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16 DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> .. <br /> SAMPLE LOCATION MW <br /> / 5 DATE: 7/23/2004 <br /> ' PROJECT NAME: '' GEORGE'S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY' <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 13:24 <br /> CITY,STATE: TRACY,CA . SAMPLE CONTAINERS: 3 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-DTA. : 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A FUEL <br /> TOP OF CASING ELEVATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th's) 12.50 FEET CALC.PURGE VOL.: 1.38 GAL. <br /> DEPTH OF WELL: feet.100th's 20.95 FEET TOTAL VOLUME PURGED: 4.14 GAL, <br /> STANDING WATER COLUMN: 8.45 FEET DEPTH OF PUMP: 19 FEET <br /> FIELD PARAMETERS <br /> TIME cUMULATCV)? DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .2 GPM 7.26 1414 24.0 0.8 0.39 CLEAR <br /> 1.38 7.24 1446 24.6 0.17 0.42 " <br /> ' 2.76 DRY DRY <br /> 4.14 " <br /> PURGE METHOD: HONDA CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. <br /> ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 17.24' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE, <br /> WELL LOCATION: SEE SITE MAP. <br /> ' REMARKS: POOR RECHARGE 1 GRAB SAMPLE. <br /> WEATHER: CLEAR SKIES. - WIND: NONE <br /> QUALITY CONTROL: ALL PURGING E2 UIPMNAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.D.T. 17 55 GAL.STEEL DRUMOR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLIIVIST SLOPE METER THERMODINE 58013 P.I.D. <br /> KECK INTERFACE METER TURDIDI I Y METER <br />