL PRODUCTS HOLE DESIGNATION: MW-16-90
<br /> PROJECT NUMBER: 240778 DATE COMPLETED: July 6,2007
<br /> CLIENT: DENIS BROWN DRILLING METHOD: ROTOSONIC
<br /> LOCATION: STOCKTON,CALIFORNIA FIELD PERSONNEL: K MATTHIAS
<br /> DEPTH SAMPLE
<br /> ft BGS ft BGS STRATIGRAPHIC DESCRIPTION&REMARKS DEPTH MONITORING WELL �
<br /> Lu
<br /> com J n
<br /> Q
<br /> Lu > p
<br /> Z) z (Y z n
<br /> concrete
<br /> 1.00 CONCRETE
<br /> cleared with airknife-not logged
<br /> 5 CL-CLAY,2.5y 5/4,dry,20%clay,75%silt, 5.00 0
<br /> 5%fine sand,medium plasticity
<br /> 10 CL-CLAY,2.5y 4/4,dry,20%clay,75%silt, 10.00 0
<br /> 5%fine sand,medium plasticity
<br /> 15 CL-CLAY,10yr 3/6,dry,20%clay,75%silt, 15.00 0
<br /> 5%fine sand,medium plasticity
<br /> BENTONITE
<br /> GROUT
<br /> 20 ML-SILT,10yr 3/6,dry,10%clay,80%silt, 20.00 0
<br /> 10%fine sand,medium plasticity
<br /> 25 2"PVC WELL 0
<br /> ML-SILT,10yr 3/6,dry,10%clay,80%silt, 25.00 CASING
<br /> 10%fine sand,medium plasticity
<br /> SM-SILTY SANDS,wet,5%clay,45%silt, 28.00
<br /> 30 50%fine sand,low plasticity
<br /> 30.00 8" 0
<br /> SM-SILTY SANDS,gleyl 10y 5/1, wet,5% BOREHOLE
<br /> clay,45%silt,50%fine sand,low plasticity
<br /> 35 CL-CLAY,gleyl 10y 10gy 4/1,wet,30%clay, 35.00 0
<br /> 40%silt,30%fine sand,medium plasticity
<br /> n 40 CL-CLAY,gleyl 10y 10gy 4/1,wet,30%clay, 40.00 0
<br /> N 60%silt,10%fine sand,medium plasticity
<br /> 0
<br /> F-
<br /> p
<br /> 45 SM-SILTY SANDS,gleyl 10y 3/1, wet,5% 45.00 587
<br /> clay,10%silt,90%fine sand,low plasticity
<br /> U
<br /> 50 50.00 1063
<br /> m SM-SILTY SANDS,gleyl 5g 4/1, wet,10%
<br /> o silt,85%fine sand,5%coarse gravel,low
<br /> plasticity 53.00
<br /> o CL-CLAY,gleyl 5g 4/1, moist,20%clay, 38
<br /> Z 65%silt,15%fine sand,medium plasticity
<br /> W
<br /> cl NOTES: MEASURING POINT ELEVATIONS MAY CHANGE;REFER TO CURRENT ELEVATION TABLE
<br /> x WATER FOUND Y
<br /> W
<br /> 0
<br />
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