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p ' ASSOCIATES INC LOG OF WELL MW6 130 Gapha elle, Wdp(o, faNamw, 95351 PROJECT FARMER PROPERTY LOCATION 610 NORTH HUNTER STREET. STOCKTON CA PROJECT NO 62596.0001 DATE DRILLED 1-95-98 LOGGED BY TOM IUTTFRMAN REVIEWED BY JEANNF HOMSFY 0.47410 DRILLING COMPANY Vlr.W DSII I INC INC DRILLER I ARRY DIRRI F METHOD HOI I OW STFM AUGER BORE HOLE DIAMETER 8 IN DEPTH DRILLED 41 FT DEPTH TO WATER INITIAL ^ 25 FT STATIC 93 FT CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 ET TO 71 FY SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0 020 IN INTERVAL 21 FT TO 41 FT FILTER PACK TYPE SRI SUPREMF SAND NO. A _ INTERVAL 19 FT TO 41 FT t SURFACE SEAL TYPE NEAT CEMENT' OVER BENTONITE INTERVAL D FT 7p 19 FT COMMENTS PID BACKGROUND READINGS 0 — 4 nom PAGE 1 OF, WELL DEPTH PID UTHOLOGIC DESCRIPTION DETAIL FT PPM BLOWCOUNT LOG t 0-2" — Asphalt and Concrete 2 CL ' 4 6 6 2 11 n Y -65/100 SANDY LEAN CLAY (CL) >307. FINE POORLY GRADED e SAND <70% FINES NONE-SLOW DILATANCY LOW TOUGHNESS LOW-MEDIUM PLASTICITY DUSKY YELLOW l0 BROWN NO PRODUCT ODOR NO ORGANICS MOIST 21 CL WEAK CEMENTATION HOMOGENOUS /9 24 65/100- 115/150' LEAN CLAY (CL) < 15% FINE POORLY GRADED SAND 12 >85% FINES NO DILATANCY MEDIUM TGHNESS MEDIUM PLASTICITY MODERATE YELLOWISH BROWN, NO PRODUCT 14 ODOR NO ORGANICS MOIST WEAK CEMENTATION HOMOGENOUS 16 2 Bt SP 17 11 5/75 0-16 5/20 O' POORLY GRADED SAND (SP) >95% FINE POORLY GRADED SAND <5% FINES MODERATE YELLOWISH ' t8 BROWN NO PRODUCT ODOR NO ORGANICS DRY- MOIST WEAK CEMENTATION HOMOGENOUS 20 a 2 9 SW-SM 165/200 -215/250 WELL GRADED SAND WITH SILT AND GRAVEL (SW-SM) 22 50% FINE TO COARSE WELL GRADED SAND 30% FINE t GRAVEL 10% FINES GRAYISH BLACK NO PRODUCT ODOR DRY-MOIST WEAK CEMENTATION HOMOGENOUS ' — 24 4 4 Q si 26 6 21 5/25 0-26 5/30 0 WELL GRADED SAND (SW) >95% FINE TO COARSE WELL GRADED SAND, <5% FINES GRAYISH BLACK 28 FP-W6,305 36 3 SM — ` y 26 5/30 0-31 5/35 0 SILTY SAND (SM) <85% FINE, POORLY GRADED SAND 64 32 >15% FINES, GRAYISH BLACK, SLIGHT-MODERATE ' = PRODUCT ODOR NO ORGANICS MOIST-WET WEAK 41 CEMENTATION HOMOGENOUS 34 z 4. 2 g OL-OH 31 5/350-365/400 ORGANIC SOIL WITH SAND (OL-OH) <10% FINE- ' _ —36 . µ MEDIUM SAND > 90% FINES GRAYISH BLACK, NO PRODUCT ODOR ORGANICS, MOIST-WET, WEAK CEMENTATION, WOOD FRAGMENTS AND PEAT PRESENT 3B 365/400-41 5' SANDY SILT (ML) >30% FINE POORLY GRADED SAND <70% FINES NONE-LOW DRY STRENGTH NONE-SLOW 40 DILATANCY LOW TOUGHNESS NONE-LOW PLASTICITY 14ML MEDIUM DARK GRAY, NO PRODUCT ODOR MOIST-WET 2 27 34WEAK CEMENTATION, HOMOGENOUS ' 42