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aL'p �C0��ft�- Date 12/17/96 <br /> Setup time 12 25 <br /> NOi ,Ar ms's as Weather Clear <br /> Samplers DEM/CJH <br /> WELL # MW-5 <br /> HISTORIC CONCENTRATIONS <br />' Location Construction Depth 16 ft bgs <br /> Construction 2 inch pvc/ Measured Depth 15 84' <br /> Groundwater Zone Pump Intake <br /> Screened Interval 11-16 ft bgs <br />' Purge Setting Discharge / Refill Depth to Water 4 68' <br /> Sample Setting Discharge Height of Water Column 1116' <br /> Volume of one casing 182 gallons <br />' Packer Pressure <br /> Purge Start Time 12 41 Purge calculations <br /> Discharge Rate 1 gpm 1116 ft x 163 gals / ft x 3= <br />' Purge End Time 12 47 5 46 gallons <br /> Time Gallons Temp OF pH EC Water clanty <br /> 1243 2 608 709 1310 Clear <br /> 1245 4 624 717 1240 Clear <br /> 1247 6 618 717 1180 Clear <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> 1300 <br /> See MW-1 <br /> and <br />' Heterotropluc Plate Count 125 ml Poly Na Thiosulfate <br />' HELD 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 2 76 mg/l Decontarrunahon procedure Alconox/DI Rmse <br /> Redox Measurement -74 7 mV <br /> Other notes <br /> Sampler Signature(s) �� h, <br />