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i DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW- 2 <br /> DATE: 7117/98 <br /> PROJECT NAME: VALLEY SHOWCASE. ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET' SAMPLE TIME: 12:42 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 3 VOA'S/ 1 BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT HUNTER 8�ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/BSK <br /> PROJECT MANAGER BILI.HUNTER MONUMENT: <br /> SAMPLER• DEL-TECHFLUSH <br /> SIGNED; WELL CASING MATERIAL PVC <br /> SAMPLE MED •� WELL CASING DIA.: 4" 1 0.6528 <br /> GROUNDWATER P.I.D.READING To-DOR: O GAS <br /> TOP OF CASING EL TION: MSL COLOR: <br /> DEPTH TO WATER: feeL100th'S) 8.08 FEET CALC.PURGE VOL.: 13-656576 GAL. <br /> DEPTH OF WELL: (feeL100th's) 29.00 FEET TOTAL VOLUME PURGED: 42 <br /> STANDING WATER COLUMN 20.92--l- FEET' DEPTH OF PUMP: CTAT <br /> TUBING FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING PH E.C. TEMP. O.R.P. DISSOLVEE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN CO <br /> PERPURGE (D T.W.) (GCOLOPMILM (units) (UMMHOS) (Celsius) (Mvolts} (PPM) (IV.LO <br /> 0 NIA 2 GPM 7.60 859 22.4 -69 NIA CLEAR <br /> 14 " 7.72 833 22 -97 " <br /> 28 7.69 827 21.9 -143 " <br /> 42 7.70 830 22 -155 " <br /> PURGE METHOD: CENTRIFfGAL PUS- <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAUJM W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: <br /> WELL INTEGRITY: 8.28' <br /> CAP&SEAT_ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. <br /> QUALITY-CONTROL- WIND: NW5 <br /> ALL FURGING E UIPMEM AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WIPHA S L_ACLE4NFER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17'55 GAL STEELDRUMOR60GAL POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 PLOWCI3LL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TFUMMODINE 5808 P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> • <br />