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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-19
<br /> Y' 837 Shaw Road, Stockton, CA 95215
<br /> (zos)467-1006 FAX (209)467-1118 TOTAL DEPTH 101 FT.
<br /> Project PACIFIC CAR WASH Date(s) Drilled October 22, 2003
<br /> Project No AGF-NC-96-0229 Page 2 of 2
<br /> I
<br /> EthSample Blows PID Soil USCS Class and Well Well
<br /> ID ({ger 6"} (ppm) Symbol Sod Description Completion Description
<br /> Bentonite seat
<br /> I 56 to 60 5 feet
<br /> -60 MW19-60 13/15/18 0
<br /> SP Dark brown,satuated,medium dense,tine gram No 3 sand filter pack
<br /> SAND less than 5%fines,unconsolidated,no odor 60 5 to 68 feet
<br />' Screen interval
<br /> -65 62 to 67 feet
<br /> MW19-65 15/18/23 0 ML Mottled gray/brown w/black fragments,damp,
<br /> very stiff, SILT w/fine sand,80%fines/20%sand,well
<br />'
<br /> -70 compacted,no odor
<br /> MW19-70 28/21/25 0
<br /> SP Pale brown,saturated,dense,fine gram SAND,no
<br /> fines,unconsolidated,no odor Bentonite seal
<br />' -- 68 to 78 feet
<br /> -75 M W 19-75 21120121 0 ____
<br /> MLSM Brown,saturated,hard,tine sandy SILT,50%
<br /> fines/50%sand,murky,no odor
<br /> No 3 sand filter pack
<br /> MW19-80 22/22/24 0 NO SAMPLE no soil recovery 78 to 85 feetScreen interval
<br /> 79 to 84 feet
<br />' -$5
<br /> MW19-85 23/25/20 0Ell ML Mottled gray/brown w/black fragments,moist,
<br />' hard,SILT,no sand,compacted,no odor
<br /> Bentonite seal
<br /> -90 85 to 93 feet
<br /> MW19-90 25/27/29 0 SM Brown,saturated dense,silty,fine SAND,70%
<br /> sand/30%fines,murky,no odor
<br />' No 3 sand filter pack
<br /> -95— 93 to 101 feet
<br /> MW19-95 28/24/26 0 ML Brown,damp,tight,clayey SILT,no sand,
<br /> compacted,no odor Screen interval
<br />' 95 to 100 feet
<br /> -100- MW 19-100 15/I9/21 0 Bottom well plug
<br /> ML Brown,damp,tight,clayey SILT,no sand, p g
<br /> compacted,no odor 100 feet
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