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OCIATES 1NC <br /> MONITORING WELL PURGING AND SAMPLING LOG <br /> Well No <br /> ' Project Name RPMS RZ Serve 4100878 Project No 54 25827 2510 <br /> Project Address/City/County 1012 W Yosemite Ave/Manteca/San Joaquin <br /> PURGING&SAMPLING INSTRUMENTATION&METHOD ' ) � <br /> Water Level Meterwodeum) �Q T(- _Z Interface Probe(rrtodelm) NA <br /> Water Quality Meter(Model/Mz5 �-��] DecontaminationMethod 3-9tage bucket (wash, tap rinse, D= rinse) <br /> Purging Method PVC Bailer _Vacuum Truck _Submersible Pump Other <br /> Sampling Method Teflon Bader t-�Disposable Bailer _Other <br /> BOREHOLE-&WELL CASING,'VOLUME INFORMATION' i <br /> Borehole Diameter(Circle) 8" 10" 12" Casing Diameter(Circle) 2"1 4" 6" 12" I8" 24" <br /> Borehole Multiplier(BM)(gallons/root) 081 1-5 195 Casing Multiplier(CM)(galloasrrootX 0 16 0 65 147 587 132 23 5 <br /> ' MONITORING MEASUIREMENM , „i ', `PURGING CALCULATIONS <br /> Depth to Free Product(feet) SCJ Borehole Volumes(BV) <br /> Depth to Water(DTW)(feet) WC x BM = (BV)(gat) x 1 5 BV(ppl) <br /> Total Well Depth(feet) Casing Volumes(CV) <br /> Water Column(WC)(feet) a, WC A r t 2 x CM QA = l ti�3 (CV)(sal) x 3 0 CV(gat) Lit 3� <br /> Free Product Thickness(feet) Free Product Purged(gallons) <br /> Cum Vol Purged Electric Co vity Dissolved Turbidity Odor <br /> Time DTW(ft) (gallons) Temp(c) pH7 (n or mhos) 2Oxygen(mg/L (NM (YeslNo) <br /> O 3 Purging Start Time <br /> 1014'5ao 3 g tCV <br /> ogL4 a !, 9 15 3 p 2M <br /> 0%qX a 3, (0 q s (3L2, 4 `x ' 58 1 S d. <br /> Total Gallons Purged <br /> Purging End Time q <br /> 'r If �i 7�A1tiL;�7�L17 A <br /> �O11GJ!1'►l <br /> Time Sampled Depth to Water @ Sample Time(DTWs) oZ® <br /> Filtered Analytical Parameters <br /> Container Types Volumes,&Quantities (yeWno) Sample Preservatives (crossbut allNm applicable) <br /> 4 X 40m1 VOA's No HC1 BTEX/ TPHg/ OXY's <br /> " r+WELL�RECOYERY(DATA 1' <br /> Maximum Drawdown(DTWm}(feet) Approximate Flow Rate((iPM) <br /> Recovery <br /> %Recovery =1 - (D�TW_p Wm) x 100 Calculation %Recovery =I { x 100 <br /> Recovery Type I <br /> Fast _Slaw %Recovery= <br /> [f vl� 131 l DXERSONNELa„'�I <br /> 1 ATC Representative(s) Alex Flores <br /> I Subcontractor ' <br /> I v <br /> Signature tI I;I 1 I hI ' Date 08/25/03 I II I <br /> I , I <br /> r !E! <br /> I I I i I II I <br /> II lu .II <br />