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Date 12/17/96 <br /> =� SOW'docro* q Rio Setup time 13 30 <br /> ��5 �� � Weather Clear <br /> Irk wast Samplers DEM/CJH <br /> WELL # MW-1A <br /> HISTORIC CONCENTRATIONS <br /> ' Location Construction Depth 15 ft bgs <br /> Construction 2 inch pvc/ Measured Depth 13 86' <br /> Groundwater Zone Pump Intake <br /> Screened Interval 4 5-14 5 ft bgs <br /> ' Purge Setting Discharge / Refill Depth to Water 3 67' <br /> Sample Setting Discharge Height of Water Column 1019' <br /> Volume of one casing 166 gallons <br /> Packer Pressure <br /> Purge Start Time 13 45 Purge calculations <br /> Discharge Rate 1 gpm 10 19 ft x 163 gals / ft x 3= <br /> Purge End Time 13 51 4 98 gallons <br />' Time Gallons Temp°F pH EC Water clarity <br /> 1347 2 582 774 1930 Clear <br /> 1349 4 601 728 1870 Clear <br /> 1351 6 626 717 1830 Clear <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br />' <br /> 1405 <br /> See MW-1 <br /> and <br /> Heterotrophic Plate Count 125 ml Poly 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 /> Dissolved Oxygen reading 0 71 mg/1 Decontamination procedure Alconox/DI Russe <br />' Redox Measurement -0 77 mV <br /> Other notes <br /> Sampler Signature(s) 011 <br />