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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2 003 <br /> ... ........ ... .............. .... ....... .. ...... .... ....... ..... .. ... ...... .. ..... .......... <br /> ... . ...... .............. ... ....... .......................... .. <br /> ...... . .......... ................. <br /> ... ..... ....................... . ....... .. ...... ..... ................. .I............. <br /> .................... ....... ......... .... ....... .. <br /> ............ .. .......... ........ <br /> SAMPLE LOCATION MW- 7 DATE: 2/14/2003 <br /> ............................ ...... ....... .. ............... . .. ... <br /> ................... ... .. ........... ............ ....... <br /> ...................... <br /> LL ........... ........ ..... ...... <br /> PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME. 10:26 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUSA I PRESERVATIVES: HCL&TSP <br /> , CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS <br /> .................. ......... .. ........... .. ........... <br /> —........ ................... .... ... . . . ......... ... ........ ..... . ................ ............... .. .... . <br /> PROJECT MANAGER- ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA. : 2'r / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A MUSTY <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 7.84 FEET CALC. PURGE VOL.: 2.23 GAL. <br /> DEPTH OF WELL: ( et.100th's)_ 21.52 FEET TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN: 13.68 FEET DEPTH OF PUMP: N/A FEET <br /> ............ .... ..... .........I........... ...... ........I........� I.......... <br /> ................... .. ........... .. ..... ........... .... . . . ..... ...... .. .............. .... ... <br /> ..... ..... .......... <br /> FIELD PARAMETERS <br /> .. ........ ......... .. <br /> .......... .... <br /> ...................... ................. I........ <br /> TIME r 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.) (GPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (ppm) (N.T.u.) <br /> 0 N/A J GPM 7,46 1585 20 40.2 0.48 BROWN <br /> 2.5 7.46 1606 20.3 14.2 0.47 CLEAR <br /> 5 7.48 1627 20.7 10.7 0.46 <br /> 7.5 7,48 1630 20.7 3.3 0.46 <br /> ........ ........ ........ .......... .. <br /> . ................ .............. ... . .. . ..... ........ ..................... .... .......... <br /> F 77-- <br /> PURGE METHOD: DEDICATED WATERRA PUMP, <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 8.74' <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 EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A SrE4MCLEANER&.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 /> SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> KECK INTERFACE METFR TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />