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A S S O C I A T E S I N C . show emission limits to be exceeded, a confirmation air sample will be taken immediately and analyzed on a 24-hour turnaround basis. If emission limits are shown to be exceeded, the system (� will be shut down and any necessary corrective action will be performed before repeating the startup sequence. SJVUAPCD will be notified that emission limits were exceeded within 24 hours of such indication. I� - Thermal oxidation is a proven technology and destruction efficiency is not anticipated to be a concern. Typical SJVUAPCD guidelines require that, extracted vapor influent to and effluent from n the thermal oxidation system will be monitored with a field instrument approved by the SJVUAPCD on a bi-weekly basis with a field instrument and monthly verification with by ll analytical laboratory testing. L_l 6.4 Systems Performance Evaluation it Following continued operation of the VES and air sparge system, a systems performance evaluation will be conducted to monitor the effectiveness of the remediation systems, and a report will be issued on a quarterly basis. This report may include the following: hours of operation; system _ influent and effluent field monitoring readings; laboratory results of influent and effluent air samples; total and individual vapor extraction well flow rates; total and individual air sparge well injection flow rates; induced vacuum responses recorded in observation wells; all other relevant field data collected; and results obtained such as observed radius of influence, system destruction _ efficiency, etc. � I Recommendations will then be made to further optimize system performance and to further enhance remediation of impacted soil and groundwater. Recommendations may include tie-in of additional vapor extraction or air sparge wells to the remediation system, upgrading of the off-gas abatement unit, etc. � l I ' I i wAwordpro\62596\rep0rts\irp.doc I 1