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' AMSSOCIATES I,, <br /> 1260 Graphics Dw,WWII,CaNno,95351 LOG OF WELL M W 2 <br /> PROJECT _RIPON UNIFED S.D. LOCATION 304 NORTH ACACIA AVENUE. RIPON, CA PROJECT NO 13099.0001 <br /> DATE DRILLED 012799 LOGGED BY TOM LUTTERMAN REVIEWED BY <br /> ILLING COMPANY —Y&.W QRH I INC; INC. DRILLER ROAFRT VICKERY METHOD HQI I QW STEM AUGER <br /> RE HOLE DIAMETER 8 IN DEPTH DRILLED 35 FT DEPTH TO WATER INITIAL 19 FT STATIC ___12_5__E11_ <br />' CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL O F7 TO 14 _FL <br /> SCREEN TYPE _PVC DIAMETER 2 IN SLOT SIZE 0.020 _IN_ INTERVAL 34 FT TO 4 FT <br /> FILTER PACK TYPE —RMC LONESTAR J•3 INTERVAL TO 34 _FL <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL O FT TO — 12 FT <br /> COMMENTS UNTINUOUI_ Oft TO 4 EFET BGS. ,BENTONITE FROM 35 TO 45 FEET BGS PAGE 1 OF__L__ <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION <br /> DETAIL FT (PPM) BLOWCOUNT LOG <br /> 0-2 — Asphalt <br />' 2 <br /> SP—SM 2 —6 POORLY GRADED SAND WITH SILT (SP—SM) 90% FINE—MEDIUM POORLY GRADED <br /> 4 SAND 10% FINES MODERATE YELLOW BROWN NO PRODUCT ODOR NO <br /> ORGANICS DRY-MOIST WEAK CEMENTATION HOMOGENOUS <br /> 6 1 — — <br /> 8 <br /> 10 <br /> 3 <br /> 12 <br /> 14 <br /> = 1 6 4 <br /> 18 6-30 WELL GRADED SAND (SW) >957 FINE-COARSE WELL GRADED SAND <5% <br />' RUSD-MW2-19 SW FINES PALE YELLOW BROWN NO PRODUCT DDDR NO ORGANICS DRY-WET <br /> t r r WEAK CEMENTATION HOMOGENOUS <br /> 20 <br /> = 419 <br />' = 22 <br /> 24 <br /> RUSD-MW2-25 <br /> 929 <br /> 26 <br />' r 30-33 WELL GRADED SAND WITH SILT (SW-SM) 90% FINE-COARSE WELL GRADED <br /> 28 SAND 10% FINES LIGHT OLIVE GRAY MODERATE-STRONG PRODUCT ODOR <br /> WET WEAK CEMENTATION HOMOGENOUS <br /> = RUSD-MW2-30' <br /> 30 284 33-35 LEAN CLAY (CL) <5% FINE POORLY GRADED SAND >95% FINES MEDIUM-HIGH— — <br /> DRY STRENGTH NO DILATANCY MEDIUM TOUGHNESS MEDIUM PLASTICITY <br /> MODERATE YELLOW BROWN NONE-SLIGHT PRODUCT ODOR MOIST WEAK <br /> 32 SW-SM CEMENTATION HOMOGENOUS <br />' 35-38 ELASTIC SILT (MH) <157 FINE POORLY GRADED SAND >85% FINES LOW- <br /> A. 34 CL MEDIUM DRY STRENGTH NONE-SLOW DKiATANCY LOW-MEDIUM TOUGHNESS <br /> LOW PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ODOR MOIST-WET <br /> 3 WEAK CEMENTATION HOMOGENOUS <br /> 36 38-39 SILT WITH GRAVEL (ML) 15% FINE POORLY GRADED SAND >15% FINE GRAVEL <br /> MH <70% FINES LOW-MEDIUM DRY STRENGTH NONE-SLOW DILATANCY LOW <br /> TOUGHNESS LOW PLASTICITY MODERATE YELLOW BROWN NO PRODUCT <br /> ODOR NO ORGANICS WET WEAK CEMENTATION BLOCKY <br /> .'I <br /> ML <br /> 39-40 SILT (ML) <10% FINE SAND >90% FINES LOW-MEDIUM DRY STRENGTH <br /> 40 NONE-SLOW DILATANCY LOW TOUGHNESS NONE-LOW PLASTICITY MODERATE <br /> YELLOW BROWN NO PRODUCT ODOR NO ORGANICS WET WEAK <br /> CEMENTATION HOMOGENOUS <br />' � 42 <br />