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Advanced BORING LOG
<br /> a GeoEnvironmental, Inc.
<br /> �r- BOREHOLE NO CB6
<br /> CA 95215 837 Shaw Road, Stockton,
<br /> • (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 40'
<br /> Project Chapin Brothers Investments Drilling Co Enviroprobe
<br /> Site Location 1766 Monte Diablo Avenue Rig/Auger Type Geoprobe 5400
<br /> Stockton, California Logged By Little
<br /> Project No AGE-NC-95-103 Reviewed By Little
<br /> Date(s) Drilled 24 November 2003
<br /> Notes Ground water encountered at 20 feet bsg 4 Water level during drilling Page 1 of 1
<br /> angle borings at 30 degrees depths corrected to vertical = Water level in completed well
<br /> Depth Sample Blows PID Sod USCS Class and Weil Well
<br /> ID (per 6") (ppm) Symbol Soil Descnption Completion Description
<br /> o
<br /> SM Light Brown,SILTY SAND(backfill),fine sand,
<br /> J
<br /> 10%silt,moist,no hydrocarbon(HC)odor
<br /> 0 _ ML Light Brown,SILT,low plasticity,low toughness,
<br /> moist,no hydrocarbon(HC)odor
<br /> 4ML Light Brown,SILT low plasticity,low toughness,
<br /> C86-12 moist,no hydrocarbon(HC)odor
<br /> Ei
<br /> 4 ML Gray to brown,SILT,low plasticity,low
<br /> toughness,moist,Aight hydrocarbon(HC)odor
<br /> C86-16
<br /> 6 ML Gray,SILT low plasticity,low toughness,moist,
<br /> -15� K_=W
<br /> �� slight to medium hydrocarbon(HC)odor
<br /> CH6-20 621 — — SM Gray,SILTY FINE SAND 5%-]0%silt,poorly
<br /> graded,saturated,strong hydrocarbon(HC)odor
<br /> CB6-24 — —
<br /> 586 — — SM Gray,SILTY FINE SAND,30%silt,poorly
<br /> T graded saturated,strong hydrocarbon(HC)odor
<br /> -25-1 CI36-28 19 _ 5M Gray,SILTY FINE SAND,30%silt,poorly
<br /> graded,saturated,strong hydrocarbon(HC)odor
<br /> CB6-32
<br /> 5 _ CL Light green,CLAY,low plasticity,low-med
<br /> toughness,Ones,moist,no hydrocarbon(HC)odor
<br /> -30—
<br /> C136-36
<br /> 30 CH6-36 0 CL Light green,CLAY,low plasticity,low-ined
<br /> toughness,fines,moist,no hydrocarbon(HC)odor
<br /> -31— C136-40 0
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