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felltfsf stocktoh Ca Date 3/7/96 <br /> III&W 60 Setup time 1145 <br /> QUARTERLY GROUNDWATER SAMPLING Weather Partly Cloudv <br /> F[EELD N'OTEEVERM WEST Samplers DSR/JSV <br /> WELL #MW-5A <br /> HISTORIC CONCENTRATIONS <br /> Location Construction Depth 18 ft bgs <br /> Construction 4 Inch Measured Depth 17 7 <br /> Groundwater Zone Pump Intake <br /> Screened Interval <br /> Purge Setting Discharge / Refill Depth to Water 3 10 <br /> Sample Setting Discharge Height of Water Column 14 6 <br /> Volume of one casing 9 53 <br /> Packer Pressure n/a <br /> Purge Start Time 10 45 Purge calculations <br /> Discharge Rate 3 gpm 14 6 ft x 653 gals / ft x 3= <br /> Purge End Time 10 55 28 60 gallons <br /> Time Gallons Temp pH EC Water clarity <br /> 1047 6 126 823 905 Clear <br /> 1049 12 126 823 880 " <br /> 1051 18 155 822 867 <br /> 1053 24 1 163 1 819 1 911 <br /> 1055 30 14 823 907 " <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINER TYPE FILTRATION? <br /> TPH-Gasoline by 8015 MOD 1115 (3)40 ml VOA w/HCL <br /> BTEX by 8020 (3)40 ml VOA w/HCL <br /> TPH-Diesel b y 8015 MOD (2) 1 Liter Amber Glass <br /> FIELD OBSERVATIONS(Well condition,repairs needed) <br /> PID reading when well cap opened n/a Disposal method of purge water <br /> Drummed on site <br /> Dissolved Oxygen reading n/a Decontamination procedure <br /> Alconoxwash Deionized Water Rinse/Disposable Bailer <br /> Turbidity Measurement n/a <br /> Other notes <br /> Sampler Signature(s) <br />