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(N.© 0 MONITORING WELL PURGING AND SAMPLING LOG <br />! Well No MW j <br /> • Project Name RPMS EZ Serve Stockton 4100966 Project No 54 25827 2616 <br />' Project Address/City 1 County 2531 Waterloo Road/Stockton/ San Joaquin <br /> PURGING & SAMPLING INSTRUMENTATION <br /> ` • 1 <br />' Water Level Meter(Modcvm) Solmist/ interface Probe(ModeVID) NA <br /> Water Quality Meter(Modell[D)YST Decontamination Method 3-stage bucket (wash, tap rinse, DI rinse) <br />' Purging Method PVC Bailer Vacuum Truck Submersible Pump Other <br /> Sampling Method Teflon Bailer isposable Bailer Other <br /> BOREHOLE& WELL CASING VOLUME • <br /> Borehole Diameter(Circle) 811 1001 1211 Casing Diameter(Circle) 2" J 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)(gallonsrmot) 081 15 195 Casing Multiplier(CM)(gauoas/ t) 0 16 065 147 587 132 235 <br /> MONITORING MEASUREPURGING CALCULATIONS <br />' Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) , ZQ WC x BM = (HV)(saq x 1 5 BV(sat} <br /> Total Well Depth(feet) r Casing Volumes(CV) <br /> Water Column(WC)(feet) l ( WC x CM 16,G(� _ (CV)(gal) x 3 0 CV{gal} r �� <br /> Free Product Thickness(feet) tFee Product Purged(gallons) <br /> PURGING DATA <br /> m Vol Purged Elec c Conductivity Dissolved 'turbidity Odor <br /> Cu <br /> Time DTW(ft) (gallons) Temp CC) pH (n r mhos) Oxygen(mg/L) (1V1tf) (YdNo) <br /> 1 (��p Purging Start Time Cw 9 <br /> 1 1 r 7, —� - / 6 � 1.60n,? g <br /> 0 G�913 0i2 <br /> -9at G,97- <br /> Z <br /> 5?f ,c s G � 9 ©r2' - <br />' Total Gallons Purged <br /> Purging End Time <br /> SAMPLING DATA <br /> Time Sampled -30 ® Depth to Water @ Sample Time(DTWs) <br /> Filtered Analytical Parameters <br /> Container Types,Voiumes,&Quantities (yesno) Sample Preservatives (cross-out allhM applicable) <br />' Glass VOA, 40 nil , X 4 no HC1 STEX/TPHG/ OXY1S, Pb scavengers <br /> ' s (D r izz <br /> WELL RECOVERY DATA <br /> Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> (DTW-DRecovery - <br /> TWs) ( 1 <br /> %Recovery =1- (DTW-DTWm) x 100 Calculation %Recovery =1 x 100 <br /> ( } <br /> Recovery Type �Fast _Slow %Recovery= <br /> PERSONNELFIELD <br /> ATC Representanve(s) Alex Flores/Mike Luksic i <br /> Subcontractor <br /> Signature -Cyt--� __ Date Q <br />