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4D REMEDIATION SYSTEM'S OPERATION <br /> OVERVIEW <br /> EuwI2 and Treat_ System <br /> The P&T system was turned off by ASE personnel on February 28, 2002 <br /> That system no longer operates <br /> Air-Snarging/Vanor-Extraction System <br /> The ASNE system operated continuously during the month of May 2002 <br /> except for brief periods of downtime for periodic, scheduled <br /> maintenance <br /> Flow Rate <br /> While operating, the system infected an average of 46 cubic feet per <br /> minute (cfm) of air into the 7 AS well manifold, and extracted an average <br /> of 68 cfm of petroleum-hydrocarbon laden air from the 7 VE well <br /> manifold The IC engine operated typically at 1800 RPM <br /> NlarntPnanCP <br /> The IC engine was turned off each 220 to 250 hours of operation t o <br /> perform routine maintenance activities Scheduled maintenance included <br /> lube, oil and filter for the engine and blowers, and draining of the <br /> moisture knock-out drum <br /> INFLUENT AIR SAMPLE COLLECTION AND <br /> ANALYSES <br /> Influent Aar Sammi <br /> On May 22, 2002, ASE collected an influent air sample (INF-VE-05 22 02) <br /> from the manifold of the 7 VE wells This sample was analyzed by Kiff <br /> Analytical of Davis, California (FLAP #2236) for total petroleum <br /> hydrocarbons as gasoline (TPH-G), benzene, toluene, ethylbenzene, and <br /> xylenes (collectively known as BTEX), the five fuel oxygenates and lead <br /> scavengers by EPA Method 8260B The analytical results for this sample <br /> • are tabulated in Table One The influent air sample analytical report and <br /> chain of custody record is attached in Appendix A <br /> Frank's One Stop Remediation System Monthly Report — May 2002 <br /> -2- <br />