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O SAT S9 WELL PURGING AND SAMPLING LOG <br />' MONITORING WE <br /> . Well No MW-8 <br /> Probed Name E-Z Serve Locatnon No 100966 Proled No 43 25827 0026 <br /> Project Address/City/County 2537 Waterloo Road,Stockton,California <br />' Water Level Meter(M°dd4D) ATC-1 Interface Probe(Moddm) N/A <br /> Water Quality Md-(ModdtlD) HYDAQ 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 Disposable Bailer Other <br />' Borehole I]tatneter(C—le) 8" 10" 12" Casing Diameter(Circle) 2 4" 6" 12" 18" 24" <br /> Borehole Multiplier(BM)Wons/root) 081 15 195 Casing Muhipher(CM)(gsllons/root) O 1 0 65 147 587 132 23 5 <br /> Depth to Free Product(feet) ) Borehole Volumes(BV) <br /> Depth to Water(DTW)(fect) s�! Z WC x BM = (B'V)(sst) x 15 BV(gal) <br />' Total Well Depth(feet) �► G' Casing Volumes(CV) - <br /> Water Colin(WCxfed) S c f WC 75.Y x CM L�`/� r (CV)(,D x 3 0 CV(gal) <br />' Free Product Th <br /> rclmess(feet) Free Product Purged(gallons) <br /> Cum Vol Purged Electric Cmducti-ty Dissolved Turbidity Odor <br />' Time DTW(ft) (guns) Temp CC) pH (u or.mhos) Oxygen(-A) (tr" (Yes/No) <br /> Purging Start Time y/ <br /> �v S 14. 6150 0 Y("> <br /> _] Total Gallons Purged <br /> �l Purging End Time <br /> Tttnc Sampled ��"YU Depth to Water @ Sample Time(DTWs) Com' , C e <br /> Fittared Analytical Parameters <br /> I Container Types,Volumes,&Quantities [yes/no} Sample Preservatives (=ss-ut zR NOT apphcable) <br /> 6 x 40 mL VOAs N Ice and HC1 TPHg TPHd BTEX MTS£ OXYs <br /> Maximum Drawdown(DTW-xfeet) Approximate Flow Rate(GPM) <br /> Recovery <br /> %Recovery =1- (DTW-DTWs)(DTW-DTW-) X100 Calculation %Recovery =1 - —� x 100 <br /> Recovery Type Past Slow <br /> %Recovery= <br /> ATC Representattve(s) MR&TM <br /> Subcontractor <br />' Signature Dake <br /> / l <br />