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Advanced BORING LOG
<br /> GeoEnvironmental� Inc.
<br /> BOREHOLE NO MW3
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX (209)467-1118 TOTAL DEPTH 70 feet
<br /> IProject ARROYO SMOG Drilling Co Cascade Drilling
<br /> Site Location 3012 EAST WATERLOO ROAD Rig/Auger Type CME 7518-inch hollow stem augers
<br /> ISTOCKTON, CALIFORNIA Logged By Arthur Delcke
<br /> Reviewed By Calvin Lee
<br /> Protect Na AGE-NC-04-1168 Date(s) Drilled 21 JULY 2005
<br /> Notes = Water level during drilling
<br /> Page 1 of 2
<br /> = Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> IID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0
<br /> I
<br /> —5 ML Brown with gold specks,dry,SANDY SILT,well-
<br />' MW3-5 23150 for 249 graded(10-25%),low plasticity,low toughness,low
<br /> 5 consistency,no Hydrocarbon(HC)odor
<br /> I0 ML Orange-Brown with gold specks,dry,SANDY /
<br /> MW3-10 35/36/34 0 SILT,well-graded(10-25%),low plasticity,low
<br /> toughness,low consistency,no HC odor /
<br /> I
<br /> —15 CL Orange-Brown,dry,SILTY CLAY,medium
<br /> MW3-15 36/33/38 3 plasticity,low toughness,low consistency,no HC odor
<br /> I
<br /> 20 CL Orange-Brown,dry,SILTY CLAY,medium ,
<br /> MW3-20 29/34/31 0 plasticity,low toughness,low consistency,no HC odor
<br /> —25 CL Orange-Brown,dry,SILTY CLAY,medium
<br /> MW3-25 34/34/30 0 plasticity,low toughness,low consistency,no HC odor Cement grout seal from
<br /> 5'to 45'bsg
<br /> —30 CL Orange-Brown,dry,SILTY CLAY,medium
<br /> MW3-30 NA 0 plasticity,low toughness,low consistency,no HC odor
<br /> I —
<br /> 35 CL Orange-Brown,dry,SILTY CLAY,medium
<br /> MW3-35 36/34/38 4 plasticity,low toughness,low consistency,no HC odor /
<br /> ML Orange-Brown to light Brown SANDY SILT
<br /> 1-40 g ,ilii', ,
<br /> (well-graded,10-25%),slight plasticity,slight
<br /> MW340 24/26121 0 toughness,low consistency,no HC odor
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