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' ASSOCIATES INC <br /> IIII LNPihA%Shektlomku m4ml LOG OF BORING SB10 <br /> PROJECT VAN DYKEN PROPERTY LOCATION 215 WEST MAIN STREET, RIPON. CALIFORNIA PROJECT NO. 14951.OD01 <br /> DATE DRILLED _ABI12/91 t 10/0S/01 LOGGED BY JOHN SKLLMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTOLINO METHOD DIRECT PUSH TECHNOIAGY _ <br /> ' BORE HOLE DIAMETER 1.5 IN DEPTH DRILLED 21 FT DEPTH TO WATER INITIAL FT STATIC El <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN <br /> SCREEN TYPE NA DIAMETER IN SLAT SIZE IN INTERVAL FT TO ----�_-IZ <br /> FILTER PACK TYPE -NA _ ._ _..,__.._,_„__ - INTERVAL _ _ FT TO FT <br /> ' SURFACE SEAL TYPE REAL-CEMENT VIA TREMIE METHOD - - INTERVAL 21 FT TO FT <br /> COMMENTS REFUSAL ENCOUNTERED AT 21 FEET BELOW GROUND SURFACE. PAGE.-._OF-J- <br /> WELL DEPTH PID SAMPLE 10 LITHOLOGICDESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 12- ASPHALT <br /> ' 4 <br /> 1 B - POORLY GRADED SAND (SP), 10OX FINE TO MEDIUM SAND. DENSE, <br /> SW 2 -6/9.. YELLOWISH RED,. NO CHEMICAL ODOR NOTED; NO ORGANICS, DRY. <br /> ' S WEAK CEMENTATION; HOMOGENOUS <br /> B \� <br /> 10 1.4 SP 8/9-11/14' POORLY GRADED SAND (SP). 9OX FINE TO MEDIUM SAND. DENSE. <br /> 1DX FINES, YELLOWISH RED. NO CHEMICAL ODOR NOTED, MOIST, <br /> WEAK CEMENTATION. HOMOGENOUS <br /> ' 12 \ <br /> 14 <br /> 1 B SP 1l/14'-16/19' POORLY GRADED SAND (SP)-. 1DOX FINE: SAND. DENSE. LIGHT GRAY <br /> 5810 NO CHEMICAL ODOR. NOTED. MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 15 14-16' <br /> 18 \� <br /> ' 20 14 POORLY. SAND (SP). <br /> SAND. DENSE. <br /> SB10 SP LIGHT GRAY; NO MICALODOR NOTED,9SX FINE OORGANICS: MIST. WEAK <br /> 1 <br /> 9-21' 18/19-21 CEMENTATION. HOMOGENOUS <br /> 22 SBIO-W <br /> ' 24 <br /> ' -26- <br /> -211- <br /> -30- <br /> 32- <br /> 34- <br /> -36- <br /> 38 <br /> 25 283Q32343538 <br />