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<br /> Advanced BORING LOG
<br /> I y GeoEnv)ironmental, Inc. BOREHOLE NO MW-16
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 101 FT.
<br /> Project PACIFIC CAR WASH Drilling Co CASCADE DRILLING
<br />' Site Location 4405 PACIFIC AVENUE Rig/Auger Type CME-75HT
<br /> STOCKTON Logged By T CUELLAR
<br /> CALIFORNIA
<br /> Reviewed By C LEE
<br /> Project No AGE-NC-96-0229
<br /> Date(s) Drilled October 24, 2003
<br /> Notes Soil sampled at 5 ft intervals between 15 & 100 feet, s7 Water level during drilling Page 1 of 2
<br /> Boring completed as multi-level momtonng well MW-16 ' Water level In completed well
<br /> Depth Sample BlowsPID Soil USCS Class and Well Well
<br /> 1D (per 6") (ppm) Symbol Sall Description Completion Description
<br /> i 0 Well cover,water-tight
<br /> NO SAMPLE No samples collected from surface grade g
<br /> to 10 feet locking cap I�
<br /> I
<br /> i
<br /> 10-
<br /> 15
<br /> MW16-15 20/24/28 0 SM Mottled graylbrown w/white ppt,dry,dense,silty,
<br /> fine SAND 60%sand/40%tines,well compacted,no Cement grout seal
<br /> 1 €0 30 feat
<br /> odor
<br /> i
<br /> -
<br /> 20-
<br /> -
<br /> 0 MW 16-20 19/19/23 0
<br /> SM Mottled gray/brown,moist,dense silty,fine
<br /> SAND,60%sand/40%fines,well compacted,no odor
<br /> -
<br /> 25— M W 16-25 25/27/31 0 —_—_
<br /> SM Gray brown,most,dense,fine gram SANDw/silt
<br /> 80%sand/20%fines,well compacted,no odor
<br /> I
<br /> -30 MW16-30 24/24/29 0
<br /> C SW Pale brown/gray,moist,dense,fine-coed gram
<br /> SAND w/some coarse sand,no fines,no odor Bentonite sea] I
<br /> 30 to 34 feet
<br /> No 3 sand filter pack
<br /> -
<br /> 35— MW16-35 13/15/20 0 CW Pgle hrnwn/gray catnrMtPr`1 medium dPnsr fine to 34 to 41 feet
<br /> med gram SANDw/trace fine gravel,no fines,no odor Screen interval
<br /> 35 to 40 feet
<br /> -40 MW160 23/25/29 Q 5M/ML Mottled brown/gray,moist,hard,silty,fine
<br /> SAND,50%sand/50%fines,no odor
<br /> -45— Bentonite
<br /> 25/29/33 0 ty, o Bentonite seal
<br /> 5M Pale brown,moot,dense stl fine SAND,70% 141 to 49 feet
<br /> sand/30%fines,well compacted,no odor
<br /> -
<br /> 50— No 3 sand filter pack
<br /> MW16-50 27/29/23 0 ML Brown w/white ppt,moist,hard,fine sandy,SILT, 49 to 56 feet
<br /> 60%fines/40%sand,well compacted,no odor Screen interval
<br /> 50 to 55 feet
<br /> I _55— MW16-55 25/25/28 0
<br /> � ML Dark brown w/black fragments,saturated,hard, � I
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