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DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2004 SAMPLE LOCATION/MW - 3 DATE. 10/14/2004 PROJECT NAME: SINCLAIR TRUCKING ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY ADDRESS: 3780 W.LINNE ROAD. SAMPLE TIME: 16:44 CITY STATE: TRACY,CA. SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: DON SINCLAIR PRESERVATIVES: HCI, CONSULTANT: GEOLOGICAL TECHNICS,INC. LAB.ANALYSIS BY: SHERWOOD LABS PROJECT MANAGER ERIC PRICE MONUMENT. FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL : PVC SIGNED: WELL CASING DIA. : 2" 01632 ' SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELEVATION: MSL COLOR: BROWN TO CLEAR DEPTH TO WATER: (feeL100th'S) 11.86 FEET CALC.PURGE VOL.: 1.44 GAL. DEPTH OF WELL: (feeL100th's) 20.68 FEET TOTAL VOLUME PURGED: 4.32 GAL. ' STANDING WATER COLUMN 8.82 FEET DEPTH OF PUMP 20 FEET FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PERPURGE 1 .2.T.W.) (GpmiLPM) (units) (UsMIIOs) (Celsius) (MV01ts) (PFM) (N.T.U.) 0 NIA • .5 GPM 1 8.11 2215 20.6 -28 1.4 BROWN 1.44 " 8.09 2071 20.4 -17 1.1 CLEAR 2.88 8.08' • 2132 20.3 -19 1.1 " ' 4.32 8.07 2149 20.2 -18 1.2 " PURGE METHOD: CENTRIFUGAL PUMP. SAMPLE METHOD: DEDICATED TUBING. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 12.01' WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED. WELL LOCATION: SEE SITE MAP. ' REMARKS: WEATHER: CLEAR/HOT WIND: NONE QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. _ CONTAINMENT: D.O.T.17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. ' INSTRUMENTATION: Y.S•I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 580E P.I.D. DECK INTERFACE METER TURBIDITY METER