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ASSOCIATES INC.
<br /> Q60 Gqk Drive Wedo Cogmi 95351 LOG OF WELL M W 2
<br /> PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET. RIPON. CA PROJECT NO. 14981.0001
<br /> DATE DRILLED 021899 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY 047410
<br /> DRILLING COMPANY V&W DRIIIING INC. DRILLER RICK BARRAGAN METHOD HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 39 FT DEPTH TO WATER INITIAL 27 FT STATIC ?ET
<br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 1S.5 FT
<br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 18.5 FT TO 38.5 FT
<br /> FILTER PACK TYPE RMC IONFSTAR #3 INTERVAL 16-5 FT TO 38-5 FT
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 16.5 FT
<br /> COMMENTS: SURGE B O K 0 WFLL PRIOR TO PLACING TRANSITIONAL SEAL PAGE 1 OF 1
<br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 0-2" — Asphalt
<br /> 2
<br /> 4
<br /> SM 2"-6.5/10' SILTY SAND (SM): <859 FINE-MEDIUM, POORLY GRADED SAND;
<br /> 5 >15% FINES, MODERATE YELLOW BROWN, NO PRODUCT ODOR, DRY-
<br /> 6 3.5 4 MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 5
<br /> 8 \
<br /> 10 7
<br /> 3.5
<br /> 6
<br /> 10
<br /> 12
<br /> Sp 6.5/10-16.5/20' POORLY GRADED SAND (SP): >95% FINE-MEDIUM, POORLY GRADED
<br /> 14 SAND; <5% FINES; PALE YELLOW BROWN, NO PRODUCT ODOR,
<br /> 10 DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 16 3.5 12
<br /> 15
<br /> 20 3.5 300 16.5/20-21.5/20' ELASTIC SILT WITH SAND (MH): >157 FINE-MEDIUM, POORLY GRADED
<br /> 36 MH SAND; <85% FINES; LOW-MEDIUM DRY STRENGTH, NONE-SLOW
<br /> =r" 22 DILATANCY, LOW TOUGHNESS, LOW-MEDIUM PLASTICITY, MODERATE
<br /> YELLOW BROWN, NO PRODUCT ODOR, MOIST, WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> —24-
<br /> 21.5/25-26' WELL GRADED SAND (SW): >95%. FINE-COARSE, WELL GRADED SAND;
<br /> 3.5 25 SW <5% FINES; PALE-MODERATE YELLOW BROWN, NO PRODUCT ODOR,
<br /> 30 WET, WEAK CEMENTATION, HOMOGENOUS
<br /> _ 31
<br /> 26-26.5/30' LEAN CLAY WITH SAND (CL): <15% FINE-MEDIUM, POORLY GRADED
<br /> 28 SAND; >85% FINES; NO DRY STRENGTH, LOW-MEDIUM TOUGHNESS,
<br /> MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, MOIST-WET, WEAK CEMENTATION, HOMOGENOUS
<br /> 30 9 NSI-MW2-30.5
<br /> - 'r• 13
<br /> 50 SM 26.5/30-31.5/35' SILTY SAND (SM): <85% FINE-COARSE SAND; >15% FINES;
<br /> __ 32 MODERATE YELLOW BROWN, NONE-SLIGHT PRODUCT ODOR, NO
<br /> ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS
<br /> 4.0 31SM 31.5/35-36.5/38' SILTY SAND (SM): 60% FINE, POORLY GRADED SAND; 40% FINES;
<br /> _ 36 3 MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS,
<br /> WET, WEAK CEMENTATION, HOMOGENOUS
<br /> 38 35CL 36.5/38-39' LEAN CLAY (CL): <5% FINE, POORLY GRADED SAND; >95% FINES;
<br /> 3.5 45 HIGH DRY STRENGTH, NO DILATANCY, MEDIUM TOUGHNESS, MEDIUM
<br /> 40 PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO
<br /> ORGANICS, WEAK CEMENTATION, HOMOGENOUS
<br /> 42— 1 F
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