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AASSOCIATES INC <br /> 1260 U*cs Drw,Unto,Cdfoma,95351 LOG OF BORING S B 6 <br /> PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIPON. CALIFORNIA PROJECT NO 14981 0001 - <br /> DATE DRILLED 07/13/98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47AIO <br /> WRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH TECHNOLOGY <br /> ORE HOLE DIAMETER 15 IN DEPTH DRILLED 26 FT DEPTH TO WATER INITIAL w 24 FT STATIC FT <br /> ' CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL _ FT TO F7 <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL -FT TO __--_--_ F <br /> FILTER PACK TYPE NA INTERVAL FT TOT <br /> SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL 26 F7 TO El <br /> ' COMMENTS ADVANCED AND EXPOSED SCREEN FROM 31-35 FEET TO COLLECT WATER SAMPLE PAGE?OF__L__ <br /> WELL DEPTH PID SAMPLE I LITHOLOGiC DESCRIPTION <br /> DETAIL FT ___(PPM) BLOWCOUNT LOG <br /> ' <br /> 0-2 ASPHALT <br /> 2 <br /> d <br /> 0 2"-11/14' POORLY GRADED SAND WITH SILT (SP-SM) 907 FINE-MEDIUM, <br /> 6 SP-SM POORLY GRADED SAND, 107 FINES MODERATE BROWN, <br /> NONE-SLIGHT PRODUCT ODOR NO ORGANICS, DRY-MOIST, WEAK- <br /> MODERATE CEMENTATION, HOMOGENOUS <br /> 12 <br /> 14 <br /> 0 <br /> SM 11/14-16/19' SILTY SAND (SM) 70% FINE SAND, 30% FINES, MODERATE BROWN <br /> 16 NO PRODUCT ODOR NO ORGANICS, DRY-TAOIST, WEAK CEMENTATION <br /> HOMOGENOUS <br /> ' 18 <br /> 24 0 SW <br /> 16/19-20/24' WELL GRADED SAND (SW) >957 FINE-COARSE WELL GRADED SAND, <br /> <5R FINES, PALE YELLOW BROWN, NO PRODUCT ODOR, NO <br /> 22 ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> ' 24 NS-SBS-25 0'\__7 <br /> 0 ML 20/24-26' SILT WITH SAND (ML) 205E FINE, POORLY GRADED SAND, 80%G FINES <br /> NONE-LOW DRY STRENGTH NONE-SLOW DILATANCY, LOW TOUGHNESS, <br /> ' NONE-LOW PLASTICITY, MODERATE YELLOW BROWN NO PRODUCT <br /> 26 ODOR NO ORGANICS. MOIST-WET, WEAK CEMENTATION, HOMOGENOUS, <br /> IRON OXIDES PRESENT <br /> —28- <br /> 32- <br /> -34- <br /> 36- <br /> 40 <br /> 832 343640 <br />