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c4teffas,Stockton Ca Date 3/7/96 <br /> 230-060 Set vp time 10 15 <br /> QUARTERLY-GROLWDWAT R $AHiI"LhV-G Weather Partly Cloudy <br /> FIELD NOTESIERM WEST" DSR/]SV <br /> WELL #MW-3A <br /> HISTORIC CONCENTRATIONS <br /> Location Construction Depth 25 ft bgs <br /> Construction 2Inch Measured Depth 215 <br /> Groundwater Zone Pump Intake <br /> Screened Interval <br /> Purge Setting Discharge / Refill Depth to Water 3 30 <br /> Sample Setting Discharge Height of Water Column 18 2 <br /> Volume of one casing 2 96 <br /> Packer Pressure n/a <br /> Purge Start Time 10 27 Purge calculations <br /> Discharge Rate n/a 18 2 ft x 163 gals / ft x 3 = <br /> Purge End Time 10 50 8 89 gallons <br /> Time Gallons Temp pH EC Water clarity <br /> 1033 2 59 805 577 Clear <br /> 1038 4 139 813 570 <br /> 1042 6 116 818 572 <br /> 1046 8 115 1 815 576 <br /> 1050 9 125 824 587 " <br /> ANALYSES REQUIRED SAMPLE TIME CONTAINEE TYPE FILTRATION? <br /> TPH-Gasoline by 8015 MOD 1100 (3)40 m] VOA w/HCL <br /> BTEX by 8020 (3)40 ml VOA w/HCL <br /> TPH-Djesel by 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 Decontarrunation procedure <br /> Disposable Bailer <br /> Turbidity Measurement n/a <br /> Other notes <br /> Sampler Signature(s) <br />