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' /y/fIrASSOCIATES INC . • 1260 GrOn Die, Msfn,Cakfomla,95351 LOG OF WELL M W 3 a PROJECT PACIFIC COAST RECREATION LOCATION 3755 MUNFORD AVENUE STOCKTON CALIFORNIA PROJECT NO 16393 0001 DATE DRILLED 11/11198 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 RILLING COMPANY V&W DRILLING DRILLER ROBERT VICKERY METHOD HOLLOW STEM AUGER ORE HOLE DIAMETER 8 IN DEPTH DRILLED 78 5FT DEPTH TO WATER INITIAL 64 Fi STATIC 635—_FT ' CASING TYPE Pvc DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 5B.5 FT SCREEN TYPE Pvc DIAMETER 2 IN SLOT SIZE 0 010 IN INTERVAL 585 FT TO _ 7B5 FT FILTER PACK TYPE RMC LONESTAR NO 3 INTERVAL 565 FT TO 785 FT SURFACE SEAL TYPENEAT_ N V BENTONITE INTERVAL 0 FT TO 565 FT ' COMMENTS PAGE i OF=__2 WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL FT PPM BLOWCOUNT LOG ' 0-4! CONCRETE r 2 4 -6/10' LEAN CLAY (CL) <15% FINE POORLY GRADED SAND, >85% FINES 4 CL NO DILATANCY, LOW-MEDIUM TOUGHNESS MEDIUM PLASTICITY MODERATE YELLOW BROWN, NO PRODUCT ODOR NO ORGANICS 0 25 MOIST, WEAK CEMENTATION, HOMOGENOUS ' 6 sa 8 \ LEAN CLAY WITH SAND (CL) MODERATE YELLOW BROWN CL HOMOGENOUS 10 a 15 18 22 ' 12 11-16 POORLY GRADED SAND WITH SILT (SP-SM) 90% FINE-MEDIUM SP-SM POORLY GRADED SAND, 107 FINES, MODERATE YELLOW BROWN 14 NO PRODUCT ODOR, NO ORGANICS, MOIST WEAK CEMENTATION, HOMOGENOUS 0 1p 16 11 15 CL 16-165/20' LEAN CLAY WITH SAND (CL) 15% FINE SAND, 85% FINES 18 PCR-MW3-205 ' 20 1 1z 20 16 5/20-21 5/25' LEAN CLAY (CL) <15% FINE SAND >85% FINES NO DILATANCY 16 CL MEDIUM TOUGHNESS MEDIUM-HIGH PLASTICITY MODERATE 22 YELLOW BROWN, NO PRODUCT ODOR ORGANICS, MOIST WEAK CEMENTATION CALCITE VEINLETS 1 \ —24— � i 17 26 19 25 25 ' 28 21 5/25-36/40' LEAN CLAY WITH SAND (CL) 20% FINE, POORLY GRADED SAND, 30 1 7 CL 80% FINES NO DILATANCY, MEDIUM TOUGHNESS MEDIUM PLASTICITY, MODERATE YELLOW BROWN NO PRODUCT ODOR, NO e ORGANICS MOIST WEAK CEMENTATION HOMOGENOUS ' 9 —32- 34- - 234 1 33 36 50 38 ' 40