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42 <br />' �a IT1 <br /> MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW-1 <br /> ' Project Name E-Z Serve Location No 100878 Project No 43 25827 0025 <br /> Project Address I City I County 1012 West Yosemite Avenue,Manteca,California <br /> Water Level Meter(Model D) ATC-1 hrterfacc Probe wodevm) N/A <br /> Water Quality Meter(ModdID) HYDAQ Decontamination Method 3-stage bucket (wash, tap rinse, DI rinse) <br /> 1 Purging Method —)L PVC Batley _Vacuum Truck _Submersible Pump Other <br /> Sampling Method Teflon Bailer Disposable Bailer Other <br /> tBorehole Diameter(Circle) 8" 10" 12" Casing Diameter(Cwcle) 2" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(galtons/root) 081 is 195 Casing Multiphcr(CM)(galtonslroot) 0 16 0 6V 147 587 13.2 235 <br /> ' Depth to Free Product(feet) ( Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) t WC x BM = (BVXpi) x 15 BV{gal) <br /> ' Total Well Depth(feet) Casing Volumes(CV) <br /> Water Column(WCxfeet) i WC f I Z-5 x CM (05 = (CV){,.1) x 3 0 CV(gat) z <br /> ' Free Product Thickness(feet) Free Product Purged(gallons) <br /> Cum.Vol Purged Electric Conductivity Dissolved Turbidity Odor <br /> Time DTW(it) (gallons) Tenp CC) PH (u or mhos) Oxyg-(malt.) (Y-JKO) <br /> (50 Purging Start Time <br /> Z1 c • d <br /> 712Z ►` <br /> ' Z Total Gallons Purged <br /> " <br /> 15 1 Purging End Time <br /> I <br /> ' Tune Sampled Depth to Water @ Sample Tune(DTWs) f y '37 <br /> Filtered Analytical Parameters <br /> Container Types,Volumes,&Quantities 6TWno) Sample Preservatives (cross-out atlNoTappluahie) <br /> 6 x 40 rat, VOAs N Ice and HCl TPEg TPHd BTEX MTBE OXYa <br /> ' Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> ' E <br /> Recovery <br /> %Recovery =1- (DTW-DTWm) x 100 Calculatton %Recovery =1 - x 100 ' <br /> ' Recovery Type Fast _ ow n <br /> ! , r � Sl %Recovery= <br /> ATC Representatives) MR&TM ' <br /> Subcontractor ' <br /> I r I E <br /> Si { Date 1f CJ 2 <br /> r ! E <br />