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1- <br /> Date:9/19/97 <br /> Set up time: 1250 <br /> Weather:Clear <br /> Samplers:DEM/CJH <br /> WE]'L # MW-3A <br /> h HISTORIC CONCENTRATIONS: <br /> �e <br /> Location: Construction Depth:25 ft.bgs. <br /> Consb-Uction:2 inchvc <br /> P / Measured Depth.21.10' <br /> Groundwater Zone: Purge Method:Grundfos Pump(2") <br /> Screened Interval: 15-25 ft.bgs. Pump Intake: -T <br /> [Sample Method:Disposable Bailer Depth to Water:4.08' <br /> Sample Preservation Method:Ice Height of Water Column: 17.02' <br /> Purge Start Date:9/19/97 g <br /> Volume of one casing:2.77 gallons <br /> Purge Start Time: 1300 Purge calculation. <br /> Discharge Rate:-1 gpm 17.02 ft. x.'163 gals. /ft.x 3= <br /> F Purge End Time: 1310 8.32 gallons <br /> FTime Gallons Temp.°C pH EC Wcm Water clarity <br /> 13:04 3 22.15 7.37 1085 Turbid <br /> ^+ 13'07 6 21.84 7.19 1093 Sl.Turbid <br /> 13:10 9 21.78 7.12 1079 Clear <br /> _ <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> Fe+2 .13:20 3 x 40 ml VOA <br /> pH,Conductivity,Chloride& 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 ml VOA HCL <br /> TPHd 2 x 1 Liter Amber Glass <br /> Dissolved Mn 500 ml Poly In the Lab <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> — <br /> F <br /> PID reading when well cap opened;2.1 ppm Disposal method of purge water:Drummed on site. <br /> D.O.reading(mg/1):2.63,1.15,0.50 Decontamination procedure:Alconox/DI Rinse <br /> Redox Measurement(mV): 122, 131,133 <br /> Other notes: <br /> r7 f <br /> Samplex Signature(s) <br /> S <br />