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. DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW- 3 DATE: 7/17/98 <br /> PROJECT NAME: VALLEY SHOWCASE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 12:30 <br /> CITY,STATE: STOCKTOK CA. SAMPLE CONTAINERS: 3 VOA'S/ 1 BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/BSK <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: 1 1 4. DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 4" / 0.6528 <br /> SAMPLE MED GROUNDWATER P.I.D.READING/ODOR: 0 NONE <br /> TOP OF CASING ELE TION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: feet.lWth's) 7.86 FEET CALC.PURGE VOL.: 13.832832 GAL. <br /> DEPTH OF WELL: feet lWth's) 29.05 FEEL' TOTAL VOLUME PURGED: 42 GAL. <br /> STANDING WATER COLUMN: 21.19 FEET DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> • TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVEE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPMILPM) (units) (UmMIiOS) (Celsius) (Myons) (PPM) (N.T,U.) <br /> 0 NIA 2 GPM 7.36 865 23.5 45 N/A CLEAR <br /> 14 7.65 800 24.5 —75 " <br /> 28 7.64 783 23.3 —63 " <br /> 42 7.64 779 22.6 —53 " <br /> ma <br /> PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: I'STAINLESS MUEL BAMER W/STAIM-ESS STM WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 7,941 <br /> WELL.INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SFE SPIE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> MM CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIND WITHA STFAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODWE 580B P.I.D. <br /> KECK INTERFACE MINER TURBIDITY METER <br /> • <br />