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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br /> ,. <br /> SAMPLE LOCATION/MW- 202 DATE: 11/3/2004 <br /> ' PROJECT NAME: GEORGE S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TD4E: 16:00 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 4 VOA'S <br /> SITE CONTACT: GEORGE&MAE PRESERVATIVES: . HCL <br /> CONSULTANT. GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> 777771 <br /> PROJECT MANAGER ERIC PRICE 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 ODOR: NIA NONE <br /> ' TOP OF CASING ELEVATION: MSL COLOR: GREY TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 12.49 FEET CALC.PURGE VOL.: 7.90 GAL. <br /> DEPTH OF WELL: (feet I00th's) 60.92 FEET TOTAL VOLUME PURGED: 23.71 GAL. <br /> ' STANDING WATER COLUMN 48.43 FEET DEPTH OF PUMP 60 FEET <br /> FIELD PARAMETERS <br /> TIME cumurATlvE DRAW PUNTING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D.T.W.) (GPM/LPM) (units) (Ms1V il— (Celsius) (Mvolts) (PPM)- (N.T.U.) <br /> 0 NIA .5 GPM 8.14 1285 18.8 78. , 3.01 GREY <br /> 7.90 8.09 1293 19.0 70 2.98 CLEAR <br /> ' 15.81 ' 8.05 1293 19.1 63 2.93 " <br /> 23.71 8.10 1275 18.7 60 2.94 <br /> PURGE METHOD: WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TD4E: 15.17' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE STI'E MAP. <br /> ' REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NONE <br /> ' QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.17 55 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 THERMODINE 580B P.I.D. <br /> / KECK INTERFACE MEIER TURBM"METER <br />