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I - - Exiraction System ' The ASIVE system was turned off during the end of year holiday season It was restarted on January 2, 2001 During the first two weeks of January, the system operated daily for periods of 8 to 12 hours in length using small volume propane tanks Due to a conflict in scheduling, a larger propane tank could not be delivered to the site until January 17, 2001 ' The smaller propane tanks were filled on a regular basis by ASE p e r s o n n e l until the larger tank was delivered After the permanent propane tank was installed and filled on January 17, 2001, the IC engine operated ' continuously except for brief periods of downtime for periodic, scheduled maintenance The system was turned off by ASE personnel on January 21 , 2002 to assess a minor propane leak inside the IC engine The system was ' re-started on January 23, 2002, although the leak could not be repaired ' Flaw Rat While operating, the system infected an average of 37 to 40 cubic feet p e r minute (cfm) of air into the 7 AS well manifold, and extracted between 55 and 61 cfm of petroleum-hydrocarbon laden air from the 7 VE well manifold The IC engine operated typically at 1800 RPM Maintenance '• The IC engine was turned off each 220 to 250 hours of operation to perform routine maintenance activities Scheduled maintenance included ' lube, oil and filter for the engine and blowers, and draining of t h e moisture knock-out drum EFFLUENT AND INFLUENT SAMPLE COLLECTION AND ANALYSES Water samples were collected and analyzed on a weekly basis by ASE to determine the performance of the GAC vessels, per the City of Manteca Sewer Discharge Permit The samples were collected from the effluent ' ' side of the various GAC vessels When GAC #1 and GAC #2 were sampled, ASE also collected a sample from the next vessel in series and placed it on HOLD at the laboratory, as a back-up in case the sample being analyzed showed breakthrough All of these samples were analyzed by Kiff Analytical of Davis, California (E.LAP #2236) for total petroleum hydrocarbons as gasoline (TPH-G), benzene, toluene, ethylbenzene, a n d • xylenes (collectively known as BTEX), the five fuel oxygenates and lead scavengers by EPA Method 8260B At no time during this month' s Frank's One Stop Remediation System's Monthly Report — January 2002 ' -3 -