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v <br /> OCIATES 1NC <br /> MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW'. <br /> Project Name RPMSI Former EZ S7,79100878 Project No 54 25827 2510 <br /> Project Address/City/County 1012W Yosemite Ave/Manteca/San Joaquin <br /> PURGING&SAMPLING INSTRUMENTATION&METHOD <br /> Water Level Meter(Modwno) Solmist/ ATC-1 Interface Probe(ModeUID) 37 <br /> Water Quality Meter(Modeum) YS] 35oo 9 S Decontamination Method 3-stage bucket (wash, tap rinse, DI rinse) <br /> ' Purging Method PVC Bailer Vacuum Truck Submersible Pump Other ref <br /> Sampling Method Teflon Bailer Disposable Bailer _Other <br /> BOREHOLE&WELL CASING VOLUME INFORMATION <br /> Borehole Diameter(Circle) 81r 14" 12rr Casing Diameter(Circle) 2r' 4" 6'r 12" 18" 24" <br /> Borehole Multiplier(BM)(gauorisirooi) 081 15 195 Casing Multiplier(CM)(gaHom/root) 0 16 0 65 1 47 587 132 235 <br /> MONITORING MEASUREMENTS PURGING CALCULATIONS <br /> Depth to Free Product(feet) 01, Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) i 29 WC x BM = (BV)(sai) x 1 5 BV(ga[) <br /> Total Well Depth(feet) Casing Volumes(CV) <br /> Water Column(WC)(feet) I S—Z WC�x CM 0- Ti JL(CV)(gai) x 3 0 CV(gel) 1 44,(66 <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> M ,PI3ROING DATA <br /> Cum Vol Purged Electnc Conductivity Dissolved Turbidity Odor <br /> Time DTW(ft) (gallons) Temp(°C} pH (v rm mhos) Oxygen(mglL) {NTU) (Yes/No) <br /> Purging Start Time <br /> 09/1 a2i i� S zO,G 706 , <br /> iDC <br /> 092-1 -z,4, 89 /5 20,62 1 71 111 C <br /> Total Gallons Purged <br /> Purging grid Time <br /> SAMPLING DATA i <br /> F <br /> ' Time Sampled a� Sr` Depth to Water @ Sample Time(DTWs) <br /> Filtered i Analytical Parameters <br /> Container Types,Volumes,&Quantities (yes/no) Sample Preservatives (cross-our all NOT applicable) <br /> 4 X 40,ml VOAs No HC1 TPHq/ HTEX/ OXY's <br /> r <br /> WELL RECOVERY i ATA <br /> Maximum Drawdown(DTWm xfeet) Approximate Flow Rate(GPM) <br /> ' Recovery 4 <br /> �I %Recovery =1,- L�Y DTWs)(DTW-DTWm) x l00 Calculation %Recovery =l ( ) x 100 <br /> ( ) <br /> Recovery Type Fast Slow a <br /> /a Recovery= o ' <br /> r <br /> I i t I i `¢r " '-i I ,FIELD,PERSONNEL,,' ,� i a fr <br /> 'ATC Representative(s)�Alex Flores/ <br /> Subcontractor <br /> Stgnatnre / Date 053Qd3 I! <br />