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�= LOG OF BORING S131 <br /> ' PROJECT TRACY PUBLIC SCHOOLS LOCATION 315 EAST ELEVENTH STREET TRACY CA PROJECT NO 15008701 <br /> DATE DRILLED 05/13/94 LOGGED BY TOM LUTTERMAN REVIEWED BY GREG-P- Stem RC Nn. 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER JON SUMP METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER _ 6 IN DEPTH DRILLED 2 FT DEPTH TO WATER INITIAL 8 5 FT STATIC NA FY <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL Er TO FT <br /> SCREEN TYPE NA DIAMETER 1N SLOT SIZE IN INTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FL TO <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 FT TO SEL <br /> COMMENTS PAGE I OFA_ <br /> WELL DEPTH PIA SAMPLE ID U S C DESCRIPTION <br /> ' DETAIL FT PPM BLOWCOUNT LOG <br /> 0-0 3' ASPHALT <br /> 2 0 3-5 5/7 5' LEAN CLAY <107. FN PRLY GRDD SND >909. FNS H DRY <br /> 1STRNGTH N OLTNCY M TGHNSS M—H PLST, STIFF, DRK YLLW <br /> CL BRN, NPO, MST N HCL REACTION WEAK CEMENTATION, HOMO <br /> 4 0 TPS—SBI-4 5 <br /> t <br /> 8 <br /> 8 <br /> g 5 5/7 5-9 0' LEAN CLAY WITH SAND, 159. FN—M, PRLY GRDD SND, 859. FNS, <br /> � M DRY STRNGTH, N pLTNCY, L—M TGHNSS, M PLST, M STIFF, <br /> TPS-581-8 0 M YLLW SRN, NPO, MST—WET, N HCL REACTION, WEAK CEMENTATION, <br /> HOMO <br /> g 2 CL <br /> 0 <br /> 2 <br /> 4 <br /> _10— <br /> _12_ <br /> 14 _ <br /> 16 <br /> ' 18 <br /> ' 20- <br /> 22- <br /> - <br /> 022 <br /> GREGORY P. <br /> —24 - STAHIL <br /> ' No 5023 <br /> 26 <br /> i <br /> Ga��Fp4 <br /> ' 28 ' <br /> ' 30- <br /> -32- <br /> 34-- <br /> 36- <br /> 38- <br /> 40 <br /> 03234363840 <br />