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<br /> ff- C'SSOCIATES INC. LOG OF BORING SB1
<br /> 1264 6raphia be,Modesto,California,95351
<br /> PROJECT PITTS PROPERTY LOCATION 203 SOUTH LINCOLN STREET, MANTECA,;.CA PROJECT NO. 90954.0003
<br /> i
<br /> DATE DRILLED 10/29/97 LOGGED BY TOM LUTTERMAN C REVIEWED BY JEANNE HOMSEY C47410
<br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH
<br /> BORE HOLE DIAMETER 1.5 IN DEPTH DRILLED 29 FT DEPTH TO WATER INITIAL —19 FT STATIC FT
<br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT
<br /> I SCREEN TYPE NA II
<br /> DIAMETER IN SLOT SIZE h IN INTERVAL FT TO FT
<br /> FILTER PACK TYPE NA INTERVAL FT TO FT
<br /> I SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 FT TO 31 FT
<br /> COMMENTS: PHOTO IONIZATION DETECTION'1P10) METER BACKGROUND READINGS 0-3 PPM ! PAGE 1 OF 1
<br />' WELL DEPTH PID SAMPLE ID LITHOLOGIC
<br /> DETAIL FT. PPM BLOWCOUNT LOG DESCRIPTION
<br /> 2 e
<br /> ML
<br /> i 4t
<br /> 0-6/9' SANDY SILT (ML): 40% FINE, POORLY GRADED SAND; 60% FINES,
<br /> 1.9 SLOW DILATANCY, LOW,-MEDIUM TGHNSS; NO—LOW PLASTICITY, PALE
<br /> YELLOW BROWN/MODERATE YELLOW BROWN, NO PRODUCT ODOR, DRY,
<br /> 6 WEAK CEMENATATION, HOMOGENOUS, CALCIUM CARBONATE CEMENTATION,
<br /> IRON OXIDES PRESENT"
<br /> l
<br /> 8
<br /> i
<br /> �; I
<br /> 10 0
<br /> 6/9-19.5' WE
<br /> 12— 6/9-19.5 GRADED!jSAND (SW): >95% FINE—COURSE, WELL GRADED SAND;
<br /> I <5% FINES, PALE YELLOW BROWN—MODERATE BROWN, NO PRODUCT ODOR,
<br /> SOME ORGANICS 14-16', DRY, WEAK CEMENTATION, HOMOGENOUS
<br /> 14 PP—SBI-15:0' SW
<br /> 0
<br /> 18
<br /> I SOIL WET AT I19 FEET
<br /> 1 20 0 19.5-21/24' ELASTIC SILT WITH SAND (MH): 20% FINE—MEDIUM, POORLY GRADED I
<br /> SAND: 80% FINES, LOW—MEDIUM TOUGHNESS. LOW—MEDIUM PLASTICITY,
<br /> dddrrr MH MODERATE YELLOW BROWN, NO PRODUCT ODOR, WET, WEAK CEMENTATION,
<br /> I HOMOGENOUS ',
<br />� 22
<br /> 21/24-25'. SILT (ML): <5% FINE; POORLY GRADED SAND; >95% FINES, SLOW
<br /> 24 iI ML DILATANCY, LOW TOUGHNESS, LOW PLASTICITY, MODERATE YELLOW
<br /> BROWN, NO—SUGHT PRODUCT ODOR, MOIST, WEAK CEMENTATION,
<br /> 3 HOMOGENOUS.!!,IRON OXIDES
<br /> 26 CL 25-26/29' AN CLAY (CL): <57 FINE, POORLY GRADED SAND; 95% FINES, HIGH
<br /> DRY STRENGTH, NO DILATANCY, MEDIUM—HIGH TOUGHNESS, MEDIUM
<br /> I ,i PLASTICITY, LIGHT OLIVE GRAY, NO—SLIGHT PRODUCT ODOR, MOIST,
<br /> WEAK CEMENTATION, HOMOGENOUS
<br /> 28 s PP—S81 30'0' � f
<br /> i ii i 11
<br /> 30 0 SP 26/29-31' POORLY GRADED SANDI!(SP): >95% FINE—MEDIUM, POORLY GRADED
<br /> SAND; <5% FINES. MODERATE YELLOW BROWN, NO PRODUCT ODOR,
<br /> ORGANICS, WET, WEAK!!CEMENTATION, HOMOGENOUS
<br /> �-
<br /> I
<br /> -32-
<br /> 34 I.
<br /> ���rrrrrr - Ii
<br /> 38-
<br /> 40—
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