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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002/GLOBAL LD. # T0607700605 <br /> ...... .... ... ...... .... <br /> SAMPLE LOCATION / MW- 7S DATE: 9/17/2002 <br /> ........ .... ....11...I........... ...... <br /> ....................... .... .... .. ....... <br /> ........ . ............. ... <br /> ... ... . ...... ...... <br /> ...... ........... .... .. . . . ..... ....... ....I . .'', .... .. <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PER-FORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 12:31 <br /> CITY,STATE- STOCKTON,CA. SAMPLE CONTAINERS: 2 V.O.A.'s <br /> SITE CONTACT: NONE PRESERVATIVES: HCL <br /> CONSULTANT: FOOTHILL ENG. LAB.ANALYSIS BY: SHERWOOD LABS <br /> ...... ..... <br /> PROJECT MANAGER IRV MONUMENT: FLUSH <br /> SAMPLER: L DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED: WELL CASING DIA. : 211 / 0.1632 <br /> SAMPLE MEDIA: 1) GROUNDWATER P.I.D. READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVXTION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th's) 31.95 FEET CALC. PURGE VOL.: 5.28 GAL, <br /> DEPTH OF WELL: (feet.100th's) 64.32 FEET TOTAL VOLUME PURGED: 15 GAL. <br /> STANDING WATER COLUMN: 32.37 FEET DEPTH OF PUMP: TUBING FEET <br /> ........ .. <br /> ................... . ...............I... ....... ........ .... <br /> ....... ...... <br /> ........... ..:.. ....... ..... .... <br /> ......... ..... ............. . <br /> ...... .... ....... . ....... ..... ... .. .... . ... .... .... . <br /> FIELD PARAMETERS <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.) (GPM/LPM) (units) (UM110S) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.80 889 21.4 1 -70.8 0.73 CLEAR <br /> 5 7.78 891 21.4 -100.0 0.77 <br /> 10 7.70 889 21.4 -104.4 0.64 <br /> 15 7.74 890 21.6 -120.8 0.60 <br /> ... ... .. .... ... .................. .. . .... . <br /> . .... .. ......... ..... . . . .. . . . . .. ........... .. <br /> PURGE METHOD: DEDICATED WATEM PUMP.-- <br /> -SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 36.94' <br /> —WELL INTEGRITY: CAP&SEAL ARE SECURE. NO LOCK. <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DR UM OR 60 GAL.POLY DR UM. <br /> INSTRUMENTATION: Y.S.I.556 MULTIPROBE SYSTEM Y.S.I.DISSOLVED OXYGEN METER <br /> • SOLINIST SLOPE METER THERMODINE 5808 P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> OF DRUMS ON SIGHT: WATER: SOIL: <br />