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Monitoring Well Purging and FLD-103 <br /> ynSampling Log Revision l.0, „ Jul-08 <br /> 1 ATC Branch:54-ModestoeT • Date: /�/rZ� Page ( of <br /> ckt <br /> ATC Representative($): Project:0888 Stoon,Tosco Bulk Terminal 10013 <br /> Location:3505 Navy Drive Stockton,CA <br /> Contact Information: Project No: 75.75118.0886 Task No:54001 <br /> Well ID: MW-8 Contractor. <br /> Weather: Temperature: <br /> 1 / �V•� 4• <br /> Purging &Sampling Instrumentation &Method <br /> Water Level Meter(rmaemm): � �ti;�`J \a�! Interface Probe(modavio):N/A <br /> Water Quality Meter(mademo):YSI 556 Decontamination Method: Alconox and water rinse <br /> Purging Method: _Disp.Bailer I; CenMfugal Pump _Waterra Peristaltic Pump Other._ <br /> ' 3 Well Volumes +� Low Flow Micro Purge =Intake Depth(feet below TOC) <br /> Sampling Method: Teflon Bailer Disposable Bailer Dedicated Tubing Other: <br /> Casing Volume Information Purging Calculations <br /> I Casing Diameter(Circle): 2" 4" " Other Casing Volumes(CV) <br /> I.Ir7a CV <br /> Casing Multiplier(CM)(ye�knstt°op:0.16 65 1 7 WC_x CM_=_( )(vap x 3.0 CV(oeq=_PV <br /> Monitoring Measurements <br /> ' Depth to LNAPL(feet): Top of Screen/Total Well Depth(feet): 5123.56 <br /> Depth to Water(DTW)(fect): �,'Z Water Column(WC)(feet): '�� ,a� <br /> LNAPL Thickness(ft): Purging Start Time: <br /> ' Purging Data <br /> Cum.Vol. Specific Dissolved ORP Other <br /> Time DTW Purged Temp Could. Oxygen pH (mV) <br /> / <br /> (24 Hours) (Feet) (Gallons) (°C) (ms/cm) (m 9L) <br /> +1° +5% +10% +0.1 + 0m <br /> 7(x(3 e, "(o l 1 ri`3 vri` L,t' 1-7... - 110 CA's' <br /> - <br /> b` Or <br /> ilia; - <br /> �:�-� � ��,�� Z�� \•q'L d •fit 5•�a —tq.o <br /> ' Sample Data <br /> ' Sample ID:MW-8 Timeof Sample: t1 Filtered Preservatives Analytical Parameters <br /> (yeslrw) <br /> Container Types,Volumes,&Quantities: <br /> N HCl 8015M;8260B <br /> Glass,40mL,6 <br /> N None 8015M <br /> Ambers,1 L,2 <br /> ' Well Recovery Data <br /> / Approximate Flow Rate(GPM): <br /> Maximum Drawdown(DTWm)(feet): V\L�'� <br /> Recovery Type: Fast _Slow - %Recovery <br /> =. <br /> Purge Water Disposition(Attach Drum Inventory Log-FLD 108): <br /> Comments: <br />