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AIMASSOCIATES INC.
<br /> 1260 Q*04"mi;Cdafania,9951 LOG OF WELL MW3
<br /> PROJECT STOCKTON FIRE STATION 03 LOCATION 1116 FIRST STREET, STOCKTON, CALIFORNIA PROJECT NO. 62574.0005
<br /> DATE DRILLED 03/16/99 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410
<br /> DRILLING COMPANY VAW DRILLING DRILLER RICK BARRAGAN METHOD HOLLOW STEM AUGER
<br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 50 FT DEPTH TO WATER : INITIAL 36 FT STATIC FT
<br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 30 FT
<br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 30 FT TO 50 FT
<br /> FILTER PACK TYPE NO, 3 INTERVAL 28 FT TO 50 FT
<br /> SURFACE SEAL TYPE _MEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 28 FT
<br /> COMMENTS: PAGE I OF--!—
<br /> ELL
<br /> F?ELL DEPTH OVA SAMPLE ID LITHOLOGIC DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 0-8' ASPHALT
<br /> 2
<br /> 6'-6.5/10' LEAN CLAY WITH SAND (CL): 20X FINE, POORLY GRADED SAND;
<br /> CL BOX FINES; LOW-MEDIUM DRY STRENGTH, NONE-SLOW DILATANCY,
<br /> LOW-MEDIUM TOUGHNESS, LOW-MEDIUM PLASTICITY, MODERATE
<br /> r... 4 YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, DRY, WEAK
<br /> CEMENTATION, HOMOGENOUS
<br /> 2.5 17
<br /> 6 21
<br /> 32
<br /> i 8
<br /> 2.5 25
<br /> 37 SM 6.5/10-11.5/15' SILTY SAND (SM :70% FINE-MEDIUM, POORLY GRADED SAND; 3OX
<br /> FINES; MODERATEYELLOW BROWN, NONE-SLIGHT PRODUCT ODOR,
<br /> 12 32 NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 14
<br /> 2.5 127 11,5/15-16.5/20' SILT (ML): <15X FINE, POORLY GRADED SAND; >85X FINES;
<br /> 16 42 ML NONE-LOW DRY STRENGTH, SLOW DILATANCY, LOW TOUGHNESS,
<br /> NONE-LOW PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> ,� 18
<br /> 20 16.5/20-21' LEAN CLAY WITH SAND (CL): <15X FINE, POORLY GRADED SAND;
<br /> ..r 2.5 39 CL >85% FINES; NONE-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS,
<br /> LOW-MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> 48 ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION,
<br /> 22 SP HOMOGENOUS
<br /> 21-21.5/25' POORLY GRADED SAND (SP): >95% FINE-MEDIUM, POORLY
<br /> GRADED SAND; <5X FINES, MODERATE YELLOW BROWN, NO
<br /> 24 PRODUCT ODOR. NO ORGANICS, DRY-MOIST, WEAK CEMENTATION,
<br /> CL HOMOGENOUS
<br /> 2.5 27 21.5/25-25.5' LEAN CLAY (CL): <15% FINE SAND; >85X FINES; MEDIUM DRY
<br /> 26 50 STRENGTH, NONE-SLOW DILATANCY, MEDIUM TOUGHNESS, LOW-
<br /> MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, DRY-MOIST. WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> K, 28 SP
<br /> 25.5-31POORLY GRADED SAND (SP): >95X FINE-MEDIUM, POORLY GRADED
<br /> y a SAND; <5X FINES; MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 18
<br /> 14
<br /> = 32 CL
<br /> LEAN CLAY TO FAT CLAY (CL): <5% FINE, POORLY GRADED SAND;
<br /> >95X FINES; MEDIUM-HIGH DRY STRENGTH, NO DILATANCY,
<br /> 34 \ MEDIUM-HIGH TOUGHNESS, LOW-MEDIUM PLASTICITY. PALE
<br /> v `y FS-MW3-33.5 YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, DRY-MOIST,
<br /> 25 8
<br /> WEAK CEMENTATION, HOMOGENOUS
<br /> 36 12
<br /> ' CL
<br /> 38
<br /> I..r 40
<br />
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