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' /WASSOCIATES INC LITHOLOGiC pE$CRIPTION 1260 Gra0a Dire, Modesto, Woma, Ml FT LOG OF BORING S B 8 PROJECT RIPON UNIFIED SCHOOL DISTRICT LOCATION 304 NORTH ,ACACIA AVENUE. RIPON, CALIFORNIA PROJECT NO 13099 0001 DATE DRILLED 09 21 98 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 KILLING COMPANY FISCH ENVIRONMENTAL _ DRILLER RICK BERIQUbIg METHOD DIRECT PUSH 0 ORE HOLE DIAMETER 1 5 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 20 FT STATIC FT TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT 'CASING SCREEN TYPE NA DIAMETER _ 1N SLOT SIZE IN INTERVAL ET- TO FT FILTER PACK TYPE NA INTERVAL FT_ TO FT SURFACE SEAL TYPE CEMENT SLURRY OVER 157 BENTONITE INTERVAL TO -- ITT COMMENTS PAGE ! OF I WELL DEPTH PID SAmPLE ID GRADED SAND, 107 FINES MODERATE YELLOW BROWN NO PRODUCT LITHOLOGiC pE$CRIPTION DETAIL FT PPM BLOWCOUNT LOG 0 — 1" ASPHALT 2 4 SP—SM 1" — 10' POORLY GRADED SAND WITH SILT (SP—SM) 90% FINE POORLY 1 GRADED SAND, 107 FINES MODERATE YELLOW BROWN NO PRODUCT ODOR, DRY, WEAK CEMENTATION, HOMOGENOUS, NO ORGANICS 6 8 1 _10- 01210-16/19 -12- 10-16/19WELL GRADED SAND (SW) >95% FINE—COARSE WELL GRADED SW SAND <5% FINES MODERATE YELLOW BROWN NO PRODUCT ODOR DRY—MOIST WEAK CEMENTATION HOMOGENOUS NO ORGANICS i4 1 16 18 S88—W 20 2 SB8-20' 16/19-31' POORLY GRADED SAND (SP) >95% FINE—MEDIUM POORLY GRADED 22 SP SAND <5% FINES MODERATE YELLOW BROWN—MEDIUM DARK GRAY NONE—SLIGHT PRODUCT ODOR NO ORGANICS WEAK CEMENTATION HOMOGENOUS 24 MODERATE—STRONG PRODUCT ODOR AT 24 SB8-25' 528 26 28 NO SAMPLE COLLECTED 29 —31 30 32 34 36 38 An