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S <br /> OCT RING WELL PURGING AND SAMPLING LOG <br />' MON�TO <br /> • Well No MW-1 <br /> ProjectName E-Z Serve Location No 100966 ProjectNo 43 25827 0026 <br /> Projed Address/City/County 2537 Waterloo Road,Stockton,California <br /> Water Level Meter(Moddtm) ATC-1 Interface Probe(Moddw) N/A <br /> Water Quality Meter NodenD) HYDAQ Decontamination Method 3-stage bucket {wash, tap rinse, DI rinse) <br />' Purging Method _PVC Bailer Vacuum Trude �Submersible Pump Other <br /> Sampling Method Teflon Bailer Disposable Bailer cher <br />' Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) 2" 4" 6" 12" 18" 24" <br /> Borehole Muhrpher(BM)(gauondroot) 081 is 195 Casing Multiplier(CM)lganons/=cot) 016 0 6 1 47 S 87 13 2 23 S <br /> tDepth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) 5 S WC x BM = (BV)(I,* x 15 BV(gat) <br />' C Casing Volumes(CV) <br /> Total Well Depth(feet) t r��,, q <br /> Water Coluutn(WC)(feet) Z WC x CM C,6.5= G S (Cvyw) x 3 0 CV(ga) <br />' Free Product Thickness(feet) Free Product Purged(gallons) <br /> Cum Vol Purged Electne Conductivity Dissolved Turbidity I Odor <br /> Time DTW(ft) (gallons} Tarp(°C) pH (u MM mhos) Oxygen(mg/L) MIJ) (Yes/No) <br /> ` V Purging Start Time <br /> '?te_ <br />� 5 TotalGaIlonsPurged <br /> 66i <br /> Purging End Time <br /> 1 Time Sampled 3:5 Depth to Water @ Sample Time(DTWs) s/ <br /> Filtered Analytical Parameters <br />' Container Types,Volumes,&Quantities (yesino) Sample Preservatives (doss out aR Na apphmble) <br /> 6 x 40 mL VOAs N Ice and HCl TPH9 TPHd STEX MTBE OXYs <br /> Maximum Drawdown(DTWm xfeet) Approximate Flow Rate(GPM) <br /> Recovery <br /> %Recovery =1- (DTW-DTWs) X100 Calculation %Recovery =1 ( - ) x 100 <br /> (DTW-DTWm) <br /> Recovery Type ,cast _Slow %Recovery= <br /> ATC Represmtative(s MR&TM <br /> Subcontractor 71 <br /> Signature Date /!� ! — B Z <br />