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oC(T MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW 71 <br /> Project Name RPMS EZ Serve Stockton#100966 Project No 54 25827 2616 <br /> Project Address/City I County 2531 Waterloo Road/Stockton/ San Joaquin <br /> PURGING&SAMPLING INSTRUMENTATION • ! <br /> Water Level Meter(wdevm) Solmistl JC) f Interface Probe Nodeulti) NA <br /> Water Quality Meter GA d.UID;YSI d 3 Decontamination Method 3-stage bucket (Wash, tap rinse, DI rinse l <br />' Purging Method PVC Bailer Vacuum Truck ^Submersible Pump Other <br /> Sampling Method Teflon Bailer Disposable Bailer Other <br /> BORE BOLE • • • <br /> Borehole Diameter(Circle) 8" i0" 12" Casing Diameter(Circle) 2" 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(saiomhoot) 081 15 195 Casing Multiplier(CM)wic o2 016 )065 147 587 132 2351 <br /> MONITORING ME ASUREMENTSCALCULATIONS <br /> Depth to Free Product(feet) AIA Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) 6<9-7q WC x BM = (BV)(gai) x 1 5 BV(gal) <br /> Total Well Depth(feet) 6 -7.4000 Casing Volumes(CV) <br /> Water Column(WC)(fcet) O( WC -;?0( x CM A -)-(CV)(gal) x 3 0 CV <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> Cum Vol Purged Electric Conductivity Dissolved Turbidity Odor <br /> Time DTW(tt} (gallam) Temp CC) pH (u orm mhos) Oxygen(mgrs..) (Nr[>) (Yes/No) <br /> Purging Start Time <br /> rb -05 60 7f //Y7 <br /> �Do o moo- -- 6- 7-7 I! 7c;? <br /> .q <br /> Total Gallons Purged V <br /> Purging End Time 1�a(� <br /> SAMPLING DATA <br />' Time Sampled 12©0 Depth to Water @ Sample Time(DTWs) r� <br /> Filtered Analytical Parameters <br /> Container Types,Volumes,&Quantities (vesrno) Sample Preservatives (cress-out alltm applicable) <br /> Glass VOA, 40 ml , X 4 no HCI STZX/TFHG/ OXY'S, Pb scavengers <br /> I <br /> WELL RECOVERY DATA <br /> Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> - <br /> %Recovery =1- {D TW-DTWs)TW-DTWm) Recovery x 104 Calculation %Recovery =1 ( ) x 100 <br /> ( ) <br /> Recovery Type <br />' Fast Slow oda Recovery= <br /> 1ra DI 41W61010 <br /> ATC Repmsentative(s) Alex Flores/Mike Luksic <br /> Subcontractor <br /> Signature ->lG! Date �� Z <br />