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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-12
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX (209)467-1118 TOTAL. DEPTH 451
<br /> Project Pacific Car Wash Drilling Co Mitchell. Drilling Environmental
<br /> Site Location 4405 Pacific Avenue Rig/Auger Type CME 75 / 8" hollow stem
<br /> Stockton Logged By D Kalmbach
<br /> California
<br /> Project No AGE-NC-96-0229 Reviewed By C Lee
<br /> Date(s) Drilled 09-27-02
<br /> Notes Total depth of boring equal to 45 feet bsg, completed = Water level during drilling page 1 of 1
<br /> as 2-inch diameter ground water monitoring well m Water level in completed well
<br /> Sample Blows PID Sod USCS Class and
<br /> Depth ID (per 6") (ppm) Symbol Y Sod Description
<br /> , 0
<br /> I ,
<br /> I I
<br /> I
<br /> I -5 MW 12-5 12/14/25 I 0 L -- 1 SM Dark brown slightyl damp,med dense, claye3/silty SAND, about 60%fine sand
<br /> i and 40%fines,some organic debris, no hydrocarbon(HC)odor
<br /> i -1❑ �----- - - - - -
<br /> I MW 12-10 i 10/13/26 0 --��-� ML Yate brown,dam-p, verystiff--, sandy,claye--y SILT, about 70%fines and 30%fine
<br /> I sand,some organic debris, no HC odor
<br /> -15] MW 12-15 16/13/19 0 SP Brown to red-brown,damp, medium dense,silty SAND, about 90%Fine sand and
<br /> 0%fines,no HC odor �
<br /> -20 -
<br /> MW 12-20 10/15/24 0 SP Brown to red-brown,damp,medium dense, silty SAND, about 90%fine sand and
<br /> 10%fines,no HC odor
<br /> -25- 1 MW 12-25 19/12/20 0 SP Brown-gray, damp,medium dense, SAND,about 95%fine to medium sand and 5%
<br /> 3 MW 12-30 - 0 i SP Brown-gray, damp,SAND, about 95%fine to medium sand and 5%fines,no HC
<br /> ndnr
<br /> I i
<br /> 35
<br /> -I MW12-35 - 0 00
<br /> SW Brown to red-brown,saturated, SAND,about 95%fine to coarse sand with some
<br /> gravel and 5%fines,no HC odor f,
<br /> I 1
<br /> 40A - - -
<br /> I MW 12-40 _ 0 SM Gray-brown to red-brown, saturated,clayey SAND,about 80%fine to coarse sand
<br /> �I ] with some gravel and 20%fines,no HC odor
<br /> -4 5- 1 —_ -- ---- -
<br /> MW 12-45 - 0 — SM Gray-brown to red-brown,saturated,clayey SAND, about 70%fine to coarse sand
<br /> j and 30%fines,no HC odor
<br /> y
<br /> I
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