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v <br /> �oCl�T MONITORING WELL PURGING AND SAMPLING LOG <br /> Wel]No MW L� <br /> Project Name RPMS EZ Serve Stockton 4100966 Project No 54 25627 2616 <br /> Project Address/City 1 County 2531 Waterloo Road/Stockton/ San Joaquin <br /> PURGING & SAMPLING INSTRUMENTATION • 1 <br />' Water Level Meter(MadeVID) Solimst/ ra ATC— Interface Probe(Made D]) NA <br /> Water Quality Meter(MademID YSI 73—t 3 Decontamination Method 3-stage bucket (wash, tap rinse, D1 rinse) <br /> Purging Method PVC Bailer Vacuum Truck _Submersible Pump Other <br /> Sampling Method Teflon Bailer isposable Bader Other <br /> BOREHOLE&WELL CASING • r <br /> Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) Wj4" <br /> 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(galkorwmot) 081 15 195 Casing Multiplier(CM)(galianslroot) 5 1 47 587 132 235 <br /> MONITORING MEASURE,MENTS PURGING CALCULATIONS <br /> Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) 5-7 WC x BM = (BV)(gal) x 1 5 BV($aq. <br /> Total Well Depth(feet) Casing Volumes(CV) U <br /> Water Column(WC)(feet) 5 7� F WC x CMC�/ 1;? �3 <br /> ( )(ga))x 3 0 CV{gal) <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> m Vol Purged Electric Conductivity <br /> Turbidity Odor <br /> Time DTW(ft) <br /> I (gallons) Temp{°c) PH (a or mhos) Oxygen(mg/L) (NTt7) (ymwo) <br /> rPurging Start Time ✓l'l'S <br /> 1a07 7sz F --2- l a /Cl Yes <br /> 1,;2-5 0 <br /> Total Gallons Purged 3 <br /> urging End Time 34 <br />' <br /> Time Sampled Depth to Water(a3 Sample Time(DTWs) �� S <br /> Filtered Analytical Parameters <br /> Container Types,Volumes,&Quantities (yeslno) Sample Preservatives (cross-mrt allNOT applicable) <br /> Glass VOA, 40 rill , X 4 no HC1 ETEX/TPHG/ OXY's, Pb scavengers <br /> WELL RECOVERY DATA <br />' Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> (DTW-DTWs) Recovery ) <br /> Recovery =1- x 100 Calculation %Recovery =1 x 100 <br /> (DTW-DTWm) ( ) <br /> Recovery Type <br /> Fair Slow o/a Recovery= <br /> FIELDPERSONNEL <br /> ATC Representatives) Alex Flores!Mike Luksic <br /> Subcontractor <br /> Signature 6�C Date Q jan <br />