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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> ....................*......... ... ................................... ......................................................... <br /> ...... ........ <br /> ..... ........... .... . .... ...... . ... .. ................. <br /> ......... ... .....................................I................... .........I'll.............. <br /> ... ........................ .. .. ........1.�............... .. ........... . .............. ............ <br /> .. .. ....... . ..... ........ .. .. ....................... .. ................. .1.11.1................ <br /> F7SAMPLE LOCATION/MW - 4 DATE: 2/21/2002 <br /> .... ................................................................. . ........................... .... ........... .................. . <br /> ......... .... . .. .. ...11'' .......... . .................-11............. .... ..................... <br /> ......... ..... .. ...........— <br /> ........ .. ....................... <br /> PROJECT NAME: DELMONTE-STOCKTON, ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 110 FILBERT SAMPLE TIME: 13:10 <br /> CITY,STATE: STOCKTON,CA . SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES- HCL <br /> [ CONSULTANT: KLEINFELDER LAB.ANALYSIS BY: BSK LABS <br /> ........... .............. .... <br /> ... ........... .......... <br /> ............... ...... <br /> PROJECT MANAGER: TONY MARTIN MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2'r / 0.1632 <br /> SAMPLE MEDIA U GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> G TION: MSL COLOR: <br /> TOP OF CASING ELE T LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: (feet.lootills) 49.93 FEET CALC.PURGE VOL.: 6.48 GAL. <br /> DEPTH OF WELL: (feet.loottils) 89.62 FEET TOTAL VOLUME PURGED: 19.5 GAL. <br /> STANDING WATER COLUMN: 39.69 FEET DEPTH OF PUMP: 80 FEET <br /> ..... .......... ... .. <br /> ......................... . . <br /> FIELD PARAMETERS <br /> ....... .. . I.,........ .............................. .......... ............. ... . .......... ........................ <br /> ....... ........ <br /> ...... ...... ...... ........ <br /> TIME <br /> CUMULATIVE DRAW PUMPING PH E.C. TEMP, O.R.P. IDISSOLVED1 TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> (Mvolts) <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (MsMHOS) (Celsius) (PPM) (N.T.U.) <br /> 0 N/A I GPM 7.23 489 20.8 22 N/A LT.BRN. <br /> 6.5 7.21 490 20.9 76 —it <br /> 13 7.22 492 20.7 76 CLEAR <br /> 19.5 7.18 502 21 89 <br /> ............. <br /> PURGE METHOD: 2"GRUNDFOS STAINLESS STEEL SUBMERSIBLE PUMP. <br /> ........................... <br /> .................I........... ...... . .. ........ .. .................. ........ .................... <br /> ..................... <br /> SAMPLE METHOD: DISPOSABLE 3'POLY BAILER. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 55.81' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> if <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES <br /> 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 /> S&INIST SLOPE METER THERMODINE 5808 P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />