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`II/ATERWORK
<br /> WELL/BORING LOG
<br /> PROJECT CITY OF STOCKTON LOCATION BANNER ISLAND, STOCKTON, CA
<br /> WELL/BORING NEL —MW71 SURFACE ELEVATIONFT PROJECT No. 20198-1
<br /> DATE DRILLED 11/02/89 REVIEWED BY RUSSELL UNCAL RG3864 WELLHEAD ELEVATION rT
<br /> DRILLING COMPANY OSTERBERG & STEWARTLOGGED BY E. TAYLOR
<br /> DRILLER T. OLSEN METHOD HOLLOI/ STEM AUGER
<br /> BORE HOLE DIAMETER 10.25Ih DEPTH DRILLED 40 FT
<br /> CASING TYPE PUC F480 DEPTH TO WATER, INITIAL 20 FT STA7IC 21.5
<br /> -----__ DIAMETER 2 rN SCHEDULE 40 FT
<br /> SCREEN TYPE PUC DIAMETER 2 rN INTERVAL 0 FT TO 20 FT
<br /> MONTEREY SAND t3 SLOT SIZE OBD rN INTERVAL FT TO 40 rT
<br /> FILTER PACK TYPE
<br /> SURFACE SEAL TYPE AT CEMENT INTERVAL 17 FT TO 4_0 FT
<br /> N07ES BENTONITE PELLETS 15-17' INTERVAL D.5 FT TO 15 FT
<br /> WELL DEPTH PID AMPLE ID U.S.G.
<br /> DETAIL (FT.) (PPM) OVCOUN LOG SOIL DESCRIPTION
<br /> 0 0-4' ELASTIC SLT, 30% FN (TRC M), PRLY GRDD SND, 70% FNS, M DRY
<br /> STRNGTH, M DLTNCY, L TGHNSS, L PLST, FRM, LT-DRK MOBRN, NPO,
<br /> ABUNDANT ORGANICS DRY-SL MST, STRNG HCL REACTION, TTLED.
<br /> 2 MH ROOTLETS
<br /> 4 4-5' LN CLY, 25% FN (TRC M), PRLY GRDD SND, 707 FNS, H DRY STRNGTK
<br /> MW-IA CL SLV DLTNCY, M TGHNSS, M PLST, FRM, LT-DRK BRN, NPO, ABUNDANT
<br /> 6 0 30 ORGANICS, SL MST, STRNG HCL REACTION, MOTTLED, ROOTLETS
<br /> SO
<br /> 5-15' ELASTIC SLT, 30% FN (TRC M), PRLY GRDD SND. 707. FNS, M DRY
<br /> STRNGTH, SLV DLTNCY, L TGHNSS, L PLST, STIFF, DRY, MST
<br /> 8 STRNG HCL REACTION WHEN DRY, HOMO
<br /> 10 MV-IB 7 MH
<br /> 0 12
<br /> 12 14
<br /> 14
<br /> - MV-1C 15-33' PRLY GRDD SND V/SLT, 90% FN (TRC M), PRLY GRDD SND, 10% FNS,
<br /> 10 L DRY STRNGTH, R DLTNCY, N TGHNSS, N PLST, M DNS, M BRN, NPO,
<br /> 16 0 127 MST, VET ! 20', MOTTLED, FE OX STAIN
<br /> 18
<br /> 20 MV-ID
<br /> o Iz - aEo cFo�
<br /> 22 I6 Q� c�
<br /> SP/SM SSE W. N-+\
<br /> 24 J NC L
<br /> = MW-1E
<br /> 6
<br /> 26 c 7
<br /> 9
<br /> 28 OF CA
<br /> 30
<br /> 32
<br /> 33-38' LN CLY, IDOX FNS H DRY STRNGTH, N DLTNCY, M TGHNSS, M PLST,
<br /> 34 FRK BRN, NPO, WET
<br /> CL
<br /> 36
<br /> 38 38-40' SNDY LN C:LY, 25% FN (TQC M), PRLY GRDD SND, 75% FNS, H DRY
<br /> kr
<br /> 40 CL
<br /> STRNGTK SLV DLTNCY, M TGHNSS, L PLST, FRM, GRY OLIVE, NPO, VET
<br /> PAGE i ❑F_L
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