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i <br /> WATERWORK <br /> WELL/BORING LOG <br /> PROJECT CHEVRON STDCKTON LOCATION 540 NORTH AURORA WAY STOCKTON PROJECT NO 376 <br /> WELL/BORING NO MWI SURFACE ELEVATION , NA FT WELLHEAD ELEVATION NA rT <br /> DATE DRILLED 04/29/91 REVIEWED BY NORA K K-ATA13KA RCE 938322 LOGGED BY TINA LOPAGE <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER TED j: FEY METNOD HOLLOW STEM AUGER <br /> BORE HALE DIAMETER 8 IN DEPTH DRILLED 77, F DEPTH TO WATER INITIAL 645 FT STATIC 625 FT <br /> CASING TYPE PVC r400 DIAMETER 2 IN SCHEDULE 40 INTERVAL a FT TO 52 FT <br /> - SCREEN TYPE PVC F480 DIAMETER 2 INSLOT SIZE 0910 IN INTERVAL 52 FT TO 77FT <br /> FILTER PACK TYPE 92/12 SILICA SAND INTERVAL <br /> 50 FS TO _ 77 FT <br /> SURFACE SEAL TYPE NEAT CEMENT LIVER 2 BENTONITE PLUG INTERVAL 0 _FI TO 50 Fr <br /> NOTES <br /> WELL DEPTH PID SAMPLE ID US.G. SOIL DESCRIPTION <br /> DETAIL (FT) (PPM) BLOWCOMT LOG <br /> 0 0-3• ASPALT <br /> FILL <br /> 3'-2 SANDY FILL MATERIAL <br /> 2 2-5 SANDY LEAN CLAY; 35/ SR, FN, PRLY GRDD SND; 657 FNS. <br /> 4 CL M DRY STRNGTH; SLV DLTNCY; H TGHNSSI M PLST; STIFF; <br /> DRK YLLW BRM NPIb MST; N MCL REACTION; WEAK CEMENT- <br /> _„ ATIUM MONO <br /> 2 <br /> 6 8 5-163/20 SANDY ELASTIC SILT= 40/ SR Fly PRLY GRDD SND1 607 FNS) <br /> M DRY STRNGTH; SLW DLTNCY; L TGHNSS; H PLST; V STIFF) <br /> 8 DRK YLLW BRM NPD) MST; N HCL REACTION M CEMENTATIOM <br /> HOMO <br /> 10 <br /> 12 <br /> 12 17 MH <br /> • 14 <br /> 3 <br /> 16 E. <br /> 18 <br /> 165/20-20 POORLY GRADED SAND WITH SILT; 90/ SA. FN. PRLY GRDD <br /> SP- SND; 10/ fNS, L DRY STRNGTM, N PLST N DNS; M YLLW BRN, <br /> SK KPOI MSTI N HCL REACTION; WEAK CEMENTATION MOTTLED; <br /> 20 GRN DISCOLOR AT APPROX 18 CONTINUES TO APPROX 20 <br /> 12 <br /> 22 14 <br /> 24 20-315/35' POORLY GRADED SAND, 100/ SA, M-F, PRLY GRDD SND, N <br /> PLSTi M DNSI OLIVE GRY; MPO; DRY; N HCL REACTIOM <br /> g WEAK CEMENTATION; MOTTLED <br /> 2F> �� SP <br /> 28 <br /> 30 <br /> 11 <br /> 32 14 <br /> 315/35-365/40 SANDY SILT/SANDY ELASTIC SILT; 40/ SA. FN PRLY GRDD <br /> SND) 6av FNS; L DRY STRNGTH; SLY DLTNCY; L TGHNSS; H <br /> 34 PLST; V STIFF; DRK YLLV BRW MPO; MST; N NCL REACTIOM <br /> 6 MOTTLED <br /> 36 10 ML/MH <br /> 9 <br /> 365/40-40 CLAYEY SAND; 60/ SA, FN PRLY GRDD SND; 4D/ FNS; L DRY <br /> STRMGTH; SLW DLTNCY; M TGHNSS; L PL5T M DNS; DRK YLLV <br /> 38 A <br /> BRN SL PO; MST; N MCL REACTION WEAK CEMCNTATION; <br /> MOTTLED <br /> 4040-45 SANDY LEAN CLAY; 30/ SA. FN PRLY GRDD SND; 70/ FNS; H <br /> 11 DRY STRNGTH; SLV DLTNCY; M TGHNSS; M PLST; V STIFF; H <br /> 42 IS CL BRN SL PO; MST, N HCL REACTION M CEMENTATION MOTTLED <br /> PAGE OF z <br /> O <br />