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' Ar ASSMAT ES INC LOG OF WELL MW1 1260 Grt> Urlve,Modesto,Cahfaana,95351 ,6PROJECT �$IPON UNIFIED 5 Q LOCATION 4 NORTH A A IA AV N RIPON CA PROJECT NO 13099 O 1 DATE DRILLED LOGGED BY TOM 3 UTTERMAN REVIEWED BY JEANNE HOMSFY 0,4741 O ILLING COMPANY V&W DRILLING INC. DRILLER ROBERT VICKERY METHOD „JvtQ L0W..STEM AIIGER ORE HOLE DIAMETER a IN DEPTH DRILLED 35 FT DEPTH TO WATER INITIAL ^18 5 FT STATIC 19 5 FT_ CASING TYPE .PVC `— DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 ET TO 13.5 FT SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 13,5 FT TO 33.5 FT FILTER PACK TYPE RMC IONESTAR #3 INTERVAL 12 FT TO 35 FT SURFACE SEAL TYPE _NEAT CEMENT OVER BENTONITE INTERVAL 0 FT_ TO 12 FT ' COMMENTS SLlRGF RI QCKED WFLI PRIOR TO PLACING TRANSITIONAL SEAL PAGE t OF t WELL DEPTV PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL FT PPM BLOWCOUNT LOG ' 0-2 - Asphalt 2 4 5P-SM 4 6 0 4 ' S 2 -65/10 POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE POORLY GRADED SAND 10% FINES MODERATE YELLOW BROWN NO $ PRODUCT ODOR NO ORGANICS DRY-MOIST WEAK CEMENTATION HOMOGENOUS O B tt 13 12 - rr ' 15 1fi 0 18 27 18 —65/10-31 WELL GRADED SAND (SW) >95% FINE-COARSE WELL GRADED SAND 5W ' <5% FINES PALE YELLOW BROWN NO PRODUCT ODOR NO 20 RUSD-MW1-205 �7 ORGANICS DRY-MOIST WEAK CEMENTATION HOMOGENOUS 0 25 _ 30 ' 50 22 2a ' r 0 30 26 a5 50 ' = 28 ' 30 0 20 — , 27 30 31-31 5/34 LEAN CLAY (CL) <15% SAND >85% FINES NO DILATANCY MEDIUM 32 CL TOUGHNESS MEDIUM PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ODOR NO ORGANICS MOIST-WET WEAK CEMENTATION = RusD-MwlHOMOGENOUS 34 355 MH 37 31 5/34-36 ELASTIC SILT WITH SAND (MH) 25% FINE-MEDIUM SAND 75% 40 FINES LOW DRY STRENGTH NONE-SLOW DILATANCY LOW-MEDIUM ' 36 TOUGHNESS LOW-MEDIUM PLASTICITY MODERATE YELLOW BROWN NONE-SLIGHT PRODUCT ODOR NO ORGANICS MOIST-WET WEAK CEMENTATION HOMOGENOUS —38- 42 842