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AWC ASSOCIATES INC 126D Grap o D w.We*,Cu6fo%95331 LOG OF BORING SB 6 PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIFQN, CALIFORNIA PROJECT NO 14981 0001 DATE DRILLED 07,L/98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEX C47410 DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD -DIRECT PUSH TECHNOLOGY BORE HOLE DIAMETER 1 5 IN DEPTH DRILLED 26 FT DEPTH TO WATER INITIAL - 24 FT STATIC FT CASING TYPE _KA DIAMETER IN SCHEDULE INTERVAL FT TO FT SCREEN TYPE _HA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT FILTER PACK TYPE NA INTERVAL FT TO _ FT SURFACE SEAL TYPE NEAT CEMENT ytA ISEmir mETHop INTERVAL 26 FT TO FT COMMENTS ADVANCED AND. EXPOSED SCREEN FROM 31-35,FEET TO COLLECT WATER SAMPLE.,_ PAGE?OF--!— WELL F!WELL DEPTH PED SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL FT PPI BLOWCOUNT LOG 0-2" ASPHALT 2 4 0 SP-SM 2"-11/14' POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE-MEDIUM, 6 POORLY GRADED SAND, 10X FINES, MODERATE BROWN NONE-SLIGHT PRODUCT ODOR, NO ORGANICS, DRY-MOIST, WEAK- MODERATE CEMENTATION, HOMOGENOUS s 10 a 12 —14- 0 SM 11/14-16/19' SILTY SAND (SM) 70% FINE SAND, 30% FINES, MODERATE BROWN, 16 NO PRODUCT ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION HOMOGENOUS 18 2p O SW 16/19-20/24' WELL GRADED SAND (SW) >95% FINE-COARSE, WELL GRADED SAND <5% FINES, PALE YELLOW BROWN, NO PRODUCT ODOR, NO 22 ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS 24 NS-SB6-250' O ML 20/24-26' SILT WITH SAND (ML) 20X FINE, POORLY GRADED SAND, 80% FINES, NONE-LOW DRY STRENGTH, NONE-SLOW DILATANCY LOW TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT 26 ODOR, NO ORGANICS, MOIST-WET, WEAK CEMENTATION, HOMOGENOUS, IRON OXIDES PRESENT 28- 30- -32 32 34 _36- 38— L---40--