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1 Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> BOREHOLE NO 13-3
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 351
<br /> Project LATHROP GAS & FOOD MART Drilling Co Envlroprobe
<br /> Site Location 14800 South Highway 99 Rig/Auger Type GeoProbe 540011 25
<br /> ' Manteca, California Logged By Donna Sexton
<br /> Reviewed By Calvin Lee
<br /> Project No AGE-NC-03-1080
<br /> Date(s) Drilled 02 August 2004
<br /> Notes sz Water level during drilling Page t of 1
<br /> = Water level in completed well
<br /> ' Depth Sample Blows PID Sod USCS Class and Well Well
<br /> p ID /ft (ppm) Symbol Sod Description Completion Description
<br /> 0
<br /> 1
<br /> —3 133-5 not SM Dark brown,SILTY SAND,fine grained,poorly
<br /> taken graded,moist,no hydrocarbon(HC)odor
<br /> (ms)
<br /> ' 33-10 NT SM Brown,SILTY SAND,fine grained,poorly
<br /> graded,moist,slight HC odor
<br /> ' —15 133-15 NT MH Gray brown,SILT,low plasticity,moderate
<br /> consistency,low toughness,moist,no HC odor
<br /> ' —20 133-20 NT MH Gray brown,SILT,low plasticity,moderate
<br /> consistency,low toughness,moist,no HC odor
<br /> ' SW Light brown,clean,SAND,medium to fine
<br /> grained,moderately sorted,no HC odor
<br /> —25— R3-25 NT CL Gray brown,CLAY,low plasticity,high
<br /> consistency,moderate toughness,moist,no HC odor
<br /> Q
<br /> ' -30 133-30 NT MH Gray brown,SANDY SILT,coarse grained,low
<br /> plasticity,low consistency,low toughness,very
<br /> moist,no HC odor
<br /> —35 133-35 NT MH Gray brown,SANDY SILT,coarse grained,low
<br /> plasticity,low consistency,low toughness,very
<br /> moist,no HC odor
<br /> SM SILTY SAND,fine grained,moderately graded,
<br /> saturated,no HC odor
<br /> 1
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