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REMEDIATION SYSTEM'S OPERATION OVERVIEW <br /> Pump and Treat Syste <br /> The P&T system was turned off by ASE personnel on February 28, 2002 That <br /> system no longer operates <br /> The ASIVE system operated every day of the month <br /> On June 10, 2002, ASE closed VE-1 and AS-1 to increase the vacuum and <br /> injection rate to the remaining wells VE-1 and AS-1 are positioned in an area <br /> of low hydrocarbon concentrations <br /> On October 3, 2002, ASE also closed VE-7 and AS-7 to increase the vacuum and <br /> injection rate to the remaining wells VE-7 and AS-7 are positioned in an area <br /> of low hydrocarbon concentrations <br /> Flow _Rate <br /> • While operating, the system infected an average of 45 cubic feet per minute <br /> (cfm) of air into the 5 AS well manifold, and extracted an average of 65 cfm o f <br /> petroleum-hydrocarbon laden air from the 5 VE well manifold The IC engine <br /> operated typically at 1800 RPM <br /> Maintenance <br /> The IC engine was turned off each 220 to 250 hours of operation to perform <br /> routine maintenance activities Scheduled maintenance included lube, oil and <br /> filter for the engine and blowers, and draining of the moisture knock-out <br /> drum <br /> INFLUENT AIR SAMPLE COLLECTION AND <br /> ANALYSES <br /> Influent Air Samal <br /> On December 30, 2002, ASE collected an influent air sample (INF-VE-12 30 02) <br /> from the manifold of the 5 VE wells The sample was analyzed by Kiff <br /> Analytical of Davis, California (FLAP #2236) for total petroleum hydrocarbons <br /> Frank's One Stop Remediation System Monthly Report — December 2002 <br /> - 2- <br />