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1 <br /> WA LOG OF BORING 587 <br /> ' PROJECT TRACY PUBLIC SCHOOLS LOCATION 315 EAST ELEVENTH STREET, TRACY CA PROJECT NO 150087 01 <br /> DATE DRILLED 05/13/94 LOGGED BY TOM LUTTERMAN REVIEWED BY GRFC 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 20.5 FT DEPTH TO WATER INITIAL 8 5 FT STATIC - NA FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO ____ T <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE —_-__ IN INTERVAL FT TO -- FT <br /> FILTERPACK TYPE INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 FT TO ____20.5 EI <br /> COMMENTS PAGE__1_OFA <br /> WELL DEPTH PID SAMPLE ID_ USC DESCRIPTION <br /> FT PPM BLOWCOUNT LOG <br /> 0-05 CONCRETE <br /> 2 <br /> 05-55/75' LEAN CLAY, <15% FN SND >85% FNS M-H DRY STRNGTH, <br /> N OLTNCY, L-M TGHNSS, M PLST, M STIFF, M YLLW BRN, <br /> NPO MST, N HCL REACTION, WEAK CEMENTATION, HOMO <br /> CL <br /> 4 0 3 <br /> 3 <br /> 4 <br /> ' 6 5 5/7 5-9 0/t0 0' CLAYEY SAND 60% FN-M PLRY GRDD SND, V LS, 40% FNS <br /> OLIVE GRY M-STRNG PO MST-WET STRNG HCL REACTION, <br /> TPS-587-8 0 WEAK CEMENTATION CaCO3 VEINLETS <br /> 8 117 11 SC <br /> 3 <br /> TPS-S87-110' 9 0/10 0-11 5/15 SILTY SAND, 60% FN-M, PRLY GRDD SND, LS, 40% FNS, OLIVE <br /> 10 2 2 GRY, N-SL P0, WET, N HCL REACTION WEAK CEMENTATION, <br /> 2 HOMO <br /> ' 3 SM <br /> 12 <br /> 11 5/15-20 5' FAT CLAY, <5% FN, PRLY GRDD SND, >95% FNS, H-VH DRY <br /> STRNGTH, N DLTNCY, H TGHNSS, H PLST, V STIFF-HRD, M <br /> 14 YLLW BRN NPO, MST, N HCL REACTION WEAK CEMENTATION, <br /> 0 HOMO <br /> 73 _ <br /> 46 15 <br /> ' 20 <br /> C <br /> 18 H <br /> ' 20 0 17 <br /> 19 <br /> ' 22 <br /> —24r <br /> ' GREGORY P. <br /> 2s STAHL <br /> No. 5023 <br /> ' 1 <br /> 28— <br /> 30 <br /> OF GA1.1E0�� <br /> ' <br /> 32 <br /> ' 34 <br /> 36 <br /> 3s <br /> 40 <br />