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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> ... ....... ...... I.. .. .. ...... .... ......... ...... .... .. ... .......... .......... ............. ........... ......... <br /> ............... ................ ... .. ...................I........ ........... . .........................__...... .................. <br /> .....­­,­............ ....­­..... ......... ....... ...­.. .-�.....I�........ ...........I.......... . ............. ........ ... <br /> ..I............................. .. ... ............ ........ ..... . ...... ... .. ... ...... ................... . .......... ....I...... .. <br /> ........ .......I�........ ....... . .......I................... ....... ......I ....... ................. ... <br /> ... ....... ...... ........... ......... .... .......... ...... . .. ........... ................................ <br /> SAMPLE LOCATION /MW - 8 DATE: 2/1412003 <br /> ...... .... ...........I.... ..........I............ .......... ............ ......... .. ................ . ......... ....... <br /> ... ....... ..... .. .... ................. ......... .. ........... <br /> ... ........ .. <br /> ........ ..... ..................... ..........I—I...I.... ............... ...... ........... .. .............. ...... <br /> .... ............... ...... .... ... .......... .. ............... ........... ..... . ............ . ......... <br /> .... ..................I.......... ..... . ...... .... ..... . ...­...­ ........... ..... .......... <br /> ............... .... ...... ....... ... ..... ..... ...... .... ................. .. ...... <br /> PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME. 9:53 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL&TSP <br /> CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS <br /> ........... <br /> PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2" 1 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION. MSL COLOR: BROWN <br /> DEPTH TO WATER: ( et.100th's) 8.44 FEET CALC. PURGE VOL.: 2.15 GAL, <br /> DEPTH OF WELL: (feet.lootli's) 21.62 FEET TOTAL VOLUME PURGED: 6 GAL. <br /> STANDING WATER COLUMN: 13.18 FEET DEPTH OF PUMP: N/A FEET <br /> .......... ..... ...... .. .. ......... .. ...... ......... .............. .. <br /> FIELD PARAMETERS <br /> T ... ...... . .... .. ............... .. ... ....I....... <br /> ............... .......... ... .. .. .. ................ ....... ........... <br /> . .......... ....I.................... ......................I. ..........—I..... .. .. ............ <br /> ...... .... .... ....... ..... . ..... ............... ... ........O.R.P. DISSOLVED... <br /> T TURBIDI <br /> I pH CUMULATIVE DRAW PUMPING E.C. TEMP. yl <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GpmfLPA (units) (UMBOS) (Celsius) (Mvolts) {Pprvl) (N.T.U.) <br /> 0 N/A .5 GPM 7.41 1574 22.3 -19.6 0.46 BROWN <br /> 2 't 7.40 1598 22,5 -18.8 0.41 it <br /> 4 it 7.35 1594 22.6 -18.2 0.40 <br /> 6 7.37 1599 22.5 -16,7 0.37 <br /> ................ ...... ....... ..... .. ... ... <br /> PURGE METHOD-. DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD. DEDICATED TUBING. <br /> D.T.W.AFTER PURGE- D.T.W.AT SAMPLE TIME: 10.08, <br /> WELL INTEGRITY. CAP&SEAL ARE SECURE. LOCK INSTALLED. <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND-. NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING f2UIPMEAT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLE.4NER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUMOR 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 /> OF DRUMS ON SIGHT: WATER: SOIL: <br />