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' ASSOCIATES lNC <br /> 130 GropErrs Ome,IbdesWo,Cog ma,95351 LOG OF WELL M W 6 <br /> PROJECT F RW[R PROPERTY LOCATION 610 NORTH HUUTFR ZEEEJ 51OCKTON. CA PROJECT NO <br /> DATE DRILLED 3-25-98 LOGGED BY_TOM IUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> DRILLING COMPANY VhrW DRII I I (N , INC.., DRILLER LARRY DIBBLE METHOD HOLLOW STEM AUGER– <br /> BORE HOLE DIAMETER R IN DEPTH DRILLED 41 FT DEPTH TO WATER INITIAL –25 FT STATIC 23 _ FT <br /> ' CASING TYPE PVC –_ DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 21 FT <br /> SCREEN TYPE PVC _ DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 21 FT TO _ 41– ET <br /> FILTER PACK TYPE _ SRI SUPREME SAND NO. B INTERVAL _ 1 q FT TO 41 FT <br /> SURFACE SEAL TYPE MEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 19 - FT <br /> ' COMMENTS PID BACKGROUND READINGS 0 – 4 ppm PAGE?OF <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION <br /> DETAILFT (PPM) BLOWCOUNT LOG <br /> ' 0-2" – Asphalt and Concrete <br /> 2 <br /> CL <br /> ' 4 <br /> 61 <br /> 6 2 11 <br /> ' 17 <br /> 2--65/100 SANDY LEAN CLAY (CL) >30% FINE POORLY GRADED <br /> 8 SAND <707. FINES NONE-SLOW DILATANCY LOW <br /> TOUGHNESS LOW-MEDIUM PLASTICITY DUSKY YELLOW <br /> ' BROWN NO PRODUCT ODOR NO ORGANICS MOIST <br /> 14 2 t t WEAK CEMENTATION HOMOGENOUS <br /> ig CL <br /> 24 6 5/10 0-11 5/15 0' LEAN CLAY (CL) <15% FINE POORLY GRADED SAND <br /> 12 >85% FINES NO DILATANCY MEDIUM TGHNESS MEDIUM <br /> ' PLASTICITY MODERATE YELLOWISH BROWN, NO PRODUCT <br /> ODOR NO ORGANICS MOIST WEAK CEMENTATION <br /> 14 HOMOGENOUS <br /> 16 2 8 SP <br /> 17 11 5/15 0-16 5/20 0' POORLY GRADED SAND (SP) >95% FINE POORLY <br /> GRADED SAND <5% FINES MODERATE YELLOWISH <br /> 18 BROWN NO PRODUCT ODOR NO ORGANICS DRY– <br /> ' MOIST WEAK CEMENTATION HOMOGENOUS <br /> —20— e <br /> 2 9 SW-5M <br /> s T 12 16 5/20 0-21 5/25 0 WELL GRADED SAND WITH SILT AND GRAVEL (SW-SM) <br /> 22 50% FINE TO COARSE WELL GRADED SAND 30% FINE <br /> Z GRAVEL 10% FINES GRAYISH BLACK NO PRODUCT <br /> ` — ODOR DRY–MOIST WEAK CEMENTATION HOMOGENOUS <br /> —24- <br /> 4 <br /> 44 ° <br /> Y26 6 5W 21 5/25 0-26 5/30 0 WELL GRADED SAND (SW) >95% FINE TO COARSE <br /> WELL GRADED SAND, <5% FINES GRAYISH BLACK <br /> � 28 <br /> FP—WW6-305 <br /> 5M <br /> f 4 26 5/30 O– <br /> 31 5/35 0 SILTY SAND (SM) <85% FINE, POORLY GRADED SAND <br /> 32 >15% FINES, GRAYISH BLACK, SLIGHT–MODERATE <br /> `— PRODUCT ODOR NO ORGANICS MOIST–WET WEAK <br /> ' = CEMENTATION HOMOGENOUS <br /> 34 <br /> 2 $ OL–OH 31 5/35 0-36 5/40 O ORGANIC SOIL WITH SAND (OL–OH) <10% FINE– <br /> _36— 14 MEDIUM SAND >90% FINES GRAYISH BLACK, NO <br /> PRODUCT ODOR ORGANICS, MOIST–WET, WEAK <br /> CEMENTATION, WOOD FRAGMENTS AND PEAT PRESENT <br /> 38 <br /> 36 5/40 0-41 5' SANDY SILT (ML) >307. FINE POORLY GRADED SAND <br /> ti <70% FINES NONE–LOW DRY STRENGTH NONE–SLOW <br /> L <br /> 40 14 DILATANCY LOW TOUGHNESS NONE–LOW PLASTICITY <br /> 2 27 ML MEDIUM DARK GRAY, NO PRODUCT ODOR MOIST–WET <br /> 34 WEAK CEMENTATION, HOMOGENOUS <br /> ' 42 <br />