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ASSOCIATES INC 1117 Imre Pdm Are,U Q Mcdeda,Grata IZI LOG OF BORING S B 12 PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST ANN STREET_ RIPON, CALIFORNIA PROJECT NO 14981 0001 DATE DRILLED — /n1 LOGGED BY JOHN SELLMAN REVIEWED BY JEANNE HOMSEY W410 DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVID FISCH METHOD _DIRECT PUSH TECHNOLOGY DRILLING HOLE DIAMETER 1.5 IN DEPTH DRILLED 30 F7 DEPTH TO WATER : INITIAL 7s•7 FT STATIC FT CASING TYPE -NA DIAMETER IN SCHEDULE INTERVAL FT TO ET SCREEN TYPE MA DIAMETER IN SLOT SIZE IN INTERVAL ET TO FT FILTER PACK TYPE NA INTERVAL FT TO FT SURFACE SEAL TYPE NEAT CEMENT VIA TRENIE uMOD INTERVAL 30 FT TO FT COMMENTS. PAGE I OF- I WELL DEPTH PID SAMPLE 10 UTHOLOGIC DESCRIPTION DETAIL FT PP1r BLOWCOUNT LOG 2 4 7 O SILTY SAND (SM), 7DX POORLY GRADED MEDIUM SAND. 30711 FINES SM 0-5/9' YELI�WISH REED. NO CHEMICAL ODOR NOTED. DRY, WEAK CEMENTATION. 6 HOMOGENOUS e \� ' 10 80 gp 6/9-11/14 POORLY GRADED SAND (5W), OSIL FINE TO MEDIUM SAND, DENSE, 371 FINES, BROWNISH YELLOW. NO CHEMICAL ODOR NOTED; NO ORGANICS, MOIST; WEAK CEMENTATION, HOMOGENOUS 12- -14- 00 21490 ML 11/14--16/19' SANDY SILT (ML); 4DX FINE POORLY GRADED SAND. 6OX FINES. 5812 LOW DRY STRENGTH, LOW TOUGHNESS. NON PLASTIC, STIFF. BROWN, 14-16' NO CHEMICAL ODOR NOTED, NO ORGANICS. MOIST; WEAK CEMENTATION I8 HOMOGENOUS ' 48 i 20 7.5 SPPOORLY GRADED SAND (SP), 1100X FINE TO MEDIUM SAND, 16/19-21/24' LIGHT WEAK CRAY. N TIp CHEMIC AL A DOR NOTED. NO ORGANICS. MOIST, ED 22 24 -\ 6.5 ML 21/24-30' SANDY SILT (IAL). 4OX FINE POORLY GRADED SAND, 6O% FINES. ' 5812 LOW DRY STRENGTH. LOW TOUGHNESS, NON PLASTIC, STIFF, BROWN. 26 24-26NO CHEMICAL DOOR NOTED, NO ORGANICS. MOIST, WEAK CEMENTATION, STRATIFIED ' 2a- 30— 5612—W ' 32 ' 34 36 38 —40