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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> SAMPLE LOCATION/MW- 7 DATE: 9!212003 <br /> PROTECT NAME. VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 13:20 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUVA 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. : 2" / 0.1632 <br /> SAMPLE MED GROUNDWATER P.I.D.READING 1 ODOR: NIA NONE <br /> ' TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: (feetlWth's) 8.14 FEET CALL.PURGE VOL.: 2.18 GAL. <br /> DEPTH OF WELL: (feetI00th's) 21.52 FELT TOTAL VOLUME PURGED: 6.55 GAL. <br /> STANDING WATER COLUMN 13.38 FEET DEPTH OF PUMP 20 FELT' <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING j pH E. C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE I OXYGEN COLOR <br /> ' PER PURGE (D.T.W.) (GPM&LPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 7.72 1880 22.6 -52.6 0.54 LT. BROWN <br /> 2.18 7.73 1892 22.4 -64.7 0.51 " <br /> ' 4.37 " 7.72 1912 22.9 -66.9 1.21 CLEAR <br /> 6.55 7.70 1920 23 -61.5 1.47 <br /> <' <br /> PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 9.16' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTALLED. <br /> WELL LOCATION: <br /> ' REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NTR15 <br /> ' QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHASTEAMCLFANER&ALCONOX SOAP. NEWNITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DR UM OR 60 GAL.POLYDR UM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVEDOXYOENMETER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />