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' Work Plan Page 14 <br /> Former Manna Pro Site <br />' Project No 207 3 <br /> August 16, 1999 <br />' Day 1 Start Vapor Extraction System <br /> Day 2 Start Air Sparge System <br />' Day 1-4 Monitor System <br /> Day 5 Shut Down System/Monitor System Shut Down <br />' 5.2.1 Soil Vapor Extraction System Start Up <br /> The vapor extraction system will be started on the first day of the pilot test An air <br />' sample will be collected from both the influent and effluent sides of the treatment system <br /> to satisfy the Air Pollution Control District permit condition The ICE will be operated <br /> continually throughout the test and will only be shut down for maintenance <br /> 5.2.2 Air Sparge System Start Up <br />' The air sparge pump will be started on the second day of system operation The flow and <br /> pressure in the well will be adjusted by opening the blow-off air valve The pump will <br /> operate continually during the course of the pilot test and will only be shut down for <br />' maintenance <br /> 5.3 Pilot System Monitoring <br /> The pilot system will be monitored during the course of the investigation This will <br /> P Y g g <br /> include making depth to groundwater measurements, air flow measurements, vapor <br /> readings with a portable ionization detector (PID), and field measurements of oxygen in <br /> the groundwater <br /> 5.3.1 Process/Effluent Air Monitoring <br /> Air samples will be collected at the start up of the system and at various times during the <br /> operation of the system PID readings will be made periodically during system operation <br /> at the sample port downstream from the vapor extraction well head An air sample will <br /> also be collected one day after start up of the air sparge system and dust prior to system <br /> shut down The air sample collection procedure is described in Section 6 3 Air sample <br /> analysis is described in Section 6 6 <br /> 5.3.2 Vacuum/Flow/Pressure Monitoring <br /> Vacuum flow and pressure monitoring measurements will be made on a periodic basis <br /> during the operation of the pilot system Air flow measurements will be made during any <br /> flow adjustment to the air sparge or vapor extraction system A Solomat multi-function <br /> meter, anemometer or similar instrument will be used to measure flow Magnahelic <br /> 2937 Veneman Ave,413240 Geo-Phase Environmental Inc Phone(209)569-0293 <br /> Modesto, CA 95356 Fax(209)569-0295 <br />