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• PID/CVA (Gastech) <br /> • Air sample pump <br /> • Water level undicator <br /> • Well caps with monitoring ports <br /> ' Materials List <br /> ' • Sample bottles <br /> • Summa canisters <br /> • Bailers <br /> ' 0 Gloves <br /> • Vacuum, PSI, and temperature gauges <br /> • Pitot tube with fittings, anemometer <br /> ' Misc piping and connectors, flexible piping <br /> VAPOR EXTRACTION TEST <br /> ' On October 25 2004 Alex and John will mobilize to the site in the morning <br /> Take barricades and traffic cones <br /> October 25, 2004 <br /> Pre-test Procedures <br /> ' Measure depth-to-water in extraction well (VWE3) and all observation wells (VWE1, <br /> VWE2, MW1-4) <br /> • At extraction wellhead VWEl, install PVC riser and all piping to connect to VES trailer <br /> • Install pitot tube, gauges, temperature gauge, etc for monitoring influent stream <br /> • Install momtormg caps on all observation wells, hookup magnehelic gauges set to zero <br /> • Record vacuum or pressure readings at all monitoring points prior to testing <br /> • Collect GW sample prior to start VET <br /> ' Vapor Extraction Test Procedures <br /> • Vapor extract from MW2, VEW2 & 3 <br /> 1 Start up blower, nutiate vapor extraction at low flow and step up flow rate/vacuum <br /> throughout the test at 30 to 60 minute intervals if possible <br /> • Monitor flow, temperature, influent and effluent concentrations with PID/CVA, vacuum, <br /> ' and pressure for extraction and observation wells at 15 minute intervals <br /> • Monitor response in observation wells at 15-minute intervals <br /> ' • Check knockout drum regularly, empty as needed Reduce/flow vacuum of pulling to <br /> much water <br /> AlexF Dieselvet <br />