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DEL-TECH GEOTECHTIICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003/GLOBAL I.D. # T0607700605 <br /> SAMPLE LOCATION 1 MW 7S DATE: <br /> 9/25/2003 <br /> PROJECT NAME. OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: <br /> 300 S. CALIFORNIA STREET SAMPLE TIME: 11:08 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: HCVO.A.'s <br /> � <br /> SITE CONTACT: NONE PRESERVATIVES: <br /> CONSULTANT: FOOTHILL ENG, LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER <br /> IRV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC 0.1632 <br /> SIGNED: WELL CASING DIA. <br /> NIA ONE <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: GREY TO CLEAR <br /> TOP OF CASING ELEV ION: MSL COLOR: <br /> DEPTH TO WATER: (feet lMth's) 33.48 FEET CALC.PURGE VOL.: <br /> 5.03 GAL. <br /> DEPTH OF WELL: (feetl©Oth's) 64.32 FEET TOTAL VOLUME PURGED: 1562 <br /> FEEt <br /> STANDING WATER COLUMN: 30.84 FEET DEPTH OF PUMP <br /> FIELD PARAMETERS <br /> CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> TIME cUMUL OXYGEN COLOR <br /> CASNG VOLUME DOWN RATE <br /> PERPURGE (D.T.W.) (GPM/LPMI (units) (UMHO5) (Celslus) (Mvolts) (0 43 GREY <br /> 0 NIA .5 GPM 7.51 1398 21.4 4.0 <br /> 5.03 7.50 1414 21.2 -2.0 0.41 CLEAR <br /> 10.07 7.50 1417 21.2 -5.0 0,50 <br /> 15.10 7.49 1411 21.1 -1.0 0.44 <br /> 77 <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 36.60' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. NEW LOCK INSTALLED., <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQ UIPMENT AND 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 MLILTIPROBE SYSTEM Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.A. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />