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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 4 DATE: 7/22198 <br /> PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 110 FILBERT SAMPLE TIME: 15:05 <br /> CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/1 BLANK <br /> SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL <br /> CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK 1 WEST LABS <br /> PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING 1 ODOR: 0 NONE <br /> TOP OF CASING ELEVA'rION. MSL COLOR: LT.BRN.TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 48.56 FEET CALC.PURGE VOL.: 6.700992 GAL. <br /> DEPTH OF WELL: feetlWth's 89.62 FEET TOTAL VOLUME PURGED: 21 GAL. <br /> STANDING WATER COLUMN: 41.06 FEET DEPTH OF PUMP: 84 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. DLSSOL TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (cPhVcrM) (units) (UsMHOS) (Callus) (M-Its) (pPM) (N.T.U.) <br /> 0 NIA 1.8 GPM 7.26 677 24.4 100 NIA LT.BRN. <br /> 7 7.20 675 21.9 80 CLEAR <br /> 14 " " 7.26 671 21.8 84 " " <br /> 21 " " 7.27 685 21.2 80 <br /> PURGE METHOD: 2"GRUNDPOS SUBMERSIBLE PUMP <br /> SAMPLE METHOD: 1'STAINLESS STEN.BAIIER WI STAINLESS STEEL WIRE LM <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 51.18' <br /> WELL INTEGRITY: CAP&SE&L ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WAND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CL&WBD IN THE <br /> FIELD WrM A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T 1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCEI.L Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINISr SLOPE MEI'ErR THERMODINE 580a P.I.D. <br /> KECK UMRFACE MEM TM]DrrY MEPER <br /> 5 <br />