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DEL-TECHGEOTECHNICALSUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> ...... ................... <br /> .......... .................................................................... .... ............ ........................ <br /> ................................................................................ <br /> ................. <br /> SAMPLE LOCATION/MW- 101 DATE: 9/23/2002 <br /> ......................................... <br /> ................................... ............ ......... . ............ <br /> ........................ .............. <br /> PROJECT NAME: ESCALON/FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1350 ESCALON AVENUE SAMPLE TIME: 13:20 <br /> CITY,STATE: ESCALON,CA SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> ICONSULTANT: —GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS. <br /> . . ....... ..I.,............................ <br /> ..... ......... .. <br /> ... ............... <br /> ..... ............ I......... <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: ROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING Ej,lRVATlCfN- MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's) 63.75 FEET CALC.PURGE VOL.: 3.62 GAL. <br /> DEPTH OF WELL: (feet.100th's) 85.95 FEET TOTAL VOLUME PURGED: 12 GAL. <br /> STANDING WATER COLUMN: 22.20 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.) (Gm/um) (units) (UmMHOS) (Celsius) (Mvolts) (ppm) (N.T.U.) <br /> 0 N/A .5 GPM 7.39 537 20.6 47.3 N/A LT.BRN. <br /> 4 7.41 540 20.4 49.1 <br /> 8 7.44 544 20.6 54.9 <br /> 12 7.46 549 20.4 66.5 <br /> ............... ....... ......................... <br /> ................. ............. .... ........... ......... <br /> ....................I..... ... . ............. ... <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 77.72' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQ UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEWNITRILE 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 /> SOLMIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />