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SL7GIATES ,NL MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW Irl <br /> iProject Name RPMS EZ Serve Stockton#100966 Project No 54 25627 2516 <br /> Project Address/City/County 2531 Waterloo Road/Stockton/ San Joaquin <br /> METHODPURGING& SAMPLING INSTRUMENTATION & <br /> Water Level Meter Nina m) Solmist/ Interface Probe(Modem) NA <br /> Water Quality Meter(Madeilm)YS1 3 50 0 Decontammahon Method 3-stage bucket (wash, tap rinse, DI rinse) <br />' Purging Method PVC Bailer _Vacuum Truck Submersible Pump Other <br /> Sampling Method Teflon Bader ZDtsposable Bailer Other <br /> BOREHOLE& WELL CASING VOLUMEINFORMATtON <br /> Borehole Diameter(Circle) 8" 10" 12" Casmg Diameter(Circle) 2" N 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(gnllanslmot) 081 15 195 Casing Multeplier(CM}(gellonslroat 0 16 0 65 147 587 132 23 5 <br /> MONITORING MEASUREXE <br /> Depth to Free Product(feet) JorBorehole Volumes(BV) <br /> Depth to Water(DTW)(feet) r rj WC x BM (BV)(s d) x 15 BV(Bal) <br />' Total Well Depth(feet) Ll, Casing Volumes(CV) <br /> Water Column(WC}(feet) to WC x CM 0./� = r G {CV)(ga)) x 3 0 CV(gal} <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> Cum Vol Purged ElecZc Conductivity Dissolved Turbidity Odor <br /> Time DTW(it) wlons) Temp(°C) pHA 011 <br /> arm mhos) Oxygen(mglL) WM (YeSIND) <br /> /0 Purging Start Time p <br /> 1• 2 , C �6 <br /> 0,3Sr <br /> 0917 2-1 lz 0. 3S'- <br /> 17zo +s 1, 2. z1 ,2 .� r3 <br /> c C) tT�otal Gallons Purged <br /> Purging End Time <br /> SAMPLING <br /> Time Sampled Q_577 Depth to Water @ Sample Time(DTWs) 6® 5 <br /> Filtered Analytical Parameters <br /> Container Types,Volumes,&Quantities (YEW-) Sample Preservatives (crass-autautwapplicable) <br /> ' Glass VOA, 40 ml , X 4 no HC1 BTEX/TPHG/ OXY'S, Pb scavengers <br /> WELL RECOVERY DATA <br /> ' Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> ' Recovery -_..__ <br /> °/a Recovery =1- (DTW-D,Wm? x 100 Calculation %Recovery =l x 100 <br /> Recovery Type <br /> Fast _Slow %Recovery= <br /> FIELD ' • <br /> ATC Representative(s) Alex Flores/Mike Luksic <br /> Subcontractor ,� y <br /> Stgnature "' Date 1/00799-3 <br /> i <br />