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ASSOCIATES INC <br /> II60CIaphmome, Ilokb9 Dov m, 9W LOG OF BORING ASB1 <br /> PROJECT FARMER PROPERTY LOCATION -610 NORTH HUNTER STREET, STOCKTON, CA PROJECT NO 625960001 <br /> DATE DRILLED 3-24-98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> DRILLING COMPANY V&W DRILLING DRILLER ROBERT VICKERY METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 1 5 IN DEPTH DRILLED 36 FT DEPTH TO WATER INITIAL FT STATIC FT <br /> t CASING TYPE HA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE ININTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FT 70 FT <br /> SURFACE SEAL TYPE CEMENT SLURRY OVER 157 BENTONITE INTERVAL FT TO FT <br /> ' COMMENTS PAGE 1 OF 1 <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> ' O-2" ASPHALT <br /> 2 <br /> t4 Sc 2' -6 0/9 0 CLAYEY SAND (SC) 707. FINE, POORLY GRADED SAND 307. FINES, <br /> 310 OLIVE GRAY, MODERATE PRODUCT ODOR, MOIST, WEAK CEMENTATION <br /> HOMOGENOUS <br /> 6 <br /> 8 <br /> 58 <br /> 10 <br /> i <br /> 12 <br /> ' CL 6 0/9 0-15 0/19 a LEAN CLAY (CL) <5% FINE, POORLY GRADED SAND, >95% FINES, <br /> HIGH DRY STRENGTH, NO DILATANCY, MEDIUM—HIGH TOUGHNESS, <br /> MEDIUM PLASTICITY, OLIVE GRAY, MODERATE PRODUCT DOOR, <br /> 14 MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 3700 ASB1 - 15 <br /> 16 <br /> iB <br /> ' 20 1532 ML 15 0/19 0-21 0/24 0 SILT (ML) < 15% FINE POORLY GRADED SAND >95% FINES <br /> NONE—SLOW DILATANCY LOW TOUGHNESS, NONE—LOW PLASTICITY, <br /> 22 OLIVE GRAY, STRONG PRODUCT ODOR MOIST WEAK CEMENTATION <br /> HOMOGENOUS <br /> 24 <br /> 3419 A5131 -25 CL Z1 0/24 0-260/29 0' LEAN CLAY (CL) < 15% FINE, POORLY GRADED SAND , >85% FINES, <br /> 26 NONE-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS, MEDIUM <br /> PLASTICITY, OLIVE GRAY, STRONG PRODUCT ODOR, MOIST, WEAK <br /> CEMENTATION, HOMOGENOUS <br /> 28 <br /> 30 3886 ASB1 -30' SP <br /> 260/290-310/340 POORLY GRADED SANG >85% FINE-MEDIUM, POORLY GRADED <br /> SAND, GEST, FINES MODERATE YELLOW BROWN STRONG PRODUCT <br /> 32 ODOR, WET, WEAK CEMENTATION, HOMOGENOUS <br /> I <br /> ' 34 CL 31 0/340-360 LEAN CLAY (CL) < 15% FINE POORLY GRADED SAND >857. FINES <br /> 27 ASB1 -35' NONW-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS, LOW- <br /> MEDIUM PLASTICITY MODERATE YELLOW BROWN SLIGHT PRODUCT <br /> 36 ODOR MCIST, WEAK CEMENTATION, HOMOGENOUS <br /> 38 <br /> ' 40 <br />