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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW- 2 DATE. 10114/2004 <br /> PROJECT NAME: SINCLAIR TRUCKING ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 3780 W.LE4NE ROAD. SAMPLE TIME: 16:10 <br /> CITY STATE: TRACY,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> ' SITE CONTACT: DON SINCLAIR PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS,INC. 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.: 2-1 / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.LD.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEVATION: MSLCOLOR: BROWN TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 11.62 FEET CALC.PURGE VOL.: 1.39 GAL. <br /> DEPTH OF WELL: (feet.100th's) 20.11 FEET TOTAL VOLUME PURGED: 4.16 GAL, <br /> STANDING WATER COLUMN 8.49 FEET DEPTH OF PUMP 20 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING ........... C. <br /> C <br /> . ... .::... .,. .. : . ... ...., <br /> 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) (UsMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 8.00 2001 21.7 -30 0.52 BROWN <br /> 1.39 " " 8.00 2238 21.3 -29 0.54 It <br /> 2.77 8.02 1973 21.3 -29 0.50 CLEAR <br /> ' 4.16 8.05 1969 21.3 -22 0.47 " <br /> 1177,77, <br /> PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> ' D.T.W.AFTER.PURGE: D.T.W.AT SAMPLE TIME: 11.80' <br /> WELL INTEGRITY: CAP&.SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED. <br /> WELL LOCATION: SEE SITE MAP. <br /> ' REMARKS: <br /> WEATHER: CLEAR I HOT WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES, <br /> CONTAINMENT: D.0-T 17 55 GAL.STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3550 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />