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GROUND ZERO ANALYSIS LOG OF BORING CB1 <br /> PROJECT TULEBURG WAREHOUSE LOCATION 8200 N. HIGHWAY 99, STOCKTON. CA PROJECT NO. 263 <br /> DATE DRILLED 11/2/07 LOGGED BY JOE VASQUEZ REVIEWED BY ERIC L. PRICE, PG 8414 <br /> DRILLING COMPANY —_.._VdcW_.DRILLING DRILLER -RANK RAMIREZ METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 80 FT DEPTH TO WATER ; INITIAL 80 FT STATIC NM FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO F' <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT INTERVAL 0 FT TO 80 FT <br /> COMMENTS: CEMENT DYED BLACK TO MATCH ASPHALT PAGE 1 OF <br /> WELL DEPTH PID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-6.5/10- FAT CLAY CH ; 5% FN, SR, P GRDD SND; 95% FNS; H DRY STRGTH; <br /> H TGHNESS; PLAST; DRK BRN, NO ODOR, ORGANICS, DRY. <br /> 2 <br /> CH <br /> 4 <br /> 12 <br /> 6 4.5 8 <br /> 20 <br /> 6.5/10'-11.5/15' SILT (ML); 10% SND; FN, SR, P GRDD SND; 9D% FNS; M DRY <br /> 8 STRGTH; M TGHNESS; M PLAST; LT BRN, NO ODOR, DRY. <br /> 10 <br /> 1� ML <br /> 0.1 16 <br /> 12 11.5/15'-16' CLAY (CL); 5% FN, SR, P GRDD SND; 95% FNS; M DRY STRGTH; <br /> M TGHNESS; M PLAST; LT BRN, NO ODOR, DRY. <br /> 14 <br /> C81-15CL <br /> 16 0.1 7 ---- <br /> 12 CL 16'-16.5/20' SANDY CLAY (CL); 40% FN, SA, P GRDD SND; 60% FNS; M DRY <br /> STRGTH; M TGHNESS; M PLAST; LT BRN, NO ODOR, DRY. <br /> 18 16.5/20'-31.5/35' SILT (ML); 5% FN, SR, P GRDD SND; 85-95% FNS; L DRY <br /> STRGTH, L TGHNESS; L PLAST; LT BRN, NO ODOR, DRY. <br /> 20 CB1-20 <br /> 287 0.1 SD <br /> 22 <br /> 24 <br /> CB1-25 <br /> 50 25'-26.5' LIGHT GREY STREAKS <br /> 26 0.1 ML <br /> —28- <br /> 30— C91-30 <br /> 0.1 <br /> 21 30'-31.5' WHITE MINERAL DEPOSIT <br /> 50 <br /> 32 31.5/35'-36.5/40' CLAY (CL); 10% FN, SR, P GRDD SND; 90% FNS; L DRY STRGTH; <br /> M TGHNESS; L PLAST; LT BRN, NO ODOR, DRY. <br /> 34 <br /> C131-35 <br /> 16 <br /> — 36 23.5 19 CL <br /> 24 <br /> 36.5/40'-46.5/50' CLAYEY SAND (SC); 70% FN—M, SA—SR, P GRDD SND; 30% FNS; <br /> 38 <br /> LT — REI? BRN, NO ODOR, DRY. <br /> SC <br /> 40 <br />