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Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> � BOREHOLE NO CB1 O
<br /> 837 Shaw Road, Stockton, CA 95215
<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 /> Reviewed By Little
<br /> Project No AGE-NC-95-103 Date(s)s Drilled 01 December 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 s Water level in completed well
<br /> Depth I Sample Blows Soil USCS Class and Well Wel!
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> c
<br /> o — —
<br /> � — SM Light Brown,SILTY SAND(backfill) fine sand,
<br /> 10%silt,moist,no hydrocarbon(HC)odor
<br /> 0 === ML Light Brown,SILT,low plasticity,low toughness,
<br /> -5 _= moist,no hydrocarbon(HC)odor
<br /> !Enmoz::om�-E
<br /> I ML Light Brown,SILT,tow plasticity,low toughness,
<br /> moist,no hydrocarbon(HC)odor
<br /> -10 CB10-12 =__-
<br /> -----3 ML Gray to brown,SILT,low plasticity,low
<br /> toughness,moist,slight hydrocarbon(HC)odor
<br /> CBIO-16 6 — — — SM Gray,SILTY FINh SAND,30%silt,poorly
<br /> -15 — — graded saturated,strong hydrocarbon(I 1C)odor
<br /> CBIO-20 960 SP Gray,POORLY GRADED SAND,5%-10%silt,
<br /> poorly graded,saturated,strong hydrocarbon(HC)
<br /> odor
<br /> -2 CSI 0-24
<br /> 952 SM Gray,SILTY FINE SAND,30%silt,poorly
<br /> _ graded,saturated,strong hydrocarbon(HC)odor
<br /> -
<br /> 25— C1310-28 426 — — — SM Gray,SILTY FINE SAND,30%silt,poorly
<br /> graded,saturated,strong hydrocarbon(HC)odor
<br /> CBIO-32 — —
<br /> 19 CL Light green,CLAY,low plastu.ity,low-med
<br /> toughness,fines,moist,no hydrocarbon(HC)odor
<br /> -30
<br /> CBI 0-36 —
<br /> 12 = CL Light green CLAY,low plasticity low-med i
<br /> toughness,fines,moist,no hydrocarbon(I-IC)odor
<br /> -35 4 f
<br /> J
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