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AW ASSOCIATES INC.
<br /> 1260 Ww,kko C wia 9ZI LOG OF WELL MW3
<br /> PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIPON, CA PROJECT NO. 14981.0001
<br /> DATE DRILLED 091899 LOGGED BY TOM I LITTERMAN REVIEWED BY JEANNE HOMSFY (47410
<br /> DRILLING COMPANY 1(&W DRILLING INC. DRILLER RICK RARRAGAN METHOD HOLLOW STEM ALIGER
<br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 39 FT DEPTH TO WATER : INITIAL 27 FT STATIC ? FT
<br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 18.5 ET
<br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE OA20 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 RLOCKFD WELL PRIOR TO PLACING TRANSITIONAL SEAL PAGE 1 OF__L__
<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): <85% FINE-MEDIUM, POORLY GRADED SAND;
<br /> >15% FINES, MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO
<br /> 6 2 ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 8 \
<br /> 10 2 6
<br /> 7
<br /> 8
<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-MODERATE YELLOW BROWN, NO PRODUCT
<br /> 10 ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 16 2 12
<br /> 16
<br /> 18
<br /> = 20
<br /> 2 16 16.5/20-21.5/20' ELASTIC SILT WITH SAND (MH): 25% FINE, POORLY GRADED SAND;
<br /> MH 75% FINES; LOW-MEDIUM DRY STRENGTH, NONE-SLOW DILATANCY,
<br /> 22 LOW TOUGHNESS, LOW-MEDIUM PLASTICITY, MODERATE YELLOW
<br /> BROWN, NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK
<br /> CEMENTATION, HOMOGENOUS
<br /> — 24
<br /> 2
<br /> _ 15
<br /> 21
<br /> 24 Sw Q
<br /> 21.5/25-26.5/30WELL GRADED SAND (SW): 95% FINE-COARSE, WELL GRADED SAND;
<br /> 5% FINES; PALE YELLOW BROWN, MODERATE PRODUCT ODOR, NO
<br /> ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS
<br /> _ 3D 20 NSI-MW3-30.5
<br /> 11
<br /> 40 SM 26.5/30-31.5/35' SILTY SAND (SM): <85% FINE-MEDIUM, POORLY GRADED SAND; >15
<br /> "'_ :i'• 32 FINES; OLIVE BROWN, SLIGHT-MODERATE PRODUCT ODOR, NO
<br /> �='• '.'! ORGANICS, MOIST-WET, WEAK CEMENTATION, HOMOGENOUS
<br /> r ,.. 34 \ \
<br /> 2.5 17 SM 31.5/35-36.5/38' SILTY SAND (SM): <85% FINE, POORLY GRADED SAND; >15% FINES;
<br /> 36 3o MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS,
<br /> s' WET, WEAK CEMENTATION, HOMOGENOUS
<br /> r:
<br /> 17 CL 36.5/38-39' LEAN CLAY (CL): 5% FINE, POORLY GRADED SAND; 95% FINES;
<br /> ";'' '•� 2.5 31
<br /> NO DILATANCY, MEDIUM TOUGHNESS, MEDIUM PLASTICITY,
<br /> 40 MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS,
<br /> MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 42
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