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1 <br /> ��„y� - Monitoring Well Purging and FLD-103 <br /> Sampling Log Revision 1.0 <br /> a . lNc. Jul-08 <br /> ' ATC Branch:54-Modesto Date: Page of <br /> ATC Representative(s): Project:U888 Sto kton,Tosco Bulk Terminal 10013 7 <br /> Location:3505 Navy Drive Stockton,CA <br /> ' Contact Information: Poject 75 75118Task No;54001 <br /> Well ID: MW-21B Contractor: <br /> ' Weather: .�� Temperature: <br /> Purging&Sampling Instrumentation & Method <br /> ' Water Level Meter(woaainD): t (17 linterface Probe(MMOIAD):NIA <br /> Water Quality Meter(Modairy YSI 556 Decontamination Method: Alconox and water rinse <br /> Purging Method: _Disp.Bailer _Centrifugal Pump Walema _ Peristaltic Pump Other. <br /> 3 Well Volumes .✓ Low Flow Micro Purge _ Intake Depth(feet below TOC) <br /> Sampling Method: Teflon Bailer 1,=:::::'Ssposa1ble Bailer _ Dedicated Tubing Other: <br /> Casing Volume Information Purging Calculations <br /> Casing Diameter(Circle): 2" 4" 6" Other Casing <br /> ��Volumes(CV): <br /> Casing Multiplier(CM)(vallonsiroop: 6 0 5 1.47 WCy f%XcAk _ /, ri <br /> PV <br /> Monitoring Measurements <br /> Depth to LNAPL(feet): _� Top of Screen I Total Well Depth(feet): 45 1 50 ( 8.3 <br /> Depth to Water(DTW)(feet): s„ Water Column(WCxfeet): y l <br /> LNAPL Thickness(ft): ! l C <br /> Purging Start Tlme: [ <br /> Purging Data <br /> Timo DTW Cum.Vol. Tom Specific Dissolved H ORP <br /> Purged p P <br /> Cord. Oxygen (mV) Other <br /> (24 Hours) (Feet) (Gallons) (°C) (mSlcm) (mglL) <br /> t19 t *x t10% t0.1 t10 V <br /> �.�5 7FTV—LI) g-7. r <br /> Sample Data <br /> Sample ID:MW-21B Time of Sample: j Cs Filtered <br /> Container Types,Volumes,&Quantities: (Yesho) Preservatives Analytical Parameters <br /> ' Glass,40mi-,6 N HCl 801510; 82608 <br /> Ambers, 1 L,2 N None 8015M <br /> ' Well Recovery Data <br /> Maximum Drawdown.(DTWm)(feet): )L. 3 Approximate Flow Rate(GPM): <br /> Recovery type: Fast Slow "Recovery <br /> Purge Water Disposition(Attach Drum Inventory Log-FLD 108): <br /> ' Comments: D"Q' 41-� \- —(,,, ly, T- <br />