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LOG OF BORING SB6 <br /> ' PROJECT TRACY PUBLIC SCHOOLS LOCATION 31_5 EAST ELEVENTH STREET, TRACY CA PROJECT NO 150087 01 <br /> DATE DRILLED 05-_1.3/94 LOGGED BY TOM LUTTERMAN REVIEWED 8Y GREG P. STAHL RG No. 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER JON SUMP METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 6 IN DEPTH DRILLED _ 10 FT DEPTH TO WATER INITIAL __ 85 ET STATIC _ NA FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL — El TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL ET, TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL O FT TO 1t.5 EL <br /> COMMENTS PAGE_1.-OF__l_ <br /> WELL DEPTH PID SAMPLE I USC DESCRIPTION <br /> DETAIL FT (PPM) BLOWCOUNT LOG <br /> 0-0 3' ASPHALT <br /> 03-90, LEAN CLAY WITH SAND, 15% FN, PRLY GRDD SND, 85% FNS H DRY <br /> 2 STRNGTH, N DLTNCY, L-M TGHNSS, M PLST, M YLLW BRN, NPO, <br /> MST, WEAK HCL REACTION, WEAK CEMENTATION, HOMO <br /> 4 0 CL <br /> ' 6 <br /> TPS-SB6-8 0 80-85, CLAYEY SAND, 60% FN, PRLY SND, LS, 40% FNS, OLIVE GRY, M PO, <br /> 8 <br /> MST-WET, N HCL REACTION, WEAK CEMENTATION, HOMO 55 2 Sc <br /> ' Z 8 5-11 5' SILTY SAND, 70% FN-M, PRLY GRDD SND, LS, 30% FNS, OLIVE GRY, <br /> 10 TPS-SB6-11 0 sM NPO, WET, N HCL REACTION, WEAK CEMENTATION, HOMO <br /> 0 1 <br /> z <br /> 3 <br /> 12- <br /> 14- <br /> 16 <br /> 214 16 <br /> _18- <br /> -20- <br /> -22- <br /> 8 2a 22 <br /> D GFO`aC <br /> 24 iip <br /> - GREGORY P. J► <br /> ' 26 STAHL <br /> No. 5023 <br /> ' 28 <br /> qrf OF CA������ <br /> 30- <br /> -32— <br /> _34- <br /> 36— <br /> _38- <br /> - <br /> 032 343638 4a <br />