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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004/GLOBAL I.D. # T0607700605 <br /> SAMPLE LOCATION/ MW- 7S DATE: 3/232004 <br /> E <br /> PROJECT NAME: 3LIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S.CALIFORNIA STREET SAMPLE TIME: - 10A2 <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 ERV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: Av WELL CASING DIA. : 211 / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVA41ON: MSL COLOR: LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER: (fect.100th's) 32.96 FEET CALC.PURGE VOL.: 5.12 GAL. <br /> DEPTH OF WELL: (feet.100th's) 64.32 FEET TOTAL VOLUME PURGED: 15.35 GAL. <br /> STANDING WATER COLUMN: 31.36 FEET I DEPTH OF PUMP: 62 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.) (GPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.44 1336 21.2 -117.6 0.55 LT.BRN. <br /> 5A2 7A0 093 21.1 4161 187 CLEAR <br /> 10.24 7.46 1285 20.6 -115.6 1.09 <br /> 15.35 7.47 1287 20.8 -108.6 0.88 <br /> PURGE METHOD; DEDICATED WATERRA PUMP. <br /> —SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE; D.T.W.AT SAMPLE TIME; 40.74' <br /> WELL INTEGRITY;' CAP&SEAL ARE SECURE. LOCK TNSTALLED., <br /> WELL LOCATION: <br /> _REMARKS: <br /> —WEATHER: CLEAR&COOL. WIND: NWS jr WAS CLEANED M THE <br /> QUALITY CONTROL: ALL PURGING EQblWV&VTAND SAMPLING EQUIPMEN <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 CAL. POLYDRUAM. <br /> INSTRUMENTATION: Y.S.I.556 MULTIPROBE SYSTEM Y.S.I.DISSOLVED OXYGEN METER <br /> SOLMIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> OF DRUMS ON SIGHT: WATER: SOIL: <br />