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f <br /> Fk <br /> Date:9/18/97 <br /> -r9 i <br /> Set up time: 1355 <br /> f Weather:Clear <br /> Samplers:DEM/CJH <br /> t ` WELL # MW-2A <br /> HISTORIC CONCENTRATIONS: <br /> FLocation: Construction Depth:10.5 ft.bgs. <br /> Construction:6 inch pvc/ <br /> Measured Depth:9.45' <br /> Groundwater Zone. Purge Method:Grund€os Pump(2") <br /> 1 <br /> f <br /> Screened Interval:3.5-10.5 ft,bgs. Pump Intake:-5' <br /> r Sample Method:Disposable Bailer Depth to Water:3.93' <br /> Sample Preservation Method.Ice Height of Water Column:5.52' , <br /> Volume of one casing:8.28 gallons <br /> Purge Start Date:9/18/97 <br /> FPurge Start Time: 1404 Purge calculations <br /> 5.52 ft.x 1.5 gals. x 3 <br /> Discharge Rate: -1 gpm / ft. = , <br /> Purge End Time: 1429 24'84 gallons <br /> Time Gallons Temp.°C pH ECµdem Water clarity <br /> { 14:09 5 25.39 10.69 594 Clear <br /> 14:14 10 25.60 10.81 617 Clear <br /> 14:19 15 25.69 10.90 619 Clear <br /> F7 14.24 20 25.74 10.93 629 Clear <br /> 14:29 25 25.81 10.96 639 Clear <br /> i F. I —L— <br /> I` <br /> AANALYS S RE [,SIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> I FFe+2 14:40 3 x 40 mi 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 /> r <br /> F1ELD OBSERVATIONS(Well condition,repairs needed) <br /> + i <br /> Freading <br /> when well cap opened:0.0 ppm Disposal method of purge water:Drummed on site. <br /> f <br /> (mg/1): i.02,0.44,0.28,0.23,0.21Decontamination procedure.Atconox/DI Rinse <br /> rement(mV): 127,123,119,117,114 <br /> Other notes: <br /> Sampler Signature(s):QC <br />