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<br /> AWASSOCIATES INC.
<br /> 1260 Graphics he,Modesto,Uiforl o,95351 LOG OF WELL M W 2
<br /> PROJECT INLANQ PAINT QOMEANY LOCATION 117 WEST H RDING WAY, STOCKTON, CA _ _ PROJECT NO. 17995 OQQ1
<br /> DATE DRILLED 9-14-98 LOGGED BY TOM LUTTERMAN REVIEWED BY
<br /> 1 RILLING COMPANY V&W DRILLING INC. DRILLER ROBERT VICKERY METHOD HOI LOW STEM AUGER
<br /> ORE HOLE DIAMETER 8 IN DEPTH DRILLED 43 FT DEPTH TO WATER INITIAL -30_ FT STATIC 26.5 FT
<br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 21.5 FT
<br /> SCREEN TYPE _PVC DIAMETER 2 IN SLOT SIZE 0,02Q IN INTERVAL 21.E FT TO 41.5 FT_
<br /> FILTER PACK TYPE SRI SUPREME SAND NO, 8 INTERVAL 19.5 FT TO 43 FT
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL O FT TO _19.5 FT
<br /> ' COMMENTS: PID BACKGROUND READINGS 0 - 6 pl2m PAGE 4 OF
<br /> WELL DEPTH PID SAMPLE ID UTHOLOGIC DESCRIPTION
<br /> DETAIL FT. PPM BLOWCOUNT LOG
<br /> 0-1" — Asphalt
<br /> 2
<br /> I
<br /> 4
<br /> t Sc 1"-6.5/10' CLAYEY SAND (SC): 70% FINE, POORLY GRADED SAND;
<br /> 20 30% FINES; MODERATE YELLOW BROWN, NO PRODUCT
<br /> 6 1 21
<br /> 24 ODOR, NO ORGANICS, DRY—MOIST, WEAK CEMENATION,
<br /> ' HOMOGENOUS
<br /> 8
<br /> 11 0 1 21
<br /> 21 6.5/10-11.5/15' LEAN CLAY (CL): <15% FINE, POORLY GRADED SAND;
<br /> 21 CL >85% FINES; MEDIUM-HIGH DRY STRENGTH, NONE-SLOW
<br /> 12 DILATANCY, LOW-MEDIUM TOUGHNESS, MEDIUM
<br /> PLASTICITY, DARK YELLOW BROWN, NO PRODUCT ODOR,
<br /> DRY—MOIST, NO ORGANICS, WEAK CEMENTATION,
<br /> 14 HOMOGENOUS
<br /> 15
<br /> 16 1
<br /> 21
<br /> 21
<br /> 18
<br /> MH 11.5/15-21.5/25' ELASTIC SILT (MH): <15% FINE, POORLY GRADED SAND;
<br /> ' >85% FINES; LOW-MEDIUM DRY STRENGTH, NONE-SLOW
<br /> 20 1 15 DILATANCY, LOW-MEDIUM TOUGHNESS, LOW
<br /> 25 PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> 23 ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION,
<br /> ' = 22 HOMOGENOUS
<br /> = 24
<br /> ' } 1 IP-MW2-25.5
<br /> 17
<br /> 35
<br /> 26
<br /> 44
<br /> ' — 21.5/25-31.5/35' SILT WITH SAND (ML): 25% FINE--COARSE, WELL
<br /> 28 GRADED SAND; 75% FINES; NONE-LOW DRY STRENGTH,
<br /> ML SLOW-RAPID DILATANCY, LOW TOUGHNESS, NONE-LOW
<br /> PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> 30 1 25
<br /> ' 26 ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION,
<br /> HOMOGENOUS
<br /> 32
<br /> — IP-Mw2-35.5 31.5/35_35.5/40' ELASTIC SILT (MH): <10% FINE, POORLY GRADED SAND;
<br /> __ 1a >90% FINES; LOW DRY STRENGTH, NONE-SLOW
<br /> 36 1 30 MH DILATANCY, LOW TOUGHNESS, LOW-MEDIUM PLASTICITY,
<br /> MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO
<br /> ORGANICS, MOIST-WET, WEAK CEMENTATION, HOMOGENOUS
<br /> f = 38
<br /> 36.5/40-43' LEAN TO FAT CLAY (CL/CH); <5% FINE, POORLY GRADED
<br /> IP-Mw2-40.5 SAND; >95% FINES, MEDIUM-HIGH DRY STRENGTH,
<br /> 40 1 33CL/CH NO DILATANCY, MEDIUM TOUGHNESS. MEDIUM PLASTICITY,
<br /> 50
<br /> MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO -
<br /> 42 ORGANICS, MOIST--WET, WEAK CEMENTATION, HOMOGENOUS
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