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�aCIAT MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No MW Jl/I JAI—I <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 /> SAMPLINGPURGING & i • 1 <br /> Water Level Meter(M06e1rID) Solmist/ A7 C— Interface Probe NodeVID) NA <br /> Water Quality Meter(atodeum)YSI Q t Decontamination Method 3-stage bucket (Wash, tap ranse, rI rinse) <br /> Purging Method PVC Bailer _Vacuum Truck Submersible Pump Other 95r,rld a i <br /> Sampling Method Teflon Bailer Disposable Bailer Other <br /> BOREHOLE • INFORMATION <br /> I Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) 2" 4" 6" l2" 18" 24" <br /> Borehole Multiplier(BM)(gauonstroot) 081 is 195 Casing Multiplier(CM)(gallonslroot) 0 16 0 65 147 587 132 235 <br /> MONITORING MEASUREMENTS PURGING CALCULATIONS <br /> Depth to Free Product(feet) Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) 57 /4 WC x BM = (BV)(gai) x 1 5 BV(gal) <br /> Total Well Depth(feet) Q Q Casing Volumes(CV) <br /> �j <br /> Water Column(WC)(feet) WC (-F ( x CM 16 = u 77� (CV)(gai) x 3 0 CV(gal) J '3 3 <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> PURGING DATA <br /> m Elect <br /> Vol Purged Electric Conductivity Dissolved Turbidity Odor <br /> Time DTW(rt) (gallons) Temp("C} pH (n orm mhos) Oxygen(mg/L) (N1 U) (Yes/No) <br /> Cu <br /> Purging Start Time Its <br /> 19q0 5716 .3F 6-33 VA- eS <br /> Total Gallons Purged a- <br /> Purging End Time 3©Q <br /> SAMPLING DATA <br /> Time Sampled Depth to Water @ Sample Time(DTWs) <br /> Filtered Analytical Parameters <br /> Container Types,Volumes &Quantities (yestnn) Sample Preservatives (cross out all=applicable) <br /> Glass VOA, 40 ml , X 4 no HC1 BTEX/TPHG/ OXY'S, Pb scavengers <br /> RECOVERYWELL <br /> Maximum Drawdown(DTWm)(feet) Approximate Flow Rate(GPM) <br /> Recovery <br /> %Recovery = 1 - (DTW-DTWs} x(DTW-DTWm) 100 Calculation %Recovery =l L' ) x 100 <br /> ( ) <br /> Recovery Type B��ast Slow / <br /> Recovery= <br /> FIELD PERSONNEL <br /> ATC Representative(s) Alex Flores/Mike Luksic <br /> Subcontractor <br /> Signature _ Date f�d� <br />