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�. DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> SAMPLE LOCATION/MW- 4 DATE: 3/6/2003 <br /> PROJECT NAME: ESCALON/FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1350 ESCALON AVENUE SAMPLE TIME: 9:49 <br /> CITY,STATE: ESCALON,CA SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES: HCL/TSP <br /> u <br /> CONSULTANT: GEOLOGICAL TECHNICS I LAB.ANALYSIS BY: SHERWOOD LABS. <br /> .. ....... ..... ....... ............... ....... <br /> PROJECT MANAGER RAY&MIKE MONUMENT: FLUSH <br /> u <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DLA.: 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's) 63.08 FEET CALC.PURGE VOL.: 2.47 GAL. <br /> DEPTH OF WELL: (feet.100th's) 78.20 FEET TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN: 15.12 FEET DEPTH OF PUMP: N/A FEET <br /> u <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.) (GPMILPM) (units) (UmMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.25 746 18.8 64 N/A LT.BRN. <br /> "r 2.5 7.19 736 19.4 75 11 " <br /> 5 7.15 729 19.3 84 " <br /> 7.5 7.14 725 19.3 89 " <br /> :r <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 65.79' <br /> u 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 EQ UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD W177-IA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES <br /> 60 CONTAINMENT: D.O.T:17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. <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 /> V <br /> 4.r <br />