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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW - 7 DATE: 11/3/2004 <br /> ' PROJECT NAME: GEORGE'S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 10:00 <br /> CITY,STATE: TRACY, CA. SAMPLE CONTAINERS: 4 VOA'S <br /> SITE CONTACT: GEORGE&MAE PRESERVATIVES: HCL <br /> ' CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> ' PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: . -DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: -%.'7� WELL CASING DIA..: 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.LD.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's) 12.62 FEET CALC.PURGE VOL.: 1.43 GAL. <br /> DEPTH OF WELL: (feeL100th's) 21.40 FEET TOTAL VOLUME PURGED: 4.30 GAL. <br /> ' STANDING WATER COLUMN 8.78 FEET DEPTH OF PUMP 20 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOUNE DOWN RATE OXYGEN COLOR <br />' PERPURGE (D.T.W.) (GPMlLPM) (units) (MsMA05) (Celsius) (Mvolts) (PPM) (N.T•U.) <br /> 0 NIA _2 GPM 7.93 1493 21.9 -29 1.3 LT.BROWN <br /> 1.43 DRY DRY <br /> 2.87 „ <br /> 4.30 , <br /> PURGE METHOD: HONDA CENTRIFUGAL PUMP, <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING, <br /> D.T.W.AFTER PURGE: I).T.W.AT SAMPLE TIME: '17.70' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br />' REMARKS: POOR RECHARGE/GRAB SAMPLE. <br /> WEATHER: CLEAR SKIES. WIND: NONE <br />' QUAI,TTY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.1755 GAL STEEL DR UM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOL ,4ET SLOPE METER THERMODINE 580B P.I.A. <br /> KECK INTERFACE METER' TURBIDITY METER <br />