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C®® W'�` VELL/BORING LGG PROJECT REEVES EX LOCATION 2360 EAST STREET TRACY CA PROJECT NO W0328 WEU./BORING NO MW2 SURFACE ELEVATION - -- NS - FT WELLHEAD ELEVATION NS FE DATE DRILLED 1271-7/91 REVIEWED BY GREG STAHL RG NO 5023 LOGGED BY LOIS FRANTZ DRILLING COMPANY EXCELTECH DRILLER GENENU_NES/STEVE_MULINS METHOD HOLLOW STEM AUGER ' BORE HOLE DIAMETER - 8 IN DEPTH DRILLED 20 DEPTH TO WATER INITIAL 7 FT STATIC 699 FT- CASING TYPE PVC FASO DIAMETER 4 IN SCHEDULE 40 INTERVAL D FT TO 5FT SCREEN TYPE PVC F430 DIAMETER 4 -IN_ SLOT SIZE 0 010 IN INTERVAL a FT TO 20 FT_ FILTER PACK TYPE 2/12 SILICA SAND INTERVAL 4 FT TO 20 FT_ ' SURFACE SEAL TYPE CEMENT/SAND SLURRY _ _ _ _ INTERVAL _ 0 FT- TO 3 5 FT NOTES 6" BENTONITE PLUG ABOVE SAND PACK WELL DEPTH PID SAMPLE ID U S G DETAIL (FE) (PPM) BLOWCOU LOG SOIL DESCRIPTION Q 0-3" ASPHALT 3"-6 5/10' SANDY SILT <40% SA-SR, FN-CRS W GRDD SND <10% SA-SR 2 FN-M W GRDD GRVL >50% FNS, L-M DRY STRNGTH R DLTNCY, L TGHNSS, L PLST, STIFF-V STIFF OLIVE CRY, STRNG PO; MST, STRNG HCL REACTION WEAK CEMENTATION, HOMO — 4 921 MW2-5 5 ML T 6 10 16 = 8 765/110--lo 5' LEAN CLAY WITH SAND, <25% SA-SR, FN-M, PRLY GRDD SND, >75% FNS, H-VH DRY STRNGTH SLW DLTNCY L TGHNSS L PLST, STIFF, M YLLW BRN N-SL PO MST-WET N HCL 10 14 CL REACTION, WEAK CEMENTATION, HOMO 5 7 10 5-11 5/15' SANDY SILT <40% SA-SR, FN-CRS W GRDD SND <10% SA-SR, 7 ML FN-M, W GRDD GRVL >SOx FNS, L-M DRY STRNGTH, SLW-R 12 — DLTNCY L TGHNSS L PLST M STIFF, M YLLW BRN, NPO WET N HCL REACTION, WEAK CEMENTATION HOMO 14 11 5/15-16 5/20 LEAN CLAY WITH SAND <25% SA-SR FN-M PRLY GRDD 0 TCL SND >75% FNS H-VH DRY STRNGTH SLW DLTNCY L TGHNSS 16 10 WEAK V STIATION, HO OYLLW BRN, NPO WET, N HCL REACTION 18 / 16 5/20-21 5 LEAN CLAY <5% SA-SR FN, PRLY GRDD SND >95% FNS 14- VH DRY STRNGTH, N DLTNCY, L TGHNSS, L-M PLST, STIFF, M YLLW BRN NPO, WET N HCL REACTION WEAK CEMENTATION 20 06 CL HOMO 8 10 1 22 24 26 ' 28 p F 30 �� O 32 " REGORY P STAHL 34 * No 5023 36 38 40 42 tPAGE 1 OF 1