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.v ASSOCIATES INC 1260 Uafts Drive,Ilodcsto,Ca(damlo,U51 LOG OF BORING S B 1 PROJECT CONTINENTAL GRAIN LOCATION 1805 HARBOR STREET, STOCKTON CA PROJECT NO 62500 0001 DATE DRILLED 10/07/97 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY 047410 DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVE FISCH __ METHOD DIRECT PUSH BORE HOLE DIAMETER 1 5 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 20 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 SURFACE SEAL TYPE CEMENT SLURRY OVER 15% BENTONITE INTERVAL FT TO FT COMMENTS PAGE OF-!1- WELL F1WELL DEPTH FID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL FT BLOWCOUNT LOG 0-14' FILL 2 4 6 FILL 8 10 12 14 14-16/19' SILT (ML) <5% FINE POORLY GRADED SAND >95% FINES LOW 25 CG-SB1-15' TOUGHNESS NO PLASTICITY, DARK GREENISH TO GRAY MODERATE ML PRODUCT ODOR, DRY TO MOIST WEAK CEMENTATION, HOMOGENOUS 16 18 16/19-21/24 POORLY GRADED SAND WITH SILT (SP-SM) >90% FINE POORLY CG-SBI-W GRADED SAND <10% FINES DARK GREENISH TO GRAY STRONG 20 SP-SM PRODUCT ODOR WET WEAK CEMENTATION, HOMOGENOUS 43 CG-SB1-20 22 21/24-255 ELASTIC SILT WITH SAND (MH) -25% FINE, POORLY GRADED SAND, X75% FINES, SLOW DILATANCY, LOW TOUGHNESS, LOW TO MEDIUM 24 MH PLASTICITY, DARK GREENISH TO GRAY, MODERATE PRODUCT ODOR, 1 4 CG-SB1-25 WET, WEAK CEMENTATION, HOMOGENOUS 25 5-26/29' POORLY GRADED GRAVEL WITH SAND (GP) >15% FINE TO COURSE, 26 GP SUBANGULAR TO SUBROUND POORLY GRADED SAND >80% FINE SUBANGULAR TO SUBROUND POORLY GRADED GRAVEL <5% FINES DARK GREENISH TO GRAY NO PRODUCT ODOR WET WEAK 2$ CEMENTATION HOMOGENOUS 26/29-31 POORLY GRADED SAND (5P) >95% FINE POORLY GRADED SAND, SP <5% FINES, DARK GREENISH TO GRAY NO PRODUCT ODOR WET 34 1 4 WEAK CEMENTATION, HOMOGENOUS CG-SBI-30 32- -34- 36- 38 2343638 40