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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1999 <br /> 1 SAMPLE LOCATION/MW . 3 DATE: 12/17/99 <br /> PROJECT NAME: VALLEY SHOWCASE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br />' ADDRM: FREMONT STREET SAMPLE TIME: 8:30 <br /> CITY STATE: STOCKTON,CA. *SAMPLE CONTAINERS: 3 VOA'S/1 BLANK <br /> SITE CONTACT. FPRESERVATIVES: HCL <br />' CONSULTANT• GE "CES t LAB.ANALYSIS BY: BSK LABS <br /> PROJECT MANAGER DAN DOTTAI MONI71bIF.NT: FLUSH <br />' SAMPLER: N DEI.,TECH WELL CASING MATERIAL FVC <br /> SIGNED: WELL CASING DIA.: 4" 1 0.6528 <br /> SAMPLE MEDUN GROUNDWATER P.LD.READING/ODOR: NIA NONE <br />' TOP OF CASING EL ATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: feet.l00th's 10.48 FEET CALC.PURGE VOL.: 12.122496 GAL. <br /> DEPTH OF WELL: feeLlO th's 29.05 FEET TOTAL VOLUME PURGED: 36 GAL. <br /> STANDING WATER COLUMN: 18.57 FEET DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br />' TIME cAsm DRAW PUMPING pH E.C. TEMP.;37; <br /> ISSOL TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PBRPURGE (D.T.W.) (GPM/LPMI (units) NmMHOS) (Cddus) (PPM) (N.TU.) <br />' 0 NIA 2 GPM 7.68 703 21.5 1.6 CLEAR <br /> 12 7.57 699 21.9 9 1.2 <br /> 24 7.57 697 21.6 9 1.1 <br /> 36 12.60' 7.57 693 21.6 7 1 " <br /> 1 <br /> PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: F STAINLESS STEEL BAILER W!STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 11.23' <br />' WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br />' WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WNW A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br />' CONTAINMENT: D.O.T. 17 SS GAL STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.1.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br />' SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> KECK INTERFACE METER TURBIDITY MEIER <br /> 1 <br />