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I' AWSSOCIATES INC • <br /> 1264 Grapha Dme,Wo,Calfamlq 95351 <br /> LOG OF WELL MW2 <br /> PROJECT PACIFIC COAST RECREATION LOCATION 3755 MUNFORO AVENUE STOCKTON CALIFORNIA PROJECT NO 16393 0001 <br /> ,DATE DRILLED 11/10/98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> ILLING COMPANY YAW_PRILUNG _ DRILLER ROBERT VICKERY METHOD HOLLOW STEM AUGER <br /> RE HOLE DIAMETER —,a IN DEPTH DRILLED 86 5FT DEPTH TO WATER INITIAL 64 FT STATIC __635 5._ FT <br /> ' CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 58.5 FT <br /> SCREEN TYPE PyC DIAMETER —_2JN SLOT SIZE 0010 IN INTERVAL 585 FT TO 785 FT <br /> FILTER PACK TYPE RMC LONESTAR NO 3 INTERVAL 565 FT TO 785 FT <br /> ' SURFACE SEAL TYPE NEAT CEMENT OVER BENTONME INTERVAL 0 FT TO 56 5 FT <br /> COMMENTS BENTONITE PELLETS PLACED FROM 785 TO 865 FEET 13GS PAGE 1 017_,:3___ <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-6 CONCRETE <br /> 2 <br /> 6 -6/10' SILT WITH SAND (ML) 207 FINE POORLY GRADED SAND, 80% <br /> 4 ML FINES NONE-LOW DRY STRENGTH SLOW-RAPID DILATANCY, LOW <br /> TOUGHNESS NONE-LOW PLASTICITY, PALE YELLOW BROWN NO <br /> 0 25 PRODUCT ODOR NO ORGANICS DRY-MOIST, WEAK CEMENTATION, <br /> 6 50 <br /> 8 <br /> 10 0 15 <br /> 18' CL 6/10-16 LEAN CLAY (CL) <15% FINE POORLY GRADED SAND, >85%12 FINES, NO DILATANCY LOW TOUGHNESS MEDIUM PLASTICITY LIGHT <br /> BROWN, NO PRODUCT ODOR NO ORGANICS MOIST, WEAK <br /> CEMENTATION <br /> 14 <br /> PCR-MW2-155 <br /> 7 <br /> 16 140 7 <br /> 8 <br /> SP 16-165/20' POORLY GRADED SAND (SP) >95% FINE-MEDIUM POORLY GRADED <br /> ' <br /> 18 SAND, <10% FINES, DARK GRAY, MODERATE PRODUCT ODOR, NO <br /> ORGANICS, DRY-MOIST WEAK CEMENTATION, HOMOGENOUS <br /> PCR-MW2-20 5 <br /> 20 <br />' 1496 5 <br /> 10 <br /> 18 <br /> 22 <br /> 16 5/20-26 5/30 WELL GRADED SAND WITH SILT (SW-SM) 907 FINE-COARSE <br /> 24 SW-SM WELL GRADED SAND, 10% FINES DARK GRAY STRONG PRODUCT <br /> ODOR ORGANICS, MOiST WEAK CEMENTATION, HOMOGENOUS <br /> 2356 19 <br /> 26 21 <br /> 30 <br /> —28- <br /> 30 <br /> 448 19 CL <br /> 20 26 5/30-31 5/35 LEAN CLAY (CL) <10% FINE POORLY GRADED SAND, >90% <br /> 32 FINES HIGH DRY STRENGTH NO DILATANCY, LOW-MEDIUM <br /> TOUGHNESS, MEDIUM-HIGH PLASTICITY, MODERATE YELLOW <br /> BROWN, MODERATE-STRONG PRODUCT ODOR NO ORGANICS, MOIST <br /> \ WEAK CEMENTATION, HOMOGENOUS, CALCITE VEINLETS <br />' 34 <br /> 1820 19 <br /> 36 23 CL <br /> 39 31 5/35-36 5/40 LEAN CLAY WITH SAND (CL) 15% FINE-MEDIUM, POORLY GRADED <br /> SAND, 85% FINES NO DILATANCY LOW-MEDIUM TOUGHNESS <br /> 38 LOW-MEDIUM PLASTICITY MODERATE YELLOW BROWN MODERATE- <br /> STRONG PRODUCT ODOR NO ORGANICS, DRY-MOIST <br /> WEAK CEMENTATION, HOMOGENOUS CALCITE VEINLETS <br />' 40 <br />