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WATERWORK WELL/BORING LOG PROJECT 161 11111111 lAlllLIl 11111TERYLOCATI❑N CEMETERY LANE, STOCKTON. CA PROJECT 1111,6M'111-1 WELL/BORING NO. SB4 SURFACE ELEVATION NS FT WELLHEAD ELEVATION NS FT DATE DRILLED 08/13/90_ REVIEWED BY NORA H. KATAOKA__ LOGGED BY JOdtA G. 1�� DRILLING COMPANY SPECTRUM DRILLING DRILLER DOUG SHEARER METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER _ 8 IN DEPTH DRILLED 30 FT DEPTH TO WATER- INITIAL FT STATIC FT CASING TYPE DIAMETER IN SCHEDULE INTERVAL---- _ _FT TO FT SCREEN TYPE DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT ,y FILTER PACK TYPE INTERVAL FT TO FT SURFACE SEAL TYPE INTERVAL- FT TO FT N❑TES WELL DEPTH PID SAMPLE ID U.S.G. SOIL DESCRIPTION DETAIL (FT.) (PPM) BLOWCOUNI LOG jr 0 0-15.5' LEAN CLAY; <10% SND) >90Z FNS) M-H DRY STRNGTH; SLW OLTNCYj H TGHNSS; M PLST; STIFF) M-DRK YLLW BRN/M BRN; NPO; INN, MST, N-STRNG HCL REACTION; WEAK CEMENTATION; HOMO; WHT VEINING; 2 BLK STAIN; ROOTLET 4 6 6 6 8 CL 10 7 12 9 14 SJCC- �r/ SB4- 6 16 ]5.5' I5.5--20.5' ELASTIC SILT; 0Z SND; >99! FNS; L DRY STRNUTH; SLW DLTNCY; M 9 TGHNSS; M PLST; STIFF-M STIFF; M YLLW BRN; NPO; N ORG MST; ir STRNG HCL REACTIIIN WEAK CEMENTATION; HOMO; TR WHT VEINING .+ 1g MH 20 sicc- Or 3 20.5-215/25'LEAN CLAY; (57 SND; >95% FNS; H DRY STRNGTH; SLW DLTNCY; M �..r 20.5' 7 CL TGHNSS; M PLST; V STIFF; OLIVE CRY, NPO; N DRG, MST; WEAK- 22 ]0 f STRNG NCL REACTION WEAK CEMENTATION; HOMO z 21.5/25-25.5'LEAN CLAY] <5% SND) >95% FNS; M DRY STRNGTH SLW DLTNCY; M 24 CL REACTION; WEAKL M CEMENTATION; HOMD; TR BLK STAIN; MOLES,• TR 6 WHT VEINING 26 2 29 MH 25.5-26.5/30'SANDY SILT; <257 SND; >75% FNS; M DRY STRNGTH; SLW DLTNCY; M TGHNSS; M PLST; HRD; M-MRK YLLW BRN; NPO; N ORG MST; N HCL 23 REACTION WEAK CEMENTATION HOMO 26.5/30-31.5'LEAN CLAY; <3% SND; >97% FNS) H DRY STRNGTH) SLW DLTNCY; M 30 30 CL TGHNSS; M PLST; HRD; M-DRK YLLW BRN; NPO; N ORO; MST; N HCL 6r 35 REACTION; WEAK-M CEMENATION HOMO r 32 34 pFESS10 Kq 38 CD No. 038 22. �{ � 40 42 OF CAL�F�� PAGE OF_I.