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<br /> Advanced �%, ih wDRING LOG
<br /> _ ate;.:, GeoEnvironmental, Inc. BOREHOLE NO.: MW-4
<br /> 4f 837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX: (209)467-1118 TOTAL DEPTH: 70
<br /> Project: Grewal's Market Drilling Co.: West HazMat Drilling
<br /> Site Location: 4100 East Fremont Street Rig/Auger Type: CME 75 /8" hollow stem
<br /> Stockton Logged By: T. Cuellar
<br /> California
<br /> Project No.: AGE-NC-97-0327 Reviewed By: C. Lee
<br /> Date(s) Drilled: 01/23/02
<br /> Notes: Total depth of boring MW-4 equal to 70 feet bsg;MW-4 a Water Level Before Drilling
<br /> Page 1 of 1
<br /> completed as 2-inch diameter ground water monitoring well. i 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 t ::
<br /> -71
<br /> -5
<br /> - NIA:No samples collected.
<br /> -10
<br /> N/A;No samples collected. t -
<br /> -15 MW4-l 5 18/22/32 0
<br /> SM:Pale reddish-brown,damp,dense,silty SAND;fisc
<br /> sand,about 70%sand&30%fines,no odor. t
<br /> -20 .
<br /> MW420 7/12//8 0 ML:Pale brown w/white precipitation,moist,very stiff,
<br /> sandy SILT;fine sand,about 80%fines&20%sand,no
<br /> —25 odor.
<br /> MW4-25 8/12/14 0
<br /> ML:Pale reddish brown,moist,very stiff,sandy,clayey
<br /> SILT;fine sand,about 80%lines&20%sand,no odor.
<br /> -30 MW4-30 12/19/2/ 0 ML;Reddish-brown,moist,hard,sandy,clayey SILT;
<br /> —35
<br /> fine sand,about 80%fines&20%sand,no odor,
<br /> MW4-35 12/18/24 0 ML;Reddish-brown w/white precipitation,damp,very
<br /> stiff to hard,sandy,clayey SILT;fine sand,about 70% s
<br /> fines&30% sand,no odor,
<br /> —40 MW440 10/18/23 0
<br /> ML:Reddish-brown,very stiff to hard,damp,sandy,
<br /> clayey SILT;fine sand,about 80%fines&20%sand,no
<br /> -45 MW4-45 29/30/34 0 odor.
<br /> ML:Reddish-brown w/white ppt.,damp,hard,sandy,
<br /> —50 clayey SILT;fine sand,about 80%fines&20%sand,no
<br /> MW4-50 18/20/24 0 odor.
<br /> —5 ML:Same as above,partly cemented.
<br /> MW4-55 10/18/20 0
<br /> ML:Dark brown,moist,clayey SILT with some sand; _
<br /> fine sand,about 90%fines& 10%sand,no odor.
<br /> 60 MW4-60 12/13/14 0 ML:Dark brown,moist/wet,clayey SILT;less than 5%
<br /> sand,no odor.
<br /> -65 MW4-65 10/12/18 0
<br /> ML:Brown,wet,clayey S[l..T with some sand;fine sand,
<br /> about 90%tines& 10%sand,no odor.
<br /> —70 MW4-70 16/22/28 0 °
<br /> Lfincs&�
<br /> ay-brown,wet,sandy SILT;fine sand,about 80%
<br /> 20%sand,no odor.
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