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DEL—TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> .. .... ........ .............. ....... <br /> ........... ....... <br /> ..................... .... .... .. ........ .... . ...... ....... ....... ................. <br /> SAMPLE LOCATION/MW- 101 DATE:' <br /> 11/19/2002 <br /> ........ .... ........... ...... .. <br /> .. .... ...... <br /> .. ....................... .. <br /> . ..... .... <br /> ........... ...... ........ .......... ........... ......... ...... <br /> PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS- FREMONT STREET SAMPLE TIME: 12:27 <br /> CITY.STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUSA PR.ESERVATIVES. HCL <br /> CONSULTANT- GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS <br /> .. .......... <br /> .......... . <br /> .......... ....... <br /> ...... .... ..... .. <br /> ........ ..... ....... . ..... <br /> PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: t DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED- wc WELL CASING DIA. . 211 / 0.1632 <br /> SAMPLE MEDIA- GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVXTION: MSL COLOR: LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: (fect.looth's) 8.86 FEET CALC. PURGE VOL.: 5.28 GAL. <br /> DEPTH OF WELL: (feet.100th's) 41.19 FEET TOTAL VOLUME PURGED: 16.5 GAL. <br /> STANDING WATER COLUMN: 32.33 FEET DEPTH OF'PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> ..... ..... ....­��........ .... . ... ....... <br /> ................ . .. ...... ... <br /> ... .......... .................. . ..... <br /> ........... .. .. ... ... ... ... ... .. ....... ........... <br /> TIME 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.) (GPNI/Lpm) (units) (UMBOS) (Celsius) (Alvolts) (ppm) (N.T.U.) <br /> 0 N/A .5 GPM 7.92 1143 20.2 -37 1.67 GREY <br /> 5.5 11 U 7.89 1237 20.3 -27 1 11 <br /> 11 ti " 7.61 1062 20.4 -76 11 LT.GREY <br /> 16.5 7,65 1060 20.3 -67 <br /> ........... .... ..... . .. .... ...... <br /> ........... ......... <br /> ................ ...... .... <br /> PURGE METHOD: DEDICATED WATERRA PUMP, <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 12.73' <br /> WELL INTEGRITY- CAP&SEAL ARE SECURE. LOCK INSTALLED. <br /> WELL LOCATION: <br /> REMARKS: <br /> - WEATHER: CLEAR SKIES. WIND; NWS <br /> QUALITY CONTROL- ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD fVITHA STE.4MCLEANER&ALCONOX SOAP. NEIVNITPJLE GLOVES <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUMOR 60 GAL.POLYDRUM, <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLWIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />