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"ASSOCIATES INC. V
<br /> 125DrAopoDw,Yo*CaQalmWill LOG OF BORING SBI
<br /> PROJECT ROYAL OAKS PUMP STATION LOCATION ROYAL PARK LANE R PRINCESS DRIVE, STOCKTON, CA PROJECT NO. 62574.0006
<br /> DATE DRILLED 05/04199 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C474tO _
<br /> DRILLING COMPANY WEST HAZMAT .—_ DRILLER ROBERT LEININGER METHOD HOLLOW SEM AUGER
<br /> BORE HOLE DIAMETER 8 AN DEPTH DRILLED 51.51FT DEPTH TO WATER : INITIAL 35' FT STATIC El
<br /> CASING TYPE NA DIAMETER - IA[_ 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 ____ INTERVAL _ O FT TO 51.5 FT
<br /> COMMENTS: PAGE 1 017-2-
<br /> WELL DEPTH PID SAMPLE 10+"" DETAIL Ff. (PPM) BLOWCOUNT Ll HLOG I DESCRIPTION
<br /> 0-2.5" CONCRETE
<br /> i.r 2
<br /> MH 2.5"-6.5/10' ELASTIC SILT WITH SAND (MH): 20X FINE-MEDIUM, POORLY GRADED
<br /> 4 SAND; BOX FINES; NONE-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS,
<br /> LOW-MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> 1.r 3 ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 6 3
<br /> n
<br /> Ar $
<br /> 1a
<br /> 3 6.5/10-11.5/15' SILTY SAND (SM): <B5X FINE-MEDIUM. POORLY GRADED SANG; >15X
<br /> I.r 3 SM FINES: NOD Y STRENGTH, SLOW-RAPID DILATANCY, LOW TOUGHNESS,
<br /> 14 NO PLASTICITY, DARK YELLOWISH ORANGE, NO PRODUCT ODOR, NO
<br /> 12 ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 1.r
<br /> —14-
<br /> 1
<br /> 413
<br /> 16 3 14
<br /> i.r 20 'SW 11.5/15-16.5/20' WELL GRADED SAND (SW): >95X FINE-COARSE, WELL GRADED SAND;
<br /> <5X FINES; MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO
<br /> ORGANICS. MOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 1$
<br /> Ar
<br /> 20 3
<br /> 3 B
<br /> 10 SM/SC 16.5/20-21.5/25' SILTY SAND TO CLAYEY SAND (SM/SC): 70X FINE, POORLY GRADED
<br /> i+ 22 PLASTICITY.SAND; 30% FINES; YTA
<br /> MODERATE N. TOUGHNESS. LOW-MEDIUM
<br /> NOPRODUCTO OR, NO
<br /> E
<br /> ORGANICS, TAOIST, WEAK CEMENTATION, HOMOGENOUS
<br /> 24
<br /> A.a s
<br /> 26 2.5
<br /> 21
<br /> —28-
<br /> -30 10
<br /> 11 CL
<br /> 2.5 17 21.5/25-36.5/40' LEAN CLAY (CL): <15X FINE, POORLY GRADED SAND; >85X FINES;
<br /> 32 MEDIUM-HIGH DRY STRENGTH, NO DILATANCY, MEDIUM TOUGHNESS,
<br /> LOW-MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT
<br /> ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGEOUS
<br /> Aa 34
<br /> RD-SBI-35.3
<br /> 12
<br /> 36 1B
<br /> 2.5 21
<br /> 38-
<br /> 36.5/40-41.5/45- SILT WITH SAND (ML): 20X FINE, POORLY GRADED SAND; BOX FINES;
<br /> 40 1Z ML LOW TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN,
<br /> 22 NO PRODUCT ODOR, NO ORGANICS, MOIST-WET, WEAK CEMENTATION,
<br /> 2.5 23 HOMOGENOUS
<br /> 42
<br /> La
<br />
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