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y <br /> 54GIAT MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW 15 <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 SAMPLING METHOD <br /> Water Level Meter(ModevID) Solimst/ ATC.-- Interface Probe(Moder) NA <br /> Water Quailty Meter(Moder}YSI 55-0,49 S Decontamination Method 3-stage bucket (wash, tap rinse, bd rinse) <br /> Purging Method PVC Bailer _Vacuum Truck _Submersible Pump Other <br /> Sampling Method Teflon Bailer _ZDisposable Bailer Other <br /> BOREHOLE& WELL CASING VOLUME INFORMATION <br />' Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) 2" 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(gallons/rocg 081 1 5 195 Casing Multiplier(CM)(g.ii.nsimoi60 16 0 65 147 587 132 235 <br /> MONITORING <br />' Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) J'r�"i[ - WC x BM — (BV)(gal) x 1 5 BVI <br /> (ga) <br /> Total Well Depth(feet) �Li �� Casing Volumes(CV) <br /> Water Column(WG)(feet) 7 ' zg WG x CM {� IR= �f (CV)(gal) x 3 0 CV(gal)3i 5 <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING Dissolved <br /> Cum Vol Purged Electric Conductivity Turbidity Odor <br /> Time DTW(ft) (gailons) Temp CC) pH o ori mhos) Oxygen(mg/L) (NTt) (YeslNo) <br /> MPurging Start Time <br /> Co <br /> 07,5 315-011 a J i (01 ,36 <br /> 0 5-�- gal y• 7- It 5 o ®F 33 <br />' t Total Gallons Purged <br /> Purging End Time <br /> SAMPLING DATA <br /> Time Sampled 421 Depth to Water @ Sample Time(DTWs) <br /> Filtered Analytical Parameters <br /> Container Types Volumes &Quantities (Y-/no) Sample Preservatives (cross-out all NOT applicable) <br /> Glass VOA, 40 ral , X //4 no HCI HTEX/TPHG/ OXY'S, Pb scavengers <br /> WELL RECOVERY DATA <br />' Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> Recovery _ <br /> Recovery =1_ (DTW-DTWs) x 100 Ca]cuiaGon %Recovery =1 � ) x 100 <br /> (DTW-DTWm) ( ) <br /> Recovery Type !�/asi _Slow %Recovery= <br />' 1 PERSONNEL <br /> ATC Representabve(s) Alex Flores!Mlke Luksic <br /> Subcontractor <br /> Signature Date <br /> 1 <br />