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SOGIATES I LOG <br /> MONITORING WELL PURGING AND SAMPLING <br /> . Well No MW-4 <br /> ' ProjectName E-Z Serve Location No 100878 Project No 43 25827 0025 <br /> Projed Address/City/County 1012 West Yosemite Avenue,Manteca,Calnfoma <br /> Water Level Meter(ModeUm) ATC-1 interface Probe(Modevm) N/A <br /> Water Quality Meter(m.&iw) HYDAQ Decontamination Method 3-stage bucket (wash, tap rinse, D1 rinse) <br /> Purging Method PVC Bailer _Vacuum Truck Submersible Pump Other <br /> Samphng Method Teflon Bailer X Disposable Bailer Other <br /> Borehole Diameter(Ctscle) H. 10" 12" Casmg Diameter(Circle) <br /> Borehole Multiplier(BM)(gations/mot) 081 15 195 Casmg Multiplier(CM)(ga arivrol 016 0 65 147 5.87 13.2 235 <br /> Depth to Free Product(feet} Borehole Volumes(BV) <br /> Depth to Water(DTW)(fed) o5 WC x BM = (BV)(gai) x 15 BV(vd) <br /> ' Total Well Depth(feet) Z ` q o Casing Volumes(CV) <br /> Water Column(WC)(feet) 15,35 WC f 5,1S x CM D (05 = �(�--(CV)6W x 3 0 CV W) -30 <br /> ' Free Product Thickness(Feet) Free Product Purged(gallons) <br /> Cum.Vol Purged Eleanc Condudtvity Dissolved Turbidity Odor <br /> Tune DTW(it) (gallons) Temp(°C) pH (v orm mhos) Oxygen(mg/L) (NM (YeslNo) <br /> `1,55.Purging Start Time <br /> {C., <br /> lO <br /> Total Gallons Purged <br /> Purging End Time <br /> 'rime Sampled 5 Z— Depth to Water @ Sample Tune(DTWs) <br /> Filtered Analytical Parameters <br /> ' Container Types,Volumes,&Quantities &CS/no) Sample Preservatives (QciuoutallNOTapplicable) <br /> 6 x 40 mL VOAs N Ice and HCl TPHg TPHd BTEX MTB;~. 0X7-3 <br /> ' Maximum Drawdown(DTWm}(fed) Approxunate Flow Rage(GPM) I <br /> Recovery <br /> %Recovery =1- (DTW-DTWs) x 100 Calculation %Recovery =1 x 100 <br /> (DTW-DTWm) <br /> I Reoovetg Type Fast i _Slow %Recovery= I i <br /> I ATC Representatives) MA&TM ' <br /> i <br /> Subcontractor <br /> i '-------------------- <br /> E <br /> i i'Stgnatixre _ - Date <br /> I f I i <br />