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DEL—TECH GEOTECHNICAL SUPPORT SERVICES <br />� i <br /> MONITORING WELL FIELD LOG 2002 <br /> ....... ... .................. .......... .. ....... ........... .....--....... ... .... . .. ........ <br /> . .. ....... .... .... ...... ........ . ............... ....... <br /> .......... ... . . .. <br /> ................ .... ..... ............. .. ... . . <br /> SAMPLE LOCATION MW - DATE: 11119/2002 <br /> ................. ...... ...... ..... ....... ....... .............. . .. ..... <br /> PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 16:25 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS <br /> .... . .... ........... .. ... ...... ... .................... <br /> ............ <br /> .... ....... <br /> .......... ...... ...... <br /> PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: lx'A <br /> WELL CASING DIA. 2" 0,1632 <br /> SAMPLE MEDIA:"-) GROUNDWATER PJ.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: (feet.looth's) 8.83 FEET CALC. PURGE VOL.: 1.93 GAL. <br /> DEPTH Of WELL: (feet.1 00th's)_ 20.65 FEET TOTAL VOLUME PURGED: 6 GAL, <br /> STANDING WATER COLUMN: 11.82 FEET DEPTH OF PUMP: N/A FEET <br /> ............. <br /> .... ......... ....... ........................ <br /> ...... .............. ....... <br /> FIELD PARAMETERS <br /> M ...... . <br /> 'TIME <br /> ...........C...U..M....U...L..A...T...I.V...E...................D...R..A.W.........P...U...M....P..I..N....G...........pH...............E...0.... ........ <br /> ..... <br /> TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPNVLPNI) (units) (UmHOS) (Celsius) (mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.45 1011 22.9 -100 0.97 LT.BRN. <br /> 2 7.36 958 23 -94 CLEAR <br /> 4 7.34 942 23 -84 <br /> 6 7.33 937 23.1 -80 <br /> .... ........I............ ............ .. ................ <br /> .. .............. ............ ... ... .......... ....... ... ........ . <br /> ........... ...... .... .............. .. ..I.......... <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> D.T.W.AFTER PURGE- D.T.W.AT SAMPLE TIME: 9.05, <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTALLED, <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER- CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL. ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITIf.4 STEAMCLEANER&AL CONOX SOAP. NEW NITRILE GL 0 VES. <br /> CONTAINMENT. D.O.T. 17 55 GAL,STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.ST 3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> OF DRUMS ON SIGHT: WATER: SOIL: <br />