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- Date 12/17/96 <br /> d4 smck,MeN x - Setup time 10 05 <br /> g - �� � � 11211 Weather Foggy <br /> 1'r� ��� �� Samplers DEM/CJH <br />' WELL # MW-2A <br /> HISTORIC CONCENTRATIONS <br />' Location Construction Depth 10 5 ft b s <br /> g <br /> Construction 6 inch pvc/ Measured Depth 9 44' <br /> Groundwater Zone Pump Intake <br /> Screened Interval 3 5-10 5 ft bgs <br /> Purge Setting Discharge /Refill Depth to Water 3 95' <br /> Sample Setting Discharge Height of Water Column 5 49' <br /> Volume of one casing 8 24 gallons <br />' Packer Pressure <br /> Purge Start Time 10 37 Purge calculations <br /> Discharge Rate 1 gpm 5 49 ft x 15 gals / ft x 3= <br />' Purge End Time 1102 24 71 gallons <br />' <br /> Time Gallons Temp °F pH EC Water clarity <br /> 1042 5 526 914 910 Clear <br /> 1047 10 541 936 900 Clear <br /> 1052 15 542 949 920 Clear <br /> 1057 20 1 540 963 1 910 1 Clear <br /> 1102 25 539 984 940 Clear <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br />' <br /> 1120 <br /> See MW-1 <br /> and <br /> Heterotrophic Plate Count 125 ml Poly Na Thiosulfate <br /> I <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> I <br /> PID reading when well cap opened 0 0 ppm Disposal method of purge water Drummed on site <br /> Dissolved Oxygen reading 2 7 mg/1 Decontamination procedure Alconox/DI Rinse <br /> 1 Redox Measurement 40 5 mV <br /> Other notes <br /> I <br /> I <br /> Sampler Signature(s) l�/U� <br />