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ASSOCIATES INC ' IM(00z k-t-kddA C 90a,9WI LOG OF WELL MW2 PROJECT_ VAN_QYKEN PROPERTY LOCATION 215 .WE5LMAIN-STREET. RIPON. CA„ PROJECT NO 14281-12001 DATE DRILLED 021899 LOGGED BY--TOM-LUTTERMAN REVIEWED BY JEANNE HOMSEY 047410-- DRILLING COMPANY _y,&W ORII I iNr INr-' DRILLER METHOD HOLT OW STEM AUGER BORE HOLE DIAMETER --8 IN DEPTH DRILLED 39 FT DEPTH TO WATER INITIAL 27 FT STATIC SEL CASING TYPE _- PVC DIAMETER _ 2 IN SCHEDULE 4— INTERVAL 0 FT TO 18.5 FF SCREEN TYPE EVCDIAMETER -2 IN SLOT SIZE _DQ2D____jbL INTERVAL is-5 � ET TO _ 38.5 FT FILTER PACK TYPE INTERVAL i FLS_ ET TO 3A.5 FT ' SURFACE SEAL TYPE NEAT CEMENT OVER-BENTONITE INTERVAL 0 _ FT TO _ 16.5 FT COMMENTS PAGE 1 OF WELL DEPTH PID SAMPLE ID UTHOLOGIC DESCRIPTION RETAIL FT PPA! BLOWCOUNT LOG 0-2" - Aspflan 2 ' 4 SM 2'-6 5/10' SILTY SAND (SM) <85X FINE-MEDIUM POORLY GRADED SAND S >15% FINES MODERATE YELLOW BROWN NO PRODUCT DOOR, DRY- ' 6 .35 4 MOIST WEAK CEMENTATION HOMOGENOUS S 8 \ to 35 7 8 to ' 12— 5P 65/40-155/20 POORLY GRADED SAND (SP) >959 FINE-MEDLUM POORLY GRADED 14 SAND <5X FINES PALE YELLOW BROWN NO PRODUCT ODOR 10 DRY-MOIST WEAK CEMENTATION HOMOGENOUS 16 35 12 15 i ' 18 —20- 35 30 165/20-215/20 ELASTIC SILT WITH SAND (MH) >15% FINE-MEDIUM, POORLY GRADED ' I 36 MH SAND, <85X FINES. LOW-MEDIUM DRY STRENGTH, NONE-SLOW 22 DILATANCY LOW TOUGHNESS LOW-MEDIUM PLASTICITY MODERATE YELLOW BROWN NO PRODUCT DOOR MOIST, WEAK CEMENTATION, HOMOGENOUS ' - —24- 215/25-26' WELL GRADED SAND (SW) >95X ONE-COARSE, WELL GRADED SAND 3 5 25 SW <5X FINES, PALE-MOOERATE YELLOW BROWN NO PRODUCT ODOR, _ 26 30 WET WEAK CEMENTATION HOMOGENOUS 31 CL Q 26-26 5/30' LEAN CLAY WITH SAND (GL) <15X FINE-MEDIUM POORLY GRADED _ 28 SAND >85X FINES NO DRY STRENGTH LOW-MEDIUM TOUGHNESS j MEDIUM PLASTICITY, MODERATE YELLOW BROWN NO PRODUCT — NSI-MW2-30 5 ODOR NO ORGANICS MOIST-WET, WEAK CEMENTATION, HOMOGENOUS 30 9 t3 31 $o SM 26 5/30-31 5/35 SILTY SAND (SM) <85X FINE-COARSE SAND >15X FINES 32MODERATE YELLOW BROWN, NONE-SLIGHT PRODUCT ODOR, NO ' ' \ ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS 34 \ \ 4 D 3t SM 31 5/35-36 5/38' SILTY SAND (SM) 60% FINE POORLY GRADED SAND 40% FINES, ' t 36 33 T) MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS 38 35 CL 365/38-39 LEAN CLAY (CL) <SX FINE POORLY GRADED SAND >95X FINES 3 5 45 HIGH DRY STRENGTH NO DILATANCY MEDIUM TOUGHNESS, MEDIUM PLASTICITY, MODERATE YELLOW BROWN NO PRODUCT ODOR NO 4D ORGANICS, WEAK CEMENTATION HOMOGENOUS ' 42