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Flo- ate <br /> i <br />' While operating, the system infected an average of 48 cubic feet p e r <br /> minute (cfm) of air into the 7 AS well manifold, and extracted an average <br /> of 62 cfm of petroleum-hydrocarbon laden air from the 7 VE well <br /> tmanifold The IC engine operated typically at 1850 RPM <br /> Maintenance <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 /> 1 <br /> EFFLUENT AND INFLUENT SAMPLE <br /> COLLECTION AND ANALYSES <br /> Effluent Water Samj2le <br /> Water samples were collected and analyzed on a weekly basis by ASE t o <br />' determine the performance of the GAC vessels, per the City of Manteca <br /> Sewer Discharge Permit The samples were collected from the effluent <br /> side of the various GAC vessels When GAC #1 and GAC #2 were sampled, <br />' ASE also collected a sample from the next vessel in series and placed it on <br /> HOLD at the laboratory, as a back-up in case the sample being analyzed <br /> showed breakthrough All of these samples were 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 At no time during this month' s <br /> operation, did the effluent entering the sewer line contain any detectable <br /> Iconcentrations of any of the compounds tested The effluent water <br /> sample analytical reports and chain of custody records are attached in <br /> Appendix A <br /> Influent Water.,,.Samgln <br />' On February 27, 2002, ASE collected an influent water sample (INF <br /> 02 27 02) This sample was analyzed by Kiff Analytical of Davis, <br /> ICalifornia (ELAP #2236) for TPH-G, 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 water sample analytical report <br /> Frank's One Stop Remediation System's Monthly Report — February 2002 <br /> -3- <br />