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mr "��""` WELL/BORING LOG <br /> BANNER ISLAND STOCKTON CA PROJECT NO. —!0602—'B <br /> PROJECT CRY Of $TOCKTON LOCATION <br /> MW-4 SURFACE ELEVATION FT WELLHEAD ELEVATION 62 F� <br /> I t <br /> WELL/BORING N0. GREG STAHL RG NO. 5023 LOGGED BY SHARON YOUNG <br /> DATE DRILLED p3/t0/92 REVIEWED BY <br /> SPECTRUM E)(PLORAnOM DRILLER R•Y LlVINGSTON/TODO METHOD HOLLOW STEM AUGER <br /> DRILLING COMPANY 25.5 CT STATIC 2671 FT <br /> BORE HOLE DIAMETER 10 IN DEPTH DRILLED _�T DEPTH TO WATER INITIAL PVC 0 FT TO '8 <br /> 4 IN SCHEDULE 40 INTERVAL <br /> CASING TYPE —FASO DIAMETER 4 IN SLOT SIZE O.OtO IN INTERVAL t8 FT TO 36 FT <br /> SCREEN TYPE PVC F"O DIAMETER 17 FT TO <br /> FILTER PACK TYPE 2/12 SAND INTERVAL <br /> SURFACE SEAL TYPE <br /> NEAT CEMENT/BCHtONRE INTERVAL 0 � TO <br /> NOTES <br /> WELL DEPTH PID PLE ID U.S.G. SOIL DESCRIMON <br /> DEZAIL (FT.) (PPM) LOWCOU LOG <br /> 0 0-6.2' SILTY SAND; >707. SA-SR, FN, PRLY GRDD SND; <30% FNS; <br /> LS: DUSKY YLLW BAN: NPO; MST; N MCL REACTION; WEAK <br /> CEMENTATION; NOM0 <br /> 2 sY <br /> a 6.2-6.5/10' LEAN CLAY; <S7. SA-SR, FN SND; >95% FNS; H DRY <br /> OaJR w-is' STRNGTM; SLW DLTNCY; Y TGMNSS; 11 PLST: SFT: GRN GRT: <br /> re NPO; MST; H MCL REACTION; WEAK CEMENTATION; HOMO <br /> 6 CL 6.5/10-11.2' SILT WITH SAND: <20% SA-SR, FN, PRLY GRDD SMD; <107. <br /> 8 SA-SR, FN, PRLY GRDD GRYL; >70% FNS; M DRY STRNGTM; <br /> SLW-R DLTNCY; L TGHNSS; N PLST; SFT; M BAN: NPO: <br /> ORGANICS: MST; H MCL REACTION; WEAK CEMENTATION; HOMO <br /> 10 ML <br /> 1 t.2-t t.S/15' FAT CLAY; <5% SA-SR, FN SND; >95% FNS: VH DRY <br /> STRNGTM; SLW DLTNCY; M TGMNSS; M PLST; SFT: GRY BLK; <br /> 12 CM NPO; ORGANICS: MST: N MCL REACTION; WEAK CEMENTATION: <br /> HOMO <br /> 14SILT: <SS SA-SR, FN SND: >95>; FMS; l DRY STRNGTM; R <br /> 11.5/t5-16.5/20' DLTNCY; L TGMNSS; N PLST; V STIFF; DRK GRN GRT; NPO; <br /> ML MST; N NCL REACTION: WEAK CEMENTATION; HOMO <br /> 16 19 <br /> W _ / 16.5/20-21.5/25' SILT WITH SAND; <20% SA-SR, FN, PRLY GRDD SND; >50% <br /> 18 <br /> FNS: L DRY STRNGTM: SLW-R DLTNCY: L TGHNSS: N PLST; <br /> V STIFF; L' BAN: N►0; MST; N MCL REACTION; WEAK <br /> CEMENTATION; HOMO <br /> = 20 <br /> 1 ML 21.5/25-26.5/30' POORLY GRADED SAND WITH SILT; 90% SR-R, FN-CRS. PRLY <br /> 18 GRDD SND: 10% FNS; M DNS; ORK YLLW BRN: HPO: MST- <br /> - 2Z WET; N MCL REACTION; WEAK CEMENTATION; HOMO; WATER <br /> Al 25.5' <br /> = 24 <br /> 26 sr-sM <br /> = 28 <br /> 26.5/30-36.2' WELL GRADED SAND WITH GRAVEL: >60%. SR-R, FN-CRS, W <br /> GROD SND; <20% SR-R. FH-CRS. W GRDD GRVL; <1% FNS: <br /> 30 DNS: DRK YLLW BRN: NPO: WET: N MCL REACTION; WEAK <br /> 24 CEMENTATION; HOMO <br /> 26 <br /> 32 Sw <br /> BRED <br /> 3/vim OCA 36.2-36.5/38' OLTNCYUM TGHNSS L SND; <br /> PLST�9SFF;DRK YLLW BAN;HPOM STW <br /> REGC Y P. CL N NCL RUCTION; WEAK CEMENTATION; HOMO <br /> ST" <br /> N0. 3 CL 36.5/38-39.5' DDL1NCY; L TGHNSSNLS►OST>NRD;FGAN ILK. NPO; MST CNMHM <br /> 6 REACTION; WEAK CEMENTATION; HOMO; WHITISH MOTTLING <br /> f �\! I <br /> 42 E OF \'i� <br /> PAGE 1 OF <br />