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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002/GLOBAL I.D. # T0607700605 <br /> SAMPLE LOCATION / MW- 5 DATE: 12/30/2002 <br /> ........................ ....................... .... <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 13:00 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 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: DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE ME GROUNDWATER P.I.D.READING/ODOR: N/A LIGHT FUEL <br /> TOP OF CASING.E VATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: feet.100th's 32.00 FEET CALC. PURGE VOL.: 11.31 GAL. <br /> DEPTH OF WELL: feet.100th's 100.97 FEET TOTAL VOLUME PURGED: 34.5 GAL. <br /> STANDING WATER COLUMN: 68.97 FEET DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <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) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A 5 GPM 7.58 1285 19.7 405.0 0.82 CLEAR <br /> 11.5 it 7.62 1330 20.1 -150.0 0.38 " <br /> 23 7.63 1338 20.9 -151.0 0.53 " <br /> 34.5 7.67 1336 20.9 448.0 0.97 " <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 42.71' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. NEW LOCK INSTALLED. <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: OVERCAST/RAININ WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL,STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.556 MULTIPROBE SYSTEM 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 />