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Date:9/19/97 <br /> Set up time:0745 <br /> Weather:Clear <br /> Samplers: DEM/CJH <br /> WELL # MW-2 <br /> HISTORIC CONCENTRATIONS: <br /> Location: Construction Depth:25.5 ft.bgs. <br /> Construction:2 inch pvc/ Measured Depth:23.08' <br /> F Groundwater Zone: Purge Method:Grundfos Pump(2") <br /> Screened Interval:5-25 ft.bgs. Pump Intake: -10' <br /> Sample Method: Disposable Bailer Depth to Water:4.42' <br /> Sample Preservation Method:Ice Height of Water Column: 18.66' <br /> Purge Start Date:9/19/97 Volume of one casing:3.04 gallons <br /> Purge Start Time:0816 Purge calculations <br /> Discharge Rate: -1 gpm 18.66 ft. x.163 gals. / ft.x 3= <br /> Purge End Time:0827 <br /> 9.12 gallons <br /> TimeGallons Temp.°C pH EC ps/cm Water clarity <br /> 8.19 3 23.45 6.71 659 Clear <br /> 8:22 6 23.34 6.72 670 Clear <br /> 8:27 10 23.22 6.73 674 Clear <br /> Ft <br /> ANALY ES RE UIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> Fe+2 8:40 3 x 40 ml VOA <br /> pH,Conductivity,Chloride& <br /> Poly <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 mI VOA HCL <br /> i <br /> TPHd 2 x 1 Liter Amber Glass <br /> rDissolved 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 /> FD.O.reading(mg/1):0.34,0.23,0.17 Decontamination procedure:Alconox/DI Rinse <br /> Redox Measurement(mV):60,59,19 <br /> i I <br /> Other notes: j <br /> Sampler Signature(s): <br /> I <br />