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DEL—TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD L 0 G 2002 <br /> ........ ....... .. .............. ......... ..... ... .......... .......... . <br /> ................. ... .. ....... ................... . .................. ..... ... <br /> SAMPLE L0CATION MW 14D DATE: 2/21/2002 <br /> ................. ...... . ........ .. .. ............. ....... .. ....................................... ...................... <br /> ............. .. ........................I— — ­.. .......... ..... . ...... ........I......................... ............ <br /> ............. ..................... ........ ........... ...... ........................... ..... ...... ...I....... ........ <br /> PROJECT NAME: DELMONTE-STOCKTON. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: I 10 FILBERT SAMPLE TIME: 11:15 <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 /> ................ ....... ....... .. .77777771 <br /> PROJECT MANAGER: TONY MARTIN MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA.'-. 211 / 0.1632 <br /> —SAMPLE MEDIn GROUNDWATER P.I.D.READING/.ODOR: N/A SULFUR <br /> TOP OF CASINC.ELUTICIN: MSL COLOR: LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: ( et.lootills) 50.20 FEET CALL. PURGE VOL.: 18.57 GAL. <br /> DEPTH OF WELL: _(feet.100th's) 164.00 FEET TOTAL VOLUME PURGED- 55.5 GAL. <br /> STANDING WATER COLUMN: 113.80 FEET DEPTH OF PUMP: N.A FEET <br /> ..... ......... .. .... .......... ................... <br /> ............ ........ ................ <br /> .. ... .. ................ .... .................. .......... <br /> FIELD PARAMETERS <br /> . .......... <br /> .......................... . ........ ...... .......................... ... ......... .... ..... . .......... <br /> I.%- ...... ...................... :�:X <br /> .......... .......... ... .. .. .... ................................................................... <br /> TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP.1 O.R.P. DISSOLVED1 TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (Msmflos) (Celsius) (Mvolts) (ppm) (N.T.U.) <br /> 0 N/A I GPM 7.42 506 19.1 -120 NIA LT.BRN. <br /> 18.5 7.28 529 19 -113 CLEAR <br /> 37 7.31 518 19.1 -102 <br /> 55.5 7.31 516 19.1 -93 <br /> ....................................................................................... <br /> .............. <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.-W.AT SAMPLE TIME: 61.82' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER- CLEAR SKIES. WIND: <br /> QUALITY CONTROL- ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.0.T 17 55 GAL.STEEL DRUM OR 60 GAL,POL Y DR UM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SdLTNIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />