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�AWdl <br /> .,.. �eA .-o WELL/BORING LOG <br /> PROJECT CITY OF STOCKTON LOCATION BANNER ISLAND, STOCKTON CA PROJECT NO. <br /> W0602.18 <br /> yM_3 FT WELLHEAD ELEVATION 12.89 rr <br /> WELL/BORING NO. SURFACE ELEVATION <br /> DATE DRILLED 03/09/92 REVIEWED BY GREG STAHL RG NO. 5023 LOGGED By SHARON YOUNG <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER RAY L1y1NGSTON/TODD METHOD HOLLOW STEM AUGER <br /> 25 FT STATIC 21.59 F1 <br /> BORE MOLE DIAMETER 10 IN DEPTH DRILLED 37 FT DEPTH TO WATER INITIAL 0 FT TO 17 FT <br /> PVC F480 4 IN SCHEDULE 40 INTERVAL <br /> CASING TYPE DIAMETER 17 FT TO 3T <br /> SCREEN TYPE Pvc F48O DIAMETER 4 IN SLOT SIZE 0.010 IN INTERVAL <br /> 2 12 SAND INTERVAL t6 FT TO 37 � <br /> FILTER PACK TYPE - D FT TO t6 FT <br /> SURFACE SEAL TYPE NEAT CEMENT/6ENTON INTERVAL <br /> NOTES <br /> wELL DEPTH I PID SAMPLE ID U.S.G. SOIL DESCRIPTION <br /> DEl,UL (FT.) (PPM) BLOWCOUNT LOG <br /> 0 0-6.5/10' 0x FNS; m-vH DRY STRNGTH:H-SLW DLT CT; M TGHNSS: M <br /> PLST; STIFF; DRK BRM; NPO; MST; N MCL REACTION; WEAK <br /> 2 CEMENTATION; HOMO: IRON OX; MOTTLING <br /> CL <br /> 6 � 6.5/10-11.3' LEAN CLAY: <5% SA-SR, CRS SND; <5S SA-SR, FN GRVL <br /> >90% FNS; H-VH DRY STRNGTH; H-SLW OLTNCY; M TGHNSS: <br /> J / M PLST; M STIFF: DRK BRN: N►0: MST; N MCL REACTION: <br /> 8 -{IIWEAK CEMENTATION; HOMO; IRON OX <br /> CL <br /> 10 """I 11.3-11.5/15' POORLY GRADED SAND WITH SILT; 90% SA-R. fN. PRLY <br /> 3 GRDD SND; 10% FNS; LS; ORK BRM/GRY; NPO: MST: N MCL <br /> 5 SP-S• REACTION; WEAK CEMENTATION; HOMO <br /> 12 <br /> 11.5/15-16.5/20' CLASTIC SILT WITH SAND; <207. SA-SR, FN, PRLY TROD SND; <br /> 14 >80% FNS; L DRY STRNGTH; N-SLW DLTNCY; L-M TGHNSS: L- <br /> M PLST; V STIFF; ORNG BRN; NPO: MST; N MCL REACTION; <br /> 9 WEAK CEMENTATION; HOMO <br /> tS, <br /> 16 20 U MH 16.5/20-20.5' SANDY ELASTIC SI;T 30% SA-SR, FH. PRLY TR00 SMD: 707. <br /> FNS; L-M DRY STRNGTH; N-SLW DLTNCY; L-M TGHNSS; L-M <br /> ♦ — }�-- PLS1; M YLLW BRN; NPO; MST; N MCL REACTION; WEAK <br /> 18 7 I CEMENTATION: HOMO <br /> J - MM <br /> 20 _ <br /> 20.5-21-5/'.5* F, <br /> JY ELASTIC SILT: 30% SA-SR, FN, PRLY GRDD SND; 70% <br /> F, ,; L-M DRY STRNGTH; N-SLW DLTNCY; L-M TGHNSS: L-b- <br /> 10 <br /> 1 PLST; ORNG BRN; N MST; N MCL REACTION; WEAK CEMENT- <br /> 22 MH ATION: HOMO <br /> / 21.5/25-26.5/30' > o%1 FSSLTL WITH <br /> DRY STRHGTM;SN-SR : G <br /> RDD SNC. <br /> W DLTNCYTGHNSS. L <br /> = 24 7 PLST: V STIFF: M OLIVE BRN: N►0: WET; N MCL REACTION: <br /> WEAK CEMENTATION; HOMO; WATER AT 25' <br /> 26 1 MH <br /> _ 16 <br /> 28 / 26.5/3D-31.5/35' ELASTIC SILT; <10% SA-SR SND: <10% SA-SR ORVL >50% <br /> fNS; L-M DRY STRNGTH; N-SLW DLTNCY; L TGHNSS: L PLST; <br /> _ V STIFF; GRY-GRN; MPO; WET; N MCL REACTION; WEAK <br /> _ CEMENTATION: HOMO <br /> 30 7WELL GRADED SAND WITH GRAVEL: >80 SA-SR, FN-CRS, W <br /> 14 MH 31.5/35-35.3' GRDD SND; <20% SA-SR, FN, W GRDD GRVL: v LS: GRY- <br /> - 32 14 GRN; N►O; WET; N HCL REACTION; WEAK CEMENTATION; HOMO <br /> 35.3-35.5 LEAN CLAY; CIO% SA-SR, FN SNO; >90% FNS; M-H DRY <br /> 34 FtEO-8Ep SW STRNGTH; H-SLW DLTNCY; M TGHNSS: M PLST; V SFT DRK <br /> \ �Q YLLW BRM; NPO; MST: N MCL REACTION; WEAK CEMENTATION; <br /> N0MO <br /> • __ CL <br /> 35.5-37' LGN CLAY; <10% SA-SR- FN SND: <br /> REGO�#Y P. >90z FNS: M-H ORT <br /> 8GOSTRNGTH; N-SLW DLTNCY; M TGHNSS; M PLST; v STIFF; OUVE <br /> STAR- <br /> 4L No. <br /> NPO; MST: N MCL REACTION: WEAK CEMENTATION; HOMO <br /> No. 5023 <br /> 0 <br /> PAGE = OF i <br />