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me SSOCIATES INC.
<br /> 1260 Graphics Drive,Modesto,Cafifomla,95351 LOG O F BORING S B 2
<br /> PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIPON, CALIFORNIA PROJECT NO. 14981.0001
<br /> C DATE DRILLED 11/14/97 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410
<br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH TECHNOLOGY
<br /> BORE HOLE DIAMETER 1.5 IN DEPTH DRILLED 29 FT DEPTH TO WATER : INITIAL 30 FT STATIC FT
<br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT
<br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT
<br /> FILTER PACK TYPE NA INTERVAL FT TO FT
<br /> SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL 0 FT TO 35 FT
<br /> r COMMENTS: ADVANCED AND EXPOSED SCREEN FROM 31-35 FEET TO COLLECT WATER SAMPLE PAGE 1 OF 1
<br /> Itri WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 0-11/14' POORLY GRADED SAND WITH SILT (SP-SM): 90% FINE-MEDIUM,
<br /> SUBANGULAR-SUBROUNDED, POORLY GRADED SAND; 10% FINES,
<br /> 2 DARK YELLOW BROWN, NO PRODUCT ODOR, DRY, WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> 4
<br /> 1 2 MODERATE YELLOW BROWN TO DARK YELLOW BROWN, DRY TO MOIST
<br /> NOTED BETWEEN 9.0 - 11.0 FEET
<br /> 6 SP-SM
<br /> 8
<br /> 10 1.2
<br /> 11/14-14.3' SILT (ML): <5% FINE, SUBANGULAR-SUBROUNDED, POORLY GRADED
<br /> CSAND; >90% FINES, LOW TOUGHNESS, NO PLASTICITY, MODERATE
<br /> 12 YELLOW BROWN, NO PRODUCT ODOR, DRY-MOIST, WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> ML
<br /> 14
<br /> r 1.2 14.3-16/19' POORLY GRADED SAND (SP): >95% FINE-MEDIUM, POORLY GRADED
<br /> 1 SP SAND; <5% FINES, PALE YELLOW BROWN, NO PRODUCT ODOR, DRY-
<br /> 16
<br /> MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 18
<br /> NS-SB2-20.0'
<br /> 16/19-21/24• SILT WITH SAND (ML): 15% FINE, POORLY GRADED SAND; 85% FINES,
<br /> 20 8000 ML NO-LOW DRY STRENGTH, SLOW-RAPID DILATANCY, LOW TOUGHNESS,
<br /> NO-LOW PLASTICITY, DARK GREENISH GRAY, STRONG PRODUCT ODOR,
<br /> DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 22 \
<br /> 24 NS-SB2-25.0' \
<br /> 2880 ML 21/24-26/29' SILT (ML): <10% FINE SAND; >90% FINES, NO-LOW DRY
<br /> CSTRENGTH, SLOW-RAPID DILATANCY, LOW TOUGHNESS, NO-LOW
<br /> PLASTICITY, DARK GREENISH GRAY, STRONG PRODUCT ODOR,
<br /> 26 MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> r 28 26/29-31' SILTY SAND (SM): 80% FINE-MEDIUM, SUBANGULAR-SUBROUNDED,
<br /> NS-SB2-30.0' POORLY GRADED SAND; 20% FINES, LOW TOUGHNESS, NO-LOW
<br /> SM PLASTICITY, DARK YELLOW BROWN, STRONG PRODUCT ODOR, WET,
<br /> 30 3000 WEAK CEMENTATION, HOMOGENOUS
<br /> _32-
<br /> 34-
<br /> -36-
<br /> -38-
<br /> 40
<br /> 234363840
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