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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-17
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 101 FT.
<br />' Project PACIFIC CAR WASH Date(s) Drllled October 21, 2003
<br /> Project No AGE-NC-96-0229 Page 2 of 2
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<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> no sand,well compacted,faint HC odor
<br />' Bentonite seal
<br /> -6G— 58 to 61 feet
<br /> MW17-60 31/39/34 0t I
<br /> CD SW Gray,saturated,dense,fine to coarse SAND,less
<br /> th5%fines,unconsolidated,no odor Na 3 sand filter pack
<br /> an
<br /> 61 to 68 feet
<br />' — — Screen interval
<br /> -65— MW17-65 28/25/31 0 62 to 67 feet
<br /> _ _ SM Brown,saturated,dense,silty,fine to med SAND,
<br /> 80%sand/20%fines,no odor
<br />' -70 MW17-70 25/29/25 0
<br /> 0 SW Pale brawn,saturated,dense,fine-med grain
<br /> SAND w/trace fine gravel,less than 10%fines,uncons Bentonite seal
<br /> 1 olidated,no odor 68 to 78 feet
<br /> -75 MW17-75 31/35/35 0
<br /> 0 SW Pale brown,saturated,dense,fine-med gram
<br /> SAND w/trace fine gravel,less than 10%fines,uncons
<br /> olidated,no odor No 3 sand filter 10pack
<br /> -80
<br /> 78 to 85 feet
<br /> MW17-80 28/27/27 0 ML Brown,very moist,hard,clayey SILT,80%fines/ Screen interval
<br /> 20%sand,consolidated,no odor 79 to 84 feet
<br />' -85— °
<br /> MW17-85 31/39/34 0 ML Brown,very moist,hard,clayey SILT,801°fines/
<br />' 20%sand,consolidated,no odor
<br /> Bentonite seal
<br /> -90— 85 to 93 feet
<br /> MW 17-90 28/31/39 0 NO SAMPLE no soil recovery
<br />' No 3 sand filter pack
<br /> 93 to 101 feet
<br /> -95— M W 17-95 25/25/28 0 �ML Brown,very moist,hard,fine sandy,SILT 60%es/40%sand,no odor Screen interval
<br />' 95 to 100 feet
<br /> Bottom well plug
<br /> -10 MW17-100 21/21/23 0
<br /> 5M Brown,very moist,dense,silty,fine SAND,60% 100 feet
<br /> sand/40%fines,no odor
<br /> -10
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<br /> r
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