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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003/GLOBAL I.D. # T0607700605 <br /> SAMPLE LOCATION /MW 1 DATE: 12/17/2003 <br /> 77 <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 15:32 <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 /> PROJECT MANAGER IRV MONUMENT: FLUSH <br /> SAMPLER: A DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDI GROUNDWATER P.I.D. READING I ODOR: N/A LT.FUEL <br /> TOP OF CASING ELEVATION: MSL COLOR: BLACK TO LIGHT GREY <br /> DEPTH TO WATER: (feet.100th's) 34.37 FEET CALC.PURGE VOL.: 3.49 GAL, <br /> DEPTH OF WELL: (feet.100th's) 55.78 FEET TOTAL VOLUME PURGED: 10.48 GAL. <br /> STANDING WATER COLUMN: 21.41 FEET DEPTH OF PUMP: 53 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING PH E. C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING'VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPM/LPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.37 1195 20.3 -130.2 1.59 BLACK <br /> 3.49 7.29 1273 19.8 -133.6 2.03 <br /> 6.99 7.29 1236 20 -127.2 2.2 LT. GREY <br /> 10.48 7.38 1222 19.8 -116.9 2.11 " <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 37.77' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTALLED.. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: OVERCAST&COLD WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT 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 MULTIPROBE SYSTEM Y.S.1,DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> . KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: 12 SOIL: 17 EMPTY <br />