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1 AVASSOCIATES INC <br /> 1260 COW Dne, Wish, C&A rAI LOG OF WELL MW7 ` <br /> PROJECT FARMER PROPERTY LOCATION 610 NORTH HUNTER STREET. STOCKTON. CA PROJECT NO 62596.0001 <br /> DATE DRILLED 3_95–AR LOGGED BY TOM ILRFERMAN REVIEWED BY IEANNF HOMSFY 047410 <br /> \ DRILLING COMPANY VALW DRII I ING INC DRILLER I ARRY DIRBL F METHOD HOLLOW STEM AIICFR <br /> ' BORE HOLE DIAMETER 8 IN DEPTH DRILLED 41 FT DEPTH TO WATER INITIAL ^ 25 FT STATIC 27 FT -- <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 20 FF <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0 020 IN INTERVAL 20 FT YO 40 FT <br /> FILTER PACK TYPE SRI SUPREME SAND NO R INTERVAL 18 FT TO 41 FT <br /> ' SURFACE SEAL TYPE NEAT CEMENT OVER REN70N RE INTERVAL D FT. YO 16 FT <br /> COMMENTS PID BACKGROUND READINGS 0 — 6 ppm - PAGE 1 OF 1 <br /> WELL DEPTH PID SAM LE ID LITHOLOGIC DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> ' O-2' — Asphalt <br /> 2 -- 2 — Rubble (Bricks etc ) <br /> 2 <br /> 4 <br /> CL <br /> 6 4 4 <br /> ' 8 5 2-65/100 SANDY LEAN CLAY (CL) <30% FINE, POORLY GRADED <br /> SAND >70% FINES, NONE—SLOW DILATANCY LOW <br /> TOUGHNESS LOW—MEDIUM PLASTICITY, MODERATE YELLOW <br /> 10 BROWN SLIGHT PRODUCT ODOR NO ORGANICS DRY- <br /> 4 7 MOIST WEAK CEMENTATION, HOMOGENOUS <br /> 12 <br /> 12 <br /> 72 <br /> ' CL <br /> 14 654100- 165/200 LEAN CLAY (CL) < 15% FINE POORLY GRADED SAND <br /> s >85% FINES NO DILATANCY LOW–MEDIUM TOUGHNESS, <br /> (� 1r; 16 6 Zp MEDIUM PLASTICITY MODERATE YELLOW BROWN NO <br /> PRODUCT ODOR NO ORGANICS MOIST WEAK <br /> 18 CEMENTATION HOMOGENOUS <br /> — 20 7 10 <br /> 72 ML <br /> — zs <br /> 22 16 5/20 0-21 5/25 0 SILT (ML) <30% FINE POORLY GRADED SAND >70% <br /> _ FINES, NONE—SLOW DILATANCY LOW TOUGHNESS NONE- <br /> 24 LOW PLASTICITY MODERATE YELLOW BROWN, NO <br /> 310 FP—MW7-255 i7 PRODUCT DOOR NO ORGANICS MOIST WEAK <br /> 26 20 CL CEMENTATION HOMOGENOUS <br /> 22 <br /> i = z <br /> I ' _ 215/25 0-26 5/30 0 SANDY LEAN CLAY (CL) <307a FINE POORLY GRADED <br /> 28 SAND >70% FINES MODERATE YELLOW BROWN SLIGHT <br /> PRODUCT ODOR, NO ORGANICS, MOIST WEAK <br /> — 30 FP—MW/-305 CEMENTATION, HOMOGENOUS <br /> 36 7 <br /> SP—SM <br /> 26 5/30 0-31 5/35 0 POORLY GRADED SAND WITH SILT (SP—SM) 90% FINE- <br /> -_ MEDIUM POORLY GRADED SAND 10% FINES MODERATE <br /> = YELLOW DROWN NO PRODUCT ODOR NO ORGANICS <br /> ' — 34 DRY—MOIST WEAK CEMENTATION <br /> — ltl <br /> 36 6 15 <br /> 24 <br /> '— ML 31 5/35 0-41 0 SANDY SILT (ML) <30% FINE—MEDIUM POORLY <br /> 38 GRADED SAND >70% FINES DARK YELLOW BROWN NO <br /> — PRODUCT DOOR NO ORGANICS DRY—MOIST WEAK <br /> 40 CEMENTATION HOMOGENOUS <br /> s l0 <br /> _ 26 <br /> ' <br /> a <br /> 42 3 <br /> f <br />