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Advanced BORING LOG
<br /> GeoEnvironmenlal, Inc.
<br /> ----, BOREHOLE NO.: MW-2
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> " '•""•� (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 70'
<br /> Project: Grewals Market Drilling Co.: Mitchell Drilling Environmental
<br /> Site Location: 4100 East Fremont Street Rig/Auger Type: CME 75 18"hollow stem
<br /> Stockton Logged By: B. Millman
<br /> California Reviewed By: N. Henderson
<br /> Project No.: AGE-NC-97-0327 Date(s) Drilled: 02/01/00
<br /> Notes: Total depth of boring MW-2 equal to 70 feet bsg;MW-2 a Water Level Before Drilling page 1 of 1
<br /> completed as 2-inch diameter ground water monitoring well. 3E Water Level After Drilling
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0 Well vault.
<br /> Water tight,locking well
<br /> CUP.
<br /> -5-
<br /> 10 MW2-10 10/13/19 0 1111111
<br /> ML:Pala brown,dry,very stiff,sandy SILT;fine sand.
<br /> No hydrocarbon(HC)odor.
<br /> —15 MW2-15 14/18/21 0 TflTm ML:Brown,damp,very stiff to hard,sandy SILT;fine
<br /> sand,no HC odor.
<br /> -20 MW2-20 18128130 0 1111111ML.'Brown,damp,hard,sandy SILT;tine sand,no HC
<br /> odor.
<br /> —25 MW2-25 12/18/27 1 ML:Yellowish-orange,damp,very stiff to hard,clayey Cement grout sea]from
<br /> SILT;no HC odor. 1to 46 bsg.
<br /> —30 MW2-30 25150 2
<br /> SM:Gray-brown,moist,very dense,silty SAND;fine
<br /> sand,faint HC odor.
<br /> —35 MW2-35 20/20/20 1 ' ' SP:Pale brown,damp,dense,SAND;fine sand,faint HC
<br /> odor.
<br /> 40 MW2-40 13/18/35 12 1111111 ML:Yellowish-orange,moist,hard,clayey SILT;faint
<br /> HC odor.
<br /> —45 MW2-45 38/50 2 ML:Dark brown,damp,hard,sandy SILT;fine sand,
<br /> faint HC odor, Bentonite seal from 46'to
<br /> 48' bsg.
<br /> _5
<br /> 42/12 sand from 48'to
<br /> MW2-50 50 0 ML:Brown,damp,hard,sandy SILT;fine sand,faint 70'bsg,
<br /> HC odor.
<br /> _5 MW2-55 50 0 SM:Pale brown,saturated,dense to very dense,silty
<br /> SAND;fine sand,faint HC odor.
<br /> —60 MW2-60 26!50 0 Screened interval from
<br /> SM:Yellowish-orangee,saturated,dense,silty SAND;
<br /> fine sand,no HC odor. 50'to 70'bsg.
<br /> 65 MW2-65 33/50 0 ML:Brown,very moist„hard,sandy SILT;fine sand,no
<br /> HC odor.
<br /> —70 MW2-70 50 0 1 SM:Yellowish-orange,saturated,very dense,silty Well plug at 70'.
<br /> SAND;fine sand,no HC odor.
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