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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> ro <br /> SAMPLE LOCATION /MW 3 DATE: 7/23/2003 <br /> —PROJECT NAME: SINCLAIR TRUCKING ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS: 3780 W.LUqNE ROAD. SAMPLE TLMIE- 9:10 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES: HCL&TSP <br /> CONSULTANT: GEOLOGICAL TECHNICS,INC. LAB.ANALYSIS BY: SHERWOOD LAB. <br /> PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: i DEL-TECH WELL CASING MATERIAL P'vc <br /> SIGNED: WELL CASING DIA. : 2" 0.1632 <br /> SAMPLE MEDW- GROUNDWATER P.I.D. READING/ODOR: N/A NONE <br /> TOP OF CASING FLr4VATION: MSL COLOR: BROWN TO CLEAR <br /> DEPTH TO WATER: (feet]00th's) 9.66 FEET CALL.PURGE VOL.: 1.90 GAL. <br /> DEPTH OF WELL: (feet.100th's) 20.68 FEET TOTAL VOLUME PURGED: 6 GAL. <br /> STANDING WA TER COLUMN: 11.02 FEET I DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E. C. TEMP.:i O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (1).T.W.) (GPM/LPM) (units) (IjsMIHOS) (Cdsins) (mvolts) (ppm) (N.T.U.) <br /> 0 NIA 5 GPM 7.59 2835 22.9 1.4 0.83 BROWN <br /> 2 7.74 2654 21 0.2 0.36 CLEAR <br /> 4 7.80 2609 20.9 2.1 0.32 <br /> 6 7.83 2589 20.8 4.4 0.52 <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP, <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME. 12.28' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAT_STEEL DRUM OR 60 GAL POLY DR UM, <br /> INSTRUMENTATION-, Y.S.I.3560 FLOWCELL Y.S.1,DISSOLVED 0XY0EN METER <br /> SOLlNlST SLOM METER THERMODINE 580B P.I.D. <br /> MCK INTERFACE METER TURBIDITY METER <br />