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( fllCASSOCIATES INC. LOG OF BORING SBS 1 j 1117 fare Palm Atenue,Suite B,Modesto,Cafifamio,95351 PROJECT SMITH CANAL PUMPING PLANT LOCATION 2144 FONTANA AVENUE, STOCKTON, CALIFORNIA PROJECT N0. 62574.4002 DATE DRILLED 09/17/99 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTOLINO METHOD DIRECT PUSH TECHNOLOGY i BORE HOLE DIAMETER T'S _-__ I1L DEPTH DRILLED 30 FT DEPTH TO WATER INITIAL 17.a FT STATIC _ FT CASING TYPE NA DIAMETER — IN SCHEDULE INTERVAL FT TO FT SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO __�_ FT FILTER PACK TYPE NA INTERVAL FT TO FT 'r SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL o FT TO 30 FT COMMENTS: ADVANCED AND EXPOSED SCREEN FROM 16-20 FEET TO COLLECT WATER SAMPLE PAGE I OF 1 WELL DEPTH PID SAMPLE ID LITHOLOGIC E DETAIL FT. PPM BLOWCOUNT LOG DESCRIPTION f''>f 0-2„ ASPHALT 2 GP 2"-3' POORLY GRADED GRAVEL (ROAD BASE) (GP): <45% FINE-COARSE SAND, 50% COARSE, POORLY GRADED GRAVEL, <5% FINES, MODERATE BROWN, NO PRODUCT ODOR, ORGANICS, DRY-MOIST, WEAK CEMENTATION, 5 HOMOGENOUS 4 I sc-sett-e.o _10— C 0CL 3-20' LEAN CLAY (CL): <15% SAND; >95% FINES, MEDIUM—HIGH DRY a STRENGTH, NONE—SLOW DILATANCY, MEDIUM TOUGHNESS, LOW—MEDIUM 6 PLASTICITY, DARK GREENISH—GRAY, NONE—STRONG PRODUCT ODOR, 12 NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS —14— SC—SB 11-15.5 14SC—SB11-15.5 16 50 18 50 { —20- 22— 6MH 2O-24/26' ELASTIC SILT (MH): 10% FINE, POORLY GRADED SAND; 90% FINES, MEDIUM DRY STRENGTH, NONE—SLOW DILATANCY, LOW TOUGHNESS r I DARK GREENISH—GRAY, SLIGHT—MODERATE PRODUCT ODOR, 24 sc-sett-zs.s MOIST-WET, WEAK CEMENTATION, HOMOGNEOUS —26— SP 6SP 24/26-30' POORLY GRADED SAND (SP)_ >95X FINE POORLY GRADED SAND; <5% FINES, DARK GREENISH—GRAY, NONE—SLIGHT PRODUCT ODOR, NO r -i ORGANICS, WET, WEAK CEMENTATION, HOMOGENOUS 30 6 --i 32 —34- 36- -.38 43638 j 40