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<br /> BORING LOG
<br /> GeoEnvironmentalInc.I
<br /> BOREHOLE NO.MW-6
<br /> -7- 837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX: (209)467-1118 TOTAL DEPTH: 50 feet
<br /> ' Project: RALPH SQUARE-BUI Drilling Co.: All Well Abandonment
<br /> Site Location: 2122 South Airport Way Rig/Auger Type: CME75
<br /> ' Stockton, California Logged By: REN
<br /> Project No.: AGE-NC-07-1537 Reviewed By: WRL
<br /> Date(s) Drilled: 14 June 2007
<br /> Notes: PID Inoperable 4 Water Level Before Drilling
<br /> Page 1 of 1
<br /> = Water Level After Drilling
<br /> '
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> p ID (per 6"
<br /> (ppm) Symbol Soil Description Completion Description
<br /> ' 0 Well cover cristy box
<br /> ' Cement grout seal from
<br /> —5 --
<br /> 5 MW6-5 12-14-17 CL:Dark Brown to Dark Yellow-Orange Brown,Dry, .5'to 26'bsg.
<br /> SILTY CLAY;high plasticity and toughness,20mm
<br /> ' gravel,very hard consistency,no hydrocarbon(HC)
<br /> odor.
<br /> —10 MW6-10 12-14-17 CL:Dark Yellow-Orange Brown,Slightly Moist,
<br /> SILTY CLAY;high plastcity,medium to high
<br /> ' toughness,hard consistency,no HC odor.
<br /> —15 MW6-15 18-21-23 CL:Dark Yellow-Orange Brown,Dry,SILTY CLAY;
<br /> medium to high plasticity and toughness,5mm to lomm
<br /> ' gravel,stiff consistency,no HC odor.
<br /> —20 MW6-20 17-25-29 CL:Dark Yellow-Orange Brown,Dry,SILTY CLAY;
<br /> ' Medium plasticity,medium to high toughness,loose
<br /> consistency,no HC odor.
<br /> Oe
<br /> —25 MW6-25 22-25-29 CL:Dark Yellow-Brown,Dry,SILTY CLAY;medium
<br /> ' plasticity,low toughness,no HC odor.
<br /> Bentonite seal from 26'to
<br /> SP:Dark Yellow-Orange Brown,Dry,SAND;fine, 28' bsg.
<br /> poorly graded,loose consistency,no HC odor.
<br /> ' —30 MW6-30 21-26-31
<br /> CL:Dark Yellow-Orange Brown,Moist,SILTY CLAY;
<br /> medium to high plasticity,medium toughness,stiff
<br /> consistency,no HC odor.
<br /> ' -
<br /> 35 MW6-35 22-26-33 CL:Dark Yellow-Orange Brown,Dry,SILTY CLAY;
<br /> medium plasticity,low toughness,5mm to 10mm #3 sand from 28'to 50'
<br /> gravel,loose consistency,no HC odor. bsg.
<br /> ' —
<br /> 40 MW6-40 29-35-41 CL:Dark Yellow-Brown to Grey Brown,Moist,CLAY
<br /> with SILT;high plasticity and toughness,5mmgravel, Screened interval from
<br /> hard consistency,no HC odor. 30'to 50'bsg.
<br /> t -
<br /> 45 MW6-45 27-33-39 CL:Dark Yellow-Orange Brown,Wet, SILTY CLAY;
<br /> medium plasticity and toughness,no HC odor.
<br /> -50 MW6-50 22-29-43 CL:Dark Yellow-Orange Brown,Wet,SILTY CLAY;
<br /> high plasticity,medium toughness,very hard Cap at 50'.
<br /> consistency,no HC odor.
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