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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> ... ........ .......... 7..7. ......... <br /> ............... <br /> ................. <br /> .......... .......... <br /> "'SiMPLE LOC'A'T'I*O'N It MW - 101 BATE: 8/22/2002 <br /> .......... ... <br /> ..... ..... <br /> .......... ............. ...... <br /> ' PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: —SEE CHAIN OF CUSTODY <br /> , , <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 10:40 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS <br /> ................. .... .. ....... <br /> ............................ . <br /> ... ... ..... ....... ........ .. <br /> PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH ... <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA. : 211 / 0.1632 <br /> -SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATtON: MSL COLOR- GREY <br /> DEPTH TO WATER: (feet.looth's) 10-95 FEET CALC.PURGE VOL.: 4.94 —GAL. <br /> DEPTH OF WELL: (feet.100th's) 41.19 FEET TOTAL VOLUME PURGED: 15 GAL <br /> STANDING WATER COLUMN: 30.24 FEET DEPTH OF PUMP: N/A FEET <br /> �7 ... ..... . ...... .... .................... . .. ........ <br /> ...... ......... ........ <br /> ........... ...... ....... . ... <br /> L ......... . ....... . ....... . <br /> ......................... <br /> FIELD PARAMETERS <br /> .......... ........... <br /> ....... ...................... . ...... <br /> ................. ...... ......... ...... <br /> 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.) (GPM/LPM) (units) (UMHOS) (Celsius) (Mvolts) (ppm) (N.T.U.) <br /> 0 N/A .5 GPM 8.13 1155 21.6 1 17.9 N/A GREY <br /> 11 8.07 1123 21.3 11.0 if IT <br /> 10 IT IT 8.06 1088 20.9 8.1 IT 11 <br /> is IT 8.15 1120 21.1 6.7 <br /> .............. ................. .... <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: 12.68' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE.LOCK INSTALLED. <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED flV THE <br /> FrELD WITHA STEAMCLEANER&ALCOMOXSOAP. NEW NITRILE GLOVES <br /> CONTAINMENT: D.D.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 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />