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Date:9/18/97 <br /> i <br /> k Set up time: 1500 <br /> Weather:Sunny <br /> - Samplers:DEM/CJH <br /> WELL # - <br /> MW 1A <br /> HISTORIC CONCENTRATIONS: <br /> Location: Construction Depth: 15 ft.bgs. <br /> Construction:2 inch pvc/ Measured Depth: 13.91' <br /> Groundwater Zone: Purge Method:Grundfos Pump(2") <br /> Screened Interval:4.5-14.5 ft.bgs. Pump Intake:-8' <br /> ri Sample Method:Disposable Bailer Depth to Water:4.02' <br /> Sample Preservation Method:Ice Height of Water Column:9.89' <br /> Volume of one casing: 1.61 gallons 4 <br /> i <br /> Purge Start Date:9/18/97 <br /> Purge Start Time: 1515 Purge-calculations <br /> Discharge Rate: -1 gpm 9.89 ft.x.163 gals. / ft.x 3= <br /> Purge End Time: 1520 4.8 gallons <br /> Time Gallons Temp.°C pH EC ps/cm Water clarity <br /> 15:17 2 28.60 8.48 692 Sl.Turbid <br /> 15:19 4 26.99 8.58 719 Clear <br /> 15:20 5 26.80 8.59 727 Clear <br /> F <br /> ANALYSES_REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> Fe+2 15:30 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 /> Heterotrophic Plate Count 125 ml Plastic Na Thiosulfate <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> F <br /> PID reading when well cap opened:84.5 ppm Disposal method of purge water:Drummed on site. <br /> F D.O.reading(mg/1):0.39,2.81, 1.87 Decontamination procedure:Alconox/DI Rinse <br /> Redox Measurement(mV):23,60,59 <br /> Other notes: <br /> T.— <br /> Sampler <br /> Signature(s):,� <br /> t; <br />