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AI`►ASSWAINC T S 1260 Gra0im ko,IWde sb,Cdl mA 95MI LAG OF BORING S B 3 PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIPON, CALIFORNIA PROJECT NO 14981 0001 DATE DRILLED 07/13/90 _ LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY 047410 RILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH TECHNOLOGY,10 ORE HOLE DIAMETER 1 5 IN DEPTH DRILLED SO FT DEPTH TO WATER INITIAL 31 FT STATIC FT CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT SCREEN TYPE NA DIAMETER IN SLOT SIZE IN- INTERVAL FS- TO _ ET FILTER PACK TYPE NA INTERVAL -- I TO FT SURFACE SEAL TYPE SAT CEMENT VIA TREMIE METHOD INTERVAL 31 FT TO FT COMMENTS ADVANCED AND EXPOSED SCREEN FROM 31-35 FEET TO COLLECT WATER SAMPLE PAGE 1 OF 1 WELL DEPTH PID SAMPLE ID LITHOLGGIC DESCRIPTION DETAIL FP PP#1 BLOWCOUNT LOG 0—r ASPHALT z ' 4 02 11/14' POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE-MEDIUM, fi SP-SM POORLY GRADED SAND 10% FINES, DARK YELLOW BROWN NO PRODUCT ODOR, DRY, NO ORGANICS WEAK CEMENTATION, HOMOGENOUS 8 1 10 0 ' 12 —14- 0 11/14-20 POORLY GRADED SAND (SP) <5% FINE POORLY GRADED SAND SP >05% FINES PALE-MODERATE YELLOW BROWN NO PRODUCT ODOR NO 16 ORGANICS, DRY-MOIST WEAK CEMENTATION, HOMOGENOUS 18 ' ?0 0 20-21/29' SILT WITH SAND (ML) 15% FINE POORLY GRADED SAND, 85% FINES, ?2 ML NONE-LOW DRY STRENGTH NONE-SLOW DILATANCY, LOW-MEDIUM TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN NO ' 1 PRODUCT ODOR NO RECOVERY NO ORGANICS DRY-MOIST WEAK CEMENTATION HOMOGENOUS IRON OXIDE PRESENT 24 0 1 26- 28- 6 28 21/29-31' SILT (ML) <15% FINE POORLY GRADED SAND >85% FINES, NONE-LOW NS-583-30 O' DRY STRENGTH, NONE-SLOW DILATANCY, LOW TOUGHNESS, LOW ML PLASTICITY DARK YELLOW BROWN, SLIGHT-MODERATE PRODUCT ODOR 30 16 MOIST-WET, WEAK CEMENTATION HOMOGENOUS ' 32 ' -34— ,36- 38- 40—