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GROUND ZERO ANALYSIS LOG OF BORING SBS' <br />' PROJECT WILBUR ELLIS LOCATION 212 INDUSTRIAL DRIVE, STOCKTON PROJECT NO 594 <br /> DATE DRILLED 3/3/05_ LOGGED BY JOE VASQUEZ REVIEWED BY GREG STAHL - <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTOLINO METHOD DIRECT PUSH <br />' BORE HOLE DIAMETER 1 1/4 IN DEPTH DRILLED 52 FT DEPTH TO WATER INITIAL 50 FT STATIC _ 35 9 FT_ <br /> CASING TYPE NA DIAMETER — IN SCHEDULE INTERVAL FT TO FT <br /> VR <br /> EEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL -FT TO - - FT <br /> ER PACK TYPE INTERVAL FT TO FT <br />' SURFACE SEAL TYPE NEAT CEMENT GROUT INTERVAL 0 - -FT TO - --52 FT <br /> COMMENTS WATER SAMPLE COLLECTED FROM TEMPORARY WELL CASING PAGE 1 OF-2— <br /> WELL <br /> F2WELL DEPTH PID SAMPLE ID 1 U S C' DESCRIPTION DETAIL FT PPM BLOWCOUNT LOG <br /> 0-7/10' CLAYEY SILT (ML/CL), 5% SND, 95% FNS, L DRY STRGTH, L TGHNESS, <br /> L PLAST, LT BRN, NO ODOR, DRY. <br />' 2 <br /> 4 <br />' ML/CL <br /> 6 01 <br />' <br /> 8 7/10'-22/25' SILT (ML), 5-15% SND, 85-95% FNS, L DRY STRGTH, L TGHNESS, <br /> L-M PLAST, LT BRN, NO ODOR, DRY <br />' <br /> 10 <br /> c� <br /> d1 <br /> 12 <br />' U i <br /> � I <br /> J <br /> —14- <br /> -16 0 1 ML <br /> I <br />' 18- <br /> 20- <br /> 0 1 <br /> 820di � <br /> 22 22/25'-27/30' LEAN CLAY (CL), 5% SND, 95% FNS, L DRY STRGTH, M TGHNESS, <br />' M PLAST, BROWNISH GRY, NO ODOR, DRY <br /> —24- <br /> 26 Q 1 CL <br /> 27/30'-37/40' SILT WITH GRAVEL (ML), 5% SND, 15-20% FN, SR, PRLY GRDD GRYL, <br /> 28 75-80% FNS, L DRY STRGTH, L TGHNESS, M PLAST, BRY/TAN- <br /> OLIVE BRN, NO ODOR, MST <br /> 30 <br /> 01 <br /> 32 <br /> 34 ML <br /> SBF-35 <br /> 36 0 3 Z <br /> 37/40'-47/50' LEAN CLAY (CL), 5% SND, 95% FNS, L-H DRY STRGTH, L-M TGHNESS, <br /> 38 L-M PLAST, OLIVE BRN - GRY/GRN, NO ODOR, DRY-MST <br /> 40 <br />