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Date:9/18/97 <br /> Set up time: 1215 <br /> Weather:Partly Cloudy <br /> i <br /> x , <br /> 5 <br /> Samplers: DEM/CJH <br /> WELL # MW-5 <br /> HISTORIC CONCENTRATIONS: <br /> Location: Construction Depth: 16 ft.bgs. <br /> Construction:2 inch pvc/ Measured Depth: 15.93' <br /> Groundwater Zone: Purge Method:Grundfos Pump(2") <br /> Screened Interval: 11-16 ft.bgs. pump Intake:-8' <br /> Sample Method:Disposable Bailer Depth to Water:5.21' <br /> i <br /> Sample Preservation Method:Ice 3 Height of Water Column: 10.72' <br /> Volume of one casing: 1.75 gallons <br /> Purge Start Date:9/18/97 <br /> Purge Start Time: 1227 Purge calculations <br /> Discharge Rate: -1 gpm 10.72 ft.x.163 gals. /ft.x 3= <br /> Purge land Time: 1233 5.24 gallons <br /> Time Gallons Temp.°C pH LC ps/cm Water clarity <br /> 12::29 2 26.52 7.97 784 Sl.Turbid <br /> 12.:31 4 26.30 7.68 782 Turbid,almost clear <br /> 12:33 6 26.13 7.50 777 Clear 1 <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> Fe+2 12:40 3 x 40 nil 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,T'rimethylbenzene,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 /> Heterotrophic Plate Count 125 ml Plastic Na Thiosulfate <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> PID reading when well cap opened:0.0 ppm Disposal method of purge water: Drummed on site. <br /> D.O.reading(mg/1): 6.20,3.96, 1.90 Decontaminationrocedure:Alconox/DI Rinse <br /> p � <br /> Redox Measurement(mV): 118,101,86 <br /> � Other notes: k <br /> 1 <br /> Sampler Signature(s) :"0 <br />