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<br /> fIf■IWASSOCIATES INC.i 1117 Lone Palm A►e,Sine 8,11 rA fOrnia,95331 �..� LOG OF BORING/WELL M W 6
<br /> PROJECT DIESEL PERFORMANCE LOCATION 28041 EAST FREMONT STREET -STOCKTON- CA PROJECT NO. 62577.0001
<br /> DATE DRILLED 12/10/01 LOGGED BY JOHN SELLMAN REVIEWED BY JEANNE HOMSEY C47410
<br /> DRILLING COMPANY _WOODWARD DRILLING DRILLER VAN LEONARDMETHOD HDLLOW STEM AUGER
<br /> BORE HOLE DIAMETER a_IN DEPTH DRILLED 65 El -DEPTH TO WATER : INITIAL 2? FT STATIC 51.97 FT
<br /> CASING TYPE PVC DIAMETER —2 IN SCHEDULE _ 40 INTERVAL a FT TO 45 FT
<br /> SCREEN TYPE _PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 45 FT TO _ 65 FT
<br /> FILTER PACK TYPE INTERVAL — 43 ET TO 65 FT
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE
<br /> COMMENTS: INTERVAL D FT TO _ 43 FT
<br /> PAGE 1 OF?
<br /> WELL DEPTH FID SAMPLE ID LITHOWGIC DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 0-2" ASPHALT
<br /> 2
<br /> ML 2"-6.5/10.0' INORGANIC SILT (ML): 10016 FINES; MEDIUM DRY STRENGTH,
<br /> 4 LOW TOUGHNESS, NO PLASTICITY, YELLOWISH RED, NO PRODUCT ODOR,
<br /> NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 5.0 8
<br /> 6 12
<br /> 20
<br /> 8
<br /> 30 12 SM
<br /> 5.0 12 6.5/10.0-11.5/15.0' SILTY SAND (SM): 7054 FINE, POORLY GRADED MODERATELY
<br /> 15 COMPACTED SAND, 30% FINES; LOW DRY STRENGTH, LOW TOUGHNESS
<br /> 12 NO PLASTICITY, BROWN, NO PRODUCT ODOR, NO ORGANICS,
<br /> DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 14
<br /> 10 11.5/15.0-16.5/20.0' POORLY GRADED FINE SAND (SP): >95% FINE, POORLY GRADED
<br /> 16 5'0 ;O SP SAND, <5% FINES; BROWN, NO PRODUCT ODOR, NO ORGANICS
<br /> DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 18
<br /> - i
<br /> 20
<br /> 5 515 SM 16.5/20.0-26.5/30.0' SILTY SAND (SM): 80% FINE, POORLY GRADED SAND, 20% FINES;
<br /> LOW DRY STRENGTH, LOW TOUGHNESS, NO PLASTICITY, BROWN, NO
<br /> 25 PRODUCT ODOR, NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 22 \
<br /> 24 \
<br /> 15 SLIGHT SOAPY ODOR
<br /> 2fi 7.o 15
<br /> 35
<br /> 28
<br /> 30 MW6-30.5'
<br /> 12
<br /> 18
<br /> 5.0 22 ML - 26.5/30.0-41.5/45.0' INORGANIC SILT (111 1% 'FINE, POORLY GRADED SAND, 99% FINES;
<br /> 32 LOW DRY STRENGTH, LOW TOUGHNESS, LOW PLASTICITY, BROWN, NO
<br /> \
<br /> -PRODUCT ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 34 \
<br /> 20 '
<br /> 36 4.5 20 ML !
<br /> 40 NO SAND; NO PLASTICITY, 'FISSURED
<br /> 38 \
<br /> \ SOME CALCITE, YELLOWISH RED, HOMOGENOUS
<br /> ML \
<br /> 40
<br />
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