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C%acov; MONITORING WELL PURGING AND SAMPLING LOG <br />' Wel]No MW <br /> Project Name RPMS EZ Serve Stockton 4100966 Project No 54 25827 2616 <br /> Project Address/City/County 2531 Waterloo Road/Stockton/ San Joaquin <br /> PURGING • ` ri <br />' Water Level Meter(modl,um) Solmist/ ATC Z, Interface Probe(Modcvm) NA <br /> Water Quality Meter(ttodd/IDXYSI '"�`�® Decontamination Method 3-9tage bucket (wash, tap rinse, DI rznae) <br />' Purging Method U/0 PVC Bailer `Vacuum Truck Submersible Pump Other <br /> Sampling Method Teflon Bailer Disposable Bailer Other <br /> BOREHOLE • INFORMATION <br /> Borehole Diameter(Circle) S" lo" 12" Casing Diameter(Circle) 2" 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(gati°nvmaq 081 15 195 Casing Multiplier(CM}(gailanshnorX 0 lb 0 65 147 .987 13 2 2351 <br /> NIONITORING MEASURE?VIE NTS PURGING CALCULATIONS <br /> Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) O , WC —xBM = (BV)(gal) x 15 BV(galX <br /> Total Well Depth(feet) L l S' Casing Volumes(CV) <br /> Water Column(WC)(feet) t t7 <br /> WC +() x CM n t _ '6S <br /> (CV)(gni) x 3 0 CV <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> Cum Vol Purged Dissolved <br /> g El c Conductivity Turbidity Odor <br /> Time D'l W(g) (gallons) Temp(°C) pH o rm mhos) Oxygen(mg/L) (NTU) (Yes/No) <br /> Purgrng Stem Trine <br /> CD -G 1, .qo o r 4 9-- <br /> 2 zl -,Z 5 <br /> 02 (SI -19t 3suv ail * ' 7ca �3 "Z <br /> Total Gallons Purged <br /> Purging End Tone <br /> SAMPLING DATA. <br /> Time Sampled !© = Depth to Water®Sample Time(DTWs) 60,70 <br /> Filtered Analytical Parameters <br /> Container Types,Volumes,&Quantities 0-1-) Sample Preservatives (crass-om all h=applicable) <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 /> (DATWs) Recovery - <br /> %Recovery =1- TW-(DTW-DTWm) -0 Calculation %Recovery =l ( - ) x 100 <br /> ( ) <br /> Recovery Type <br /> Fast _Slow %Recovery= <br /> FIELD PERSONNEL <br /> ATC Representative(s) Alex Flores/Mike Luksic <br /> Subcontractor <br /> �T <br /> signature � Date /Oz i"03 <br />