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AWASSOCIATES NC i260 pl„R,yam,w1>m mi LOG OF BORING S63 PROJECT VAN DYKEN PROPERTY LOCATION 2t5 WEST MAIN STREET, RIPON. CALIFORNIA _ PROJECT NO 14881 0001 DATE DRILLED o7/1319a LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 SDRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD DIRECT PUSH TECHNOLOGY BORE HOLE DIAMETER 1.5 IN DEPTH DRILLED 30 FT DEPTH TO WATER INITIAL 31- -- FL STATIC _ - FT CASING TYPE _ NA DIAMETER IN SCHEDULE INTERVAL FT TO - FT SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO El- FILTER LFILTER PACK TYPE NA INTERVAL FT TO FT SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL 31 FT TO - FT COMMENTS ADVANCED AND EXPOSEO SCREEN FROM 31-35 FEET TO COLLECT WATER SAMPLE PAGE I OF__L_ WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL Ff PPM BLOWCOUNT LOG 0-2" ASPHALT 2 4 O SP-SM 2"-11/14' POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE-MEDIUM, 6 POORLY GRADED SAND, tOX FINES, DARK YELLOW BROWN, NO PRODUCT ODOR, DRY, NO ORGANICS, WEAK CEMENTATION, HOMOGENOUS B 10 O 12 14 . 0 11/14-20' POORLY GRADED SAND (SP) <5X FINE, POORLY GRADED SAND, SP >95% FINES, PALE-MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO 16 ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS 18 20 0 I 20-21/29' SILT WITH SAND (ML) 15% FINE, POORLY GRADED SAND, 85X FINES, 22 NONE-LOW DRY STRENGTH, NONE-SLOW DILATANCY LOW-MEDIUM ML 1 TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO RECOVERY, NO ORGANICS, DRY-MOIST, WEAK 24 CEMENTATION, HOMOGENOUS, IRON OXIDE PRESENT 0 1 26 1 28 21/29-31' SILT (ML <15% FINE, POORLY GRADED SAND >B5% FINES, NONE-LOW NS-SB3-30 0' DRY ST4NGTH, NONE-SLOW DILATANCY, LOW TOUGHNESS LOW ML PLASTICITY, DARK YELLOW BROWN, SLIGHT-MODERATE PRODUCT ODOR, 30 16 MOIST-WET, WEAK CEMENTATION, HOMOGENOUS —32- 34 i _36- 38 40