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GROUND ZERO ANALYSIS LAG OF BORING CB1 <br /> PROJECT KNOWLES ROEK LOCATION 102 S WILSON WAY STOCKTON CA <br /> DATE DRILLED 02/23/01 __ LOGGED BY SEAN GARVEY PROJECT NO 329 <br /> — REVIEWED BY GREG P. STAHL <br /> DRILLING COMPANY PRECISION DRILLER TERRY McAD00 METHOD HOLLOW STEM AUGER <br /> ' BORE HOLE DIAMETER 8 IN DEPTH DRILLED 70 FT DEPTH TO WATER INITIAL _ 38 FT STATIC 38 FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO — FT <br /> SCREEN TYPE NA DIAMETER _ IN SLOT S12E IN INTERVAL FT TO _ FT <br /> FILTER PACK TYPE NA INTERVAL FT TO — FT <br /> ' SURFACE SEAL TYPE NAT CEMENT WITH 1% BENTONITE INTERVAL 0 FT TO7_0 FT <br /> COMMENTS PAGE I- OFA_ <br /> WELL DEPTH PID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPW BLOWCOUNT LOG <br /> ' 0-033, ASPHALT <br /> 2 0 33-11/14 5' CLAYEY SAND (SC) 70% FN, A SND, 30% FNS, <br /> V DNS, BRN, NAD, MST <br /> ' 4 <br /> SC <br /> ' 6 <br /> 8 <br /> ' 10 0 15 <br /> 48 <br /> 50 <br /> ' 12 <br /> 11/14 5-16/19 5' SILTY CLAY (CL/IAL) 5-10x FN, A SND, 90-95y FNS, <br /> KR—C81--15' M—H DRY HRD, BRN,NPOGTUSTN—SLW DLTNCY, M TGHNSS M PLST <br /> 14 <br /> '• 30 <br /> 1 50 <br /> 16 CL/ML <br /> ' 1$ 16/19 5-21/24 5 SILT (ML) 5-10% FN, A SND, 90-957 FNS, N DRY <br /> KR—C91—20' STRNGTH, R DLTNCY L TGHNSS N PLST, HRO BRN <br /> NPO MST <br /> 20 1 50 ML <br /> 22 <br /> KR—C81-25' 21/245-31/345' LEAN CLAY (CL) 0-5R FN, A—R SND, 95-100% FNS, H <br /> 24 DRY STRNGTH N DLTNCY M—H TGHNSS M—H PLST HRO <br /> 27 BRN, NPO, MST <br /> 2 48 <br /> ' -26—: 50 <br /> 2$ CL <br /> ' KR—CBI-30' <br /> 30 1 53 SAMPLE COLLECTED FOR PHYSICAL PARAMETERS <br /> ' 32 <br /> 34 KR—CB1-34' <br /> 1 17 <br />� gp 31/34 5-41' ELASTIC SILT (MH) 0-57C FN, A SNb, 95-10D7. FNS, <br /> • 36 N—L DRY STRNGTH, SLW—R DLTNCY, L—M TGHNSS, N—L <br /> MH PLST, HRO TO V STIFF, BRN, N TO SL P0, MST—WET <br /> ' 38- <br /> -1 <br /> B 40 12 <br />