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Aw'ffvA`AAa WELL/BORING LOG <br /> PROJECT CftY or STOCKTON LOCATION BANNER ISLAND, STOCKT04 CA PROJECT NO. W0602.18 <br /> WELL/BORING NO. MW-8 SURFACE ELEVATION El WELLHEAD ELEVATION 13.36 iT <br /> DATE DRILLED 03/11/92 REVIEWED BY GREG STAHL RG 040. 5023 LOGGED BY SHARON YOUNG <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER RAY LIVINGSTON/TODD METHOD HOLLOW STEM AUGER <br /> BORE MOLE DIAMETER 10 IN DEPTH DRILLED 38 DEPTH TO WATER : INITIAL 26.5 FT STATIC 26.96 FT <br /> CASING TYPE PVC FASO DIAMETER A IN SCHEDULE AO INTERVAL O FT TO Ie FT <br /> SCREEN TYPE PVC F"O DIAMETER A IN SLOT SIZE 0.010 IN INTERVAL 18 FT TO 38 FT <br /> FILTER PACK TYPE 2/12 SAND INTERVAL t7 FT TO 38 FT <br /> SURFACE SEAL TYPE HEAT CEMENT/BENTONITL INTERVAL 0 FT TO 17 FT <br /> NOTES <br /> WELL DEPTH PID SA.WPLE ID U.S.G. SOIL DESCRIPTION <br /> DETAIL (FT.) (PPM) BLOWCOLINT LOG <br /> 0 0-6.5/10' FAT CLAY: <5% SR-R, CRS, PRLY GRDD SND; >95% ►'NS: v <br /> N DRY STRNGTH; N DLTNCY; H TGMNSS; M ►LST; V STIFF; <br /> DUSKY BRN; NPO: MST; N NCL REACTION; WEAK CEMENTATION; <br /> 2 HOMO <br /> 4 CM <br /> Q6/i'�R�-SS <br /> 9 <br /> 6 9 6.5/10-11.5/15' ELASTIC SILT WITH SAND; <20% SA-SR. FN-CRS. PRLY GRDD <br /> 12 SND; >807. FNS: L DRY STRNGTH: N DLTNCY; L TGMNSS; N <br /> ►LST: V STIFF; LT BRN; NPO: DRY-MST; N MCL REACTION; <br /> 8 WEAK CEMENTATION; HOMO <br /> 1011.5/15-16.5/20' ELASTIC SILT; <5% SR-R, FN, PRLY GOOD SND: >95% FNS; <br /> IA MH L DRY STRNGTH; N DLTNCY: L TGHNSS; L ►LST: HAD: LT <br /> BRN: NPO: DRY-MST; N MCL REACTION; WEAK CEMENTATION; <br /> 12 12 HOMO; WHITE/GRY MOTTUNG <br /> 4 / 16.5/20-21.5/25' SILTY SAND; >70% SA-SR, FN, PRLY GROG SND: <30% FNS; <br /> • DNS: M BON: NPO: DRY-MST: N MCL REACTION: WEAK <br /> 9 CEMENTATION; HOMO; WHITE MOTTLING _ <br /> 16 21 MM <br /> 30 21,5/25-26.5/30' WELL GRADED SAND; <5% SA-SR, FN-CRS, W GRDD <br /> SMD; <SS S•-SR, FN-CRS. PRLY GRDD GRVL: >907 ►NS; <br /> r 18 V STIFF: GAY BAN: NPO: MST: N MCL REACTION: WEAK <br /> CEMENTATION; HOMO: WATER AT 26.5' <br /> 20 <br /> 1B SM 26.5/30-30.7- LEAN CLAY WITH SAND: <25% SA-SR. FN, PRLY GRDD SND; <br /> = 22 IB >75% FNS: M-H DRY STRNGTH; SLW DLTNCY: L TGMNSS; <br /> M ►LST: SFT: GAY RED: NPO; WET: N NCL REACTION; WEAK <br /> CEMENTATION: HOMO <br /> 24 30.7-31.2' WELL GRADED SAND: >90% SR-R, ►N-CRS, W GROG, SND: <br /> 6 <10% SR-R, FN-CRS, W GRDD GRVL; LS; DUSKY RED; NPO: <br /> 26 1 WET: N HCL REACTION: WEAK CEMENTATION; HOMO <br /> 16Sw <br /> — 31.2-31.5/35' WELL GRADED SAND:; >90% SR-R, FN-CRS, W GRDD SND: <br /> 28 <10% SR-R, FN-CRS. W GRDD GRVL; LS: GAY owRN; NPO: <br /> WET: N HCL REACTION: WEAK CEMENTATION: HOO <br /> 30 CL <br /> — 9 <br /> t2 31.5/35-36.3' WELL GRADED SAND; >95% SR-R, FN-CRS, W GRDD <br /> 32 SNp; <5% FHS: LS: GRI BRN; N►0; MST; N NCL RUCTION; <br /> WEAK CEMENTATION: HOMO <br /> ()` 36.3-36.5/38' LEAN CLAY: <5% SR-R, FN, PRLY GRDD SND: >93% FNS; <br /> V H-VM DRY STRNGTH: SLW DLTNCY; L-M TGMNSS; M PLST: <br /> ■ = �( M STIFF. DUSKY BRN: MIO; MST; N MCL RUCTION; WEAK <br /> R_G0�- P. L CEMENTATION. HOMO <br /> sl " <br /> No. 50 3 t CL 36.5/38-39.5' LEAN CLAY: <Sx SR-R, FN. PRLY GRDD SHO: >95x FMS: M <br /> DRY STRNGTH: N-SLW DLTNCY; L-M TGMNSS: M ►LST; HOD; <br /> GRT GRN; NPO: MST; N MCL REACTION; WEAK CEMENTATION: <br /> HOMO; GAY/WHITE MOTTLING <br /> 42 P OF G 1FOR <br /> PAGE 1 OF 1 <br />