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Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> 1 F� BOREHOLE NO Mw-6
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> �— DEPTH
<br /> (209)467-1006 FAX (209)467-1118 TOTAL31 feet
<br /> Project MBP -NAVY Drilling Co West Hazmat
<br /> Site Location 2191 Navy Dnve Rig/Auger Type CME-85
<br /> IStockton Logged By P Dotson
<br /> California
<br /> Reviewed By N Henderson
<br /> IProject No AGE-NC-98-0534 Date(s) Drilled 07-21-00
<br /> Notes s Water level during drilling Page 1 of 1
<br /> 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 /> FILL BACKFILL MATERIAL,silty clay,brown,dry,
<br /> -
<br /> -5 MW6-5 12!8117 no petroleum hydrocarbon(HC)odor Cement grout seal from
<br /> 5'to-7'bsg
<br /> I !
<br /> 1
<br /> CL SILTY CLAY,with less than 5%coarse sand,
<br /> -10 MW6-10 HAWN - brownish-gray,dry,HC odor
<br /> Bentonite seal from-T
<br /> to-8' bsg
<br /> CL SILTY CLAY,with less than 5a/a sand,tan,moist,
<br /> -15 MW6-15 - --- HC odor ##2/12 sand from-8'to
<br /> I i
<br /> CL SILTY CLAY,brown,saturated,HC odor -31'bsg
<br /> MW6-17 --- --
<br /> I - -- CL CLAY,with silt,brown,saturated,HC odor
<br /> MW6-19
<br /> -20
<br /> CL CLAY,with silt and trace of fine to medium sand, Screened interval from
<br /> MW6-21 -- __ brown,saturated,no HC odor -I0'to-30'bsg
<br /> CL SILTY CLAY,brown,saturated,no HC odor
<br /> MW6-23 --- ---
<br /> ML CLAYEY SILT,bluish-gray,saturated,HC odor
<br /> -25 MW6-25
<br /> I A- SP POORLY GRADED SAND,with trace of silt,fine
<br /> MW6-27 to medium sand,gray,saturated,no HC odor
<br /> SP POORLY GRADED SAND,with trace of silt,fine
<br /> I MW6-29 _ _ — to medium sand,gray,saturated,no HC odor 2"lens
<br /> -3o— CLAY,bluish-gray,saturated,no HC odor Cap at-30'
<br /> MW6-31 --- ___ — SM SILTY SAND,biuish gray,saturated,no HC odor
<br /> I
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