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i <br /> I <br /> Date:9/19/97 <br /> Set up time:0905 i <br /> {` Weather:Clear <br /> Samplers:DEM/CJH <br /> WELL # MW-3 <br /> HISTORIC CONCENTRATIONS: <br /> F <br /> Location: Construction Depth:25 ft.bgs. <br /> Construction:2 inch pvc/ Measured Depth: 19.22' <br /> Ft Groundwater Zone: Purge Method:Grundfos Pump(2") <br /> Screened Interval.4-24 ft.bgs. Pump Intake. --8' <br /> Sam le Method: Disposable Bailer ' <br /> P P Depth to Water:4.68' <br /> Sample Preservation Method:Ice Height of Water Column: 14.54' <br /> Volume of one casing:2.37 gallons <br /> Purge Start Date:9/19/97 <br /> Purge Start Time:0909 Purge calculations <br /> Discharge Rate: --1 gpm 14.74 ft. x.163 gals. /ft.x 3= <br /> F Purge End Time:0918 7.11 gallons <br /> i <br /> FTime Gallons Temp.°C pH EC gs/cm Water clarity <br /> 9:12 2 20.66 6.60 1989 Turbid <br /> 9:14 4 20.37 6.71 1699 Turbid <br /> 9:16 6 20.38 6.76 1512 Less Turbid <br /> 918 8 20.40 6.78 1446 Clear <br /> F <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATI N7 <br /> Fe+2 9:30 3 x 40 ml VOA <br /> F pH,Conductivity,Chloride& Poly <br /> I <br /> _ Nitrate 500 ml Poly In the Lab <br /> Dissolved Methane,Dissolved CO2 3 x 40 ml VOA <br /> BTEX,Trimethylbenzene,TPHg 6 x 40 ml VOA HCL <br /> TPHd 2 x 1 Liter Amber Glass <br /> FDissolved Mn 500 ml Poly In the Lab <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> F <br /> PID reading when well cap opened:0.0 ppm Disposal method of purge water:Drummed on site. <br /> F.. <br /> ' D.O.reeding(mg/1):0.40,0.25,0.20,0.18 Decontamination procedure:Alconox/DI Rinse <br /> Redox Measurement(mV):-114,-111,-115,-114 <br /> Other notes: <br /> l <br /> Sampler Signature(q("D <br /> f . <br />