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GROUND ZERO ANALYSIS <br /> LOG OF BORING C82 <br /> ' PROJECT KNOWLES ROEK LOCATION 102 S WILSON WAY, STOCKTON CA PROJECT NO 329 <br /> DATE DRILLED 02/21/01 LOGGED BY SEAN GARVEY REVIEWED BY GREG P STAHL RG No 5023 <br /> DRILLING COMPANY PRECISION DRILLER TERRY McADOO METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER a IN DEPTH DRILLED 61 FT DEPTH TO WATER INITIAL 38 FT STATIC 38 FT <br /> ' CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO El <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IbL INTERVAL FT TO FT <br /> FILTER PACK TYPE NA - INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT WITH 1% BENTONITE INTERVAL 0 FT TO 61 FT <br /> COMMENTS PAGE I OF-2— <br /> WELL <br /> FAWELL DEPTH PID SAMPLE lb U S C DESCRIPTION <br /> DETAIL g (PPM) SLOWCOUNT LOG <br /> 1 2 <br /> i <br /> 6 <br /> ' 8 0-29 5 NOT LOGGED <br /> NOT <br /> ' LOGGED <br /> 10 <br /> ' —12- <br /> -14- <br /> 16-- <br /> -20- <br /> --22'. 16 <br /> i 16 <br /> 2a <br /> ' 22 <br /> 24 <br /> ' 26 <br /> 28 <br /> ' KR—CB2-30' <br /> 30 057 <br /> 50 29 5-31/36 5' LEAN CLAY WITH SAND (CL) 15-20% FN A SNO 80-85% <br /> CL FNS, M—H DRY STRNGTH, N—SLW DLTNCY, M—H TGHNSS, <br /> 32 M—H PLST, HRD, GRN, NPO, MST <br /> 34 31/36 5-38/44 5' SILT (ML) 0-5% FN, A SND, 95-100% FNS, N DRY <br /> ' STRNGTH, R DLTNCY, L TGHNSS, N PLST, V STIFF, BRN, <br /> MPD, MST <br /> 36 KR—C82-37 <br /> ' <br /> 15 4 16 ML <br /> —38- 22 <br /> ' 40 <br />