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MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW <br /> �J Project Name RPMS EZ Serve Stockton 4100966 Project No 54 25827 2616 v✓ <br /> 1 Project Address I City I County 2531 Waterloo Road/Stockton/ San Joaquin <br /> PURGING & SAMPLING INSTRU-MENTATION & METHOD <br /> Water Level Meter Nodel/m) Solinist/ (p Interface Probe(M deem) NA <br /> Water Quality Meter(Mode3/m; YSI Decontamination Method 3-stage bucket (wash, tap rinse, DI rinse} <br /> Purging Method PVC Bailer Vacuum Track _Submersible Pump Other d f5 if,/P�,— <br /> Sampling Method _Teflon Bailer L"'/Disposable Batter _Other <br /> BOREHOLE fLUME INFORMATION <br /> I Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) 2" 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM){gallanalroot) 081 15 195 Casing Multiplier(CM)(gellortslrootj (21 <br /> 0 65 147 587 13 2 235 <br /> MONITOIRING MEASUREMENTS PURGING CALCULATIONS <br /> Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) �7 Q3 WC x BM - (BV)(gal) x 1 5 BV(Bat). <br /> Total Well Depth(feet) _ 3 Casing Volumes(CV) <br /> Water Column(WC)(feet) I-(-3 a WC4f 7'x CM �1 lP = 70 (CV)(gaq x 3 0 CV(gall �` l <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> Cum Vol Purged Electnc Conductivity Dissolved Turbidity Odar <br /> Time DTW(n) (gallons) Temp CD) pH (,,orm mhos) Oxygen(ma/L) (N7U) ,Y,,Nr.) <br /> PurVng Start Time ''-5 <br /> 3©�'- -11o-3 C-ao1702- N NA- <br /> 0, f- 3 aI- � (-lam /5- 3,5' <br /> 32V 1 137-11 Y <br /> 0 3 96 <br /> 910 91- 3 d 515 �- <br /> Total Gallons Purged 3 �O <br /> Purgrng End Time 3 . 0 <br /> SAMPLING DATA <br /> 1 Time Sampled Depth to Water®Sample Time(DTM) , <br /> Filtered Analytical Parameters <br /> Container Types Volumes,&Quantities (Yesino) Sample Preservatives (cross-aut all OT applicable) <br />' Glass VOA, 40 ml , X 4 no HCl BTEX/TPHG/ OXY-S, Pb scavengers <br /> WELL RECOVERYDATA <br /> Maximum Drawdown(DTWrn)(feet) Approximate Flow Rate(GPM) <br /> (DTW-DRecovery <br /> (DT - <br /> %Recovery =1 - TWW TWs)-DTWm} x 100 Calculation %Recovery =3 ( } x 100 <br /> ( ) <br /> Recovery Type i Fast _Slow %Recovery= <br />' 1 • <br /> ATC Representatives) Alex Flares/Mike Liiksic <br /> Subcontractor -7 <br /> Signature Date Q T <br />