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DEL-TECH GEOTECIWICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> iai <br /> SAMPLE LOCATION/MW- 8 DATE. 17/3/2004 <br /> i PROJECT,NAME: GEORGE S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 11:05 <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 /> PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER; DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA.: 211 / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.J.D.READING/ODOR: N/A MUSTY <br /> ' TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's) 12.45 FEET CALL.PURGE VOL.: 1.45 GAL. <br /> DEPTH OF WELL: (feet.100th's) 21.35 FEET TOTAL VOLUME PURGED: 4.36 GAL. <br /> STANDING WATER COLUMN 8.90 FEET DEPTH OF PUMP 20 FEET <br /> FIELD PARAMETERS <br /> .. :. <br /> TIME CUMULATIVE DRAWPUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPM/I.PM) (units) (MsMtIOS) (Celsius) {Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .2 GPM 7.40 1655 24,6 -24 0.44 CLEAR _ <br /> 1.45 7.43 1659 24.5 -27 0.8 <br /> 2.90 DRY DRY <br /> ' 4.36 „ <br /> PURGE METHOD: HONDA CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING, <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TBIE: 18.78' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: POOR RECHARGE/GRAB SAMPLE. <br /> ' WEATHER: CLEAR SKIES. WIND: <br /> ' QUALITY CONTROL: ALL PURGING EQUIPMENTAND 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.POLYDRUM. <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 METER TURBIDFTY METER <br />