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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION/MW- 5 DATE: 12/30/2002 <br /> PROJECT NAME: ESCALON/FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1350 ESCALON AVENUE SAMPLE TIME: 14:00 <br /> CITY,STATE: ESCALON,CA SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES: HCL/TSP <br /> ,r CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS. <br /> PROJECT MANAGER RAY&MIKE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: 'PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDIA. GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING Elf, ION: MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's) 62.33 FEET CALC.PURGE VOL.: 1.80 GAL. <br /> DEPTH OF WELL: (feet.100th's) 73.38 FEET TOTAL VOLUME PURGED: 6 GAL. <br /> STANDING WATER COLUMN: 11.05 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING 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) (UmMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.16 675 19.2 32.8 N/A LT.BRN. <br /> 2 7.03 570 19.4 31.9 of <br /> 4 " " 7.02 566 19.4 37.9 " It <br /> 6 7.01 564 19.4 40 " <br /> .. PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 64.78' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND 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 DR UM OR 60 GAL.POLY DR UM. <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 TURBIDITY METER <br />