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�: ��®�'� WELL/BORING LOG <br /> PROJECT CITY OF STOCKTON LOCATION WESTERN PACIFIC RAILROAD PROPERTY, STOCKTON CA PROJECT NO. WO601.1C <br /> ' WELL/BORING NO. MW-1 SURFACE ELEVATION '- FT WELLHEAD ELEVATION 11.25 FT <br /> DATE DRILLED 03/12/92 REVIEWED BY GREG STAHL RG N0. 502, LOGGED BY SHARON YOUNG <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER RAY LIVINGSTON METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 10 IN DEPTH DRILLED 38 FT DEPTH TO WATER : INITIAL 26.5 FT STATIC 27.93 FT <br /> ' CASING TYPE PVC FA80 DIAMETER A IN SCHEDULE AD INTERVAL 0 FT TO t8 FT <br /> SCREEN TYPE PVC FA80 DIAMETER 4 IN SLOT SIZE 0.010 IN INTERVAL 18 FT TO 38 FT <br /> FILTER PACK TYPE 2/12 SAND INTERVAL 17 FT TO 38 FT <br /> ' SURFACE SEAL TYPE _NEAT CEMENT/BENTONITE INTERVAL - 0 FT TO 17 FT <br /> NOTES <br /> WELL DEPTH PID SAMPLE ID U.S.G. SOIL DESCRIPTION <br /> DETAIL (FT.) (PPM) BLOWCOUNT LOG <br /> 0 0-2' COARSE GRAVEL FILL <br /> ' _ = <br /> FILL <br /> 2 2-11.5/15' ELASTIC SILT WITH GRAVEL: <20% SR-R, FN-CRS. PRLY <br /> GRDD GRVL; >80% FNS; L DRY STRNGTH: SLW DLTNCY; <br /> 4 L-M TGHNSS; M-H PLST; V STIFF; CRY BRN; NPO; DRY- <br /> ' _ = MPRR-YYI-5.5' MST; N HCL REACTION; WEAK CEMENTATION; HOMO <br /> S <br /> 6 23 MH <br /> 0 11.5/15-16.5/20' SILT; <10% SA-SR, CRS, PRLY GRDD SND; <10: SA-SR, <br /> 9 FN, PRLY GRDD GRVL; >Bo% FNS; L DRY STRNGTH; N-SLW <br /> s 11 DLTNCY: L TGHNSS: N PLST: HRD: M BRN; NPO: DRY-MST; N <br /> 12 <br /> _ HCL REACTION; WEAK CEMENTATION; HOMO <br /> 14 <br /> 6 ML <br /> ' <br /> 16 30 16.5/20-21.5/25' LEAN CLAY; <57. SA-SR, FN, PRLY GRDD SND; >957. FNS: <br /> M-H DRY STRNGTH; SLW DLTNCY; L-M TGHNSS; M-H PLST; <br /> STIFF; M BRN; NPO; MST; N HCL REACTION; WEAK CEMENT- <br /> 18 ATION: HOMO; BLK MOTTLING; FE OX STAINING <br /> 20 CL <br /> 9 21.5/25-26.5/30' LEAN CLAY: <5R SA-SR, FN, PRLY GRDD SND; >957. FNS; <br /> 10 M-H DRY STRNGTH; SLW DLTNCY; L-M TGHNSS; M PLST; <br /> 22 V STIFF; CRY BRN; NPO; MST: N HCl REACTION; WEAK <br /> CEMENTATION; HOMO; BLK MOTTLING: FE OX STAINING; <br /> WATER AT 26.5' <br /> 24 <br /> 7 CL <br /> 264. <br /> 16 <br /> 28 <br /> = 26.5/30-31.5/35' SILTY SAND; >807. SA-SR, FN, PRLY GRDD SND; <20% <br /> = FNS; DNS; CRY BRN; NPO; WET; N NCL REACTION; WEAK <br /> t _ 30 1 CEMENTATION; HOMO <br /> 18 SM <br /> 2e <br /> 32 <br /> 31.5/35-36.5/38' LEAN CLAY WITH SAND; <207. SA-SR, FN, PRLY GRDD SND; <br /> (`RE D Q >80% FNS: H DRY STRNGTH; SLW DLTNCY; M TGHNSS; M <br /> ' = CO PLST; STIFF: DRK YLLW BRN; NPO; MST; N HCL REACTION; <br /> WEAK CEMENTATION; HOMO; FE OX STAINING; BLK MOTTLING <br /> CL <br /> 3 3REGGP.y P. 1 <br /> STAfi- <br /> 8 NO. 5023 OL 36.5/38-39.5' LEAN CLAY: <5% SA-SR. PRLY GRDD SND; >95% FNS; H <br /> 2 DRY STRNGTH; N DLTNCY; L-M TGHNSS; M-H PLST; V STIFF; <br /> M BRN; NPO; MST; N HCL REACTION; WEAK CEMENTATION; <br /> \ HOMO: BLK/CRY/LT BRN MOTTLING <br /> E OF CA 1F�R <br /> 42 <br /> ' PAGE 1 OF 1 <br />