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Date 1217 96 <br /> ��5' �' _ �� _ gaga a _e Setup time 14 40 <br /> s Ei ON, e <br /> � $N <br /> b <br /> Y� " ' S,e � na,�a A Weather Clear <br /> MW WTST �°Z�60 Samplers DEM/CJH <br /> WELL # MW-5A <br /> HISTORIC CONCENTRATIONS <br /> ' Location Construction Depth 18 ft bgs <br /> Construction 4 inch pvc/ Measured Depth 17 38' <br /> Groundwater Zone Pump Intake <br /> Screened Interval 8-18 ft bgs <br /> ' Purge Setting Discharge / Refill Depth to Water 3 71' <br /> Sample Setting Discharge Height of Water Column 13 67' <br /> Volume of one casing 8 93 gallons <br /> ' Packer Pressure <br /> Purge Start Time 14 45 Purge calculations <br /> Discharge Rate 1 gpm 13 67 ft x 653 gals / ft x 3= <br /> ' Purge End Time 15 21 26 78 gallons <br /> ' Time Gallons Temp°F pH EC Water clarity <br /> 1500 7 609 705 2610 Clear <br /> 1507 14 612 709 2400 Clear <br /> 1514 21 616 709 2390 Clear <br /> 1521 28 1 591 1 705 1 2370 Clear <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> 1550 <br /> See MW-1 <br /> ' FIELD OBSERVATIONS(Well condition,repairs needed) <br /> PID reading when well cap opened 0 4 ppm Disposal method of purge water Drummed on site <br /> Dissolved Oxygen reading 0 46 mg/l Decontarrunahon procedure Alconox/DI Rinse <br /> ' Redox Measurement 54 7 mV <br /> Other notes <br /> Sampler Signatures) /GL <br />