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1 Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> - � � BOREHOLE NO B-1
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 40'
<br /> ' Project LATHROP GAS & FOOD MART Drilling Co Envlroprobe
<br /> Site Location 14800 South Highway 99 Rig/Auger Type GeoProbe 540011 25
<br /> Manteca, Califomla Logged By Donna Sexton
<br /> Reviewed By Calvin Lee
<br /> Project No AGE-NC-03-1080 Date(s) Drilled 02 August 2004
<br /> ' Notes s Water level during drilling
<br /> Page 1 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 /> 10
<br /> —5 131-5 55 SM Dark brown,SILTY SAND,fine grained,poorly
<br /> graded,moist,slight hydrocarbon(HC)odor
<br /> 1
<br /> t B1-10 Q SM Dark brown,SILTY SAND,fine grained,poorly
<br /> graded,moist,no HC odor
<br /> —15 BI-15 200 SM Light brown,SILTY SAND,poorly graded,
<br /> moist,slight HC odor
<br /> ' —20 B 1-20 158 ML CLAYEY SAND,stiff,low plasticity,moderate
<br /> consistency,moist,no HC odor
<br /> ISM Light brown,SILTY SAND,HC odor
<br /> —25 B1-25 not CL Orange brown,CLAY,low plasticity,moderate
<br /> taken consistency,low toughness,moist,no HC odor
<br /> (NT)
<br /> ' — B1-30 NT MH Orange brown,SANDY SILT,moderate
<br /> plasticity,low consistency,low toughness,moist,no
<br /> HC odor
<br /> —35 B1-35 NT CL Orange brown,SILTY CLAY,moderate
<br /> plasticity,moderate consistency,low toughness,
<br /> moist,no HC odor
<br /> ' B140 NT MH Gray brown,SILT,low plasticity,moderate
<br /> consistency,moderate toughness,moist,no HC odor
<br /> 1
<br /> -45
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