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' , ASSOCIATES INC 1260 Crap a be,bWo,CaifamD,MI LOG OF BORING S B 5 ' PROJECT VAN DYKEN PROPERTY LOCATION _215 WEST MAIN STREET, RIPON, CALIFORNIA_ PROJECT NO 14981 0001 — DATE DRILLED 07/13/98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEAANUE HOMSEY 047410 ILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH TECHNOLOGY RE HOLE DIAMETER 15 IN DEPTH DRILLED 26 FT DEPTH TO WATER INITIAL 24 FT STATIC FT ' CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT FILTER PACK TYPE NA INTERVAL FT TO FT SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL 26 FT TO FT ' COMMENTS ADVANCED AND EXPOSED SCREEN FROM 31-35 FEET TO COLLECT WATER SAMPLE PAGE?OF WELL DEPTH PID SAMPLE 10 LITHOLOGIC DESCRIPTION DETAIL FT (PPM)_ BLOWCOUNT LOG CONCRETE 2 4 0 Sp-SM 5'-11/14' POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE-MEDIUM 6 POORLY GRADED SAND 10% FINES, DARK YELLOW BROWN NO PRODUCT ODOR NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS 8 10 0 ' 12 14 0 11/14-20 POORLY GRADED SAND (SP) >95% FINE-MEDIUM, POORLY GRADED 16 Sp SAND <5R FINES, PALE YELLOW BROWN NO PRODUCT ODOR, NO ORGANICS DRY-MOIST WEAK CEMENTATION HOMOGENOUS ' 18 20 D ' 20-21/24' SILT WITH SAND (ML) is% FINE-MEDIUM. POORLY GRADED SAND, 85% ML FINES, NONE-LOW DRY STRENGTH, SLOW DILATANCY, LOW TOUGHNESS, NONE-LOW PLASTICITY, DARK YELLOW BROWN NO PRODUCT ODOR, 22 NO ORGANICS DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS, IRON OXIDE PRESENT ' 24 NS-S85-25 O' 0 ML 21/24-26' SILT (ML) <15% FINE, POORLY GRADED SAND, >85% FINES, LOW DRY STRENGTH, NONE-SLOW DILATANCY, LOW TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN NO PRODUCT ODOR 26 NO ORGANICS MOIST-WET, WEAK CEMENTATION, HOMOGENOUS —28- -32- 34- -36- 38- 40. 8 3234383840