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Advanced BORING LOG
<br /> GeoEnviron mental, Inc.
<br /> BOREHOLE NO.: MW-1
<br /> � 4 4005 North Wilson Way, Stockton, CA 95205
<br /> (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH: 60 feet
<br /> Project: Franklyn Cole Drilling Co.: Cal Nev Geo Exploration
<br /> Site Location: 7505 West Linne Road Rig/Auger Type: CME 75
<br /> Tracy Logged By: WRL
<br /> California
<br /> Reviewed By: Henderson
<br /> Project No.: AGE-NC-95-0100
<br /> Date(s) Drilled: Re-Drilled 02-03-2000
<br /> Notes: �z Water level during drilling Page 1 of 1
<br /> No soil samples collected i Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID /ft. (ppm) Symbol Soil Description Completion Description
<br /> 0
<br /> Cement grout seat from
<br /> 0.5 to 35 feet bsg.
<br /> –5 CL:SILTY CLAY,brown,moist,soft to firm,no
<br /> bydroca3bon(IIC)odor.
<br /> -10 CL:SILTY CLAY,brown,firm,moist,no HC odor.
<br /> –15
<br /> CL:SILTY CLAY,brown,firm,moist,no HC odor. Blank casing from 0.5
<br /> feet to 40 feet bsg.
<br /> –20— CL:SILTY CLAY,brown,moist,firm,no HC odor.
<br /> –25— SP:Poorly Graded SAND,silt,brown,dry to moist,
<br /> dense,fine to coarse sand and some gravel,stiff to very
<br /> stiff,no}IC odor.
<br /> –30 SP:Poorly Graded SAND,silt,brown,dry to moist,fine
<br /> to coarse sand and some gravel,very dense,no HC odor.
<br /> –35—
<br /> CL:SILTY CLAY,brown,moist,very stiffno HC odor.
<br /> Bentonite seal from 38
<br /> to 35 teet bsg.
<br /> -40— — — SM:SILTY SAND,brown,moist to wet,fine to medium
<br /> sand,dense,very slight HC odor.
<br /> #3 sand from 38 to 60
<br /> feet bsg.
<br /> CL:SILTY CLAY,bluish grey,moist,trace fine gravel,•
<br /> stitt'to very stiff,very slight HC odor.
<br /> \7
<br /> –5G— SM:SILTY SAND,brown,wet,loose,very slight
<br /> MTBE-like/HC odor. Screen interval with
<br /> (0.020)from 40 to 60
<br /> feet bsg,
<br /> –55— ML:SILT,brown,wet,trace fine sand,stiff to very stiff,
<br /> no HC odor.
<br /> –60— ML.:SILT,brown,wet,trace fine sand,hard,no HC odor.
<br /> End cap at 60 feet bsg,
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