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Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> BOREHOLE NO.: MW-7
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH: $Q,
<br /> Project: Vanco Truck& Auto Plaza Date(s) Drilled: 09 May 2006
<br /> Project No.: AGI;-NC-02-0962 Page 2 of 2
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per6") (ppm) Symbol Soil Description Completion Description
<br /> —45 MW7-45 ln!23i3o NNt SP:Gray,SAND;saturated,fine-gained,poorly graded,micaceous, 10
<br /> I IC odor POO ML:Gray-brawn,SANDY Sf1.T;saturated,moderate plasticity,lostconsistency,low toughness,sand is very tine-grained and poorlygraded,HC odor. Mme/
<br /> — M W 7-SU 701'2l?� NM 1' / Diameter,
<br /> SP:Gray,SAND;saturated,fine-grained,p(xxly graded,inicaccous, F610 1 gchedu]c aD PSC
<br /> possible slight I[Codor. 1,0100 s ith 0.010"slotted
<br /> screen
<br /> MW7-55 20130/32 NM SP:Gray,SAND:saturated,line-grained,poorlgraded,micaceous, l
<br /> possible slight HC odor.
<br /> —�� MW7_(,(5 ?dI"4;^_S N'N€ SP:Gray,SAND;saturated,fine-grained,poorly graded,micaceous,
<br /> possible scry slight FIC c3dor.
<br /> —05 MW7-65 12!25130 NM SP:Gra,,SAND;saturated,fine-grained,p(wrly graded,:nicaceous,
<br /> no HC odor.
<br /> _ Bentonite chill seal
<br /> from 65.5'to 67.5
<br /> bsg
<br /> —� MW7-7(t 19!25i2S NN4 SP:Gray,SAND;saturated,fine-grained,poorly graded,micaceous.
<br /> no F}C odor- —
<br /> _;l'Loaestar sand
<br /> tiller pack from 67.5'
<br /> to 79.5'bsg
<br /> —75 MW7-7i 2013i130 NM SP:Gray,SAND;maturated,tine-grained,poorly graded,micaceous,
<br /> no HC odor. Cap at 76'bsg
<br /> CL:Grav-brown.SANDY CLAY;saturated,moderate plasticity,low Casing pulled up
<br /> consistency,low toughness,no HC odor. aLIUppx.3.5 during
<br /> grout
<br /> —80 MW7-6o 30,50 for NM SP:Gray,SAND:saturated,line-grained.rxxorly graded,Micaceaus_ Hole collapse
<br /> i" no HC odor.
<br /> SW:Cray,SAND;saturated,Fine-to coarse-grained,well graded,
<br /> grains up to 1/4"diameter,possible very slight HC odor.
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