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Y <br /> Rim Schwab <br /> January 28, 1992 <br /> Page 9 <br /> Response: <br /> As described in the revised closure plan, the gas and ground water <br /> monitoring networks will be monitored quarterly. The systems will <br /> be inspected during these monitoring events to insure proper <br /> performance. Any deficiencies in the system will be corrected <br /> immediately by the County. <br /> Comment 27: <br /> "Closure cost estimates are provided for dismantling the four <br /> existing ground water monitoring wells and the ten gas monitoring <br /> wells proposed for postclosure monitoring. Please provide closure <br /> cost estimates for dismantling the existing gas probes that will <br /> not be incorporated into postclosure or adjust this discrepancy. " <br /> Response: <br /> The gas probes have already been decommissioned according to <br /> Appendix F of the Closure Plan. This was paid for through the <br /> Solid Waste Enterprise Fund. Therefore, no cost is included in the <br /> Closure Plan for this task. <br /> Comment 28: <br /> "Include estimated annual costs for maintenance of gas and ground <br /> water monitoring systems in the postclosure cost estimates (14 CCR <br /> 18266(b) (3) <br /> Response: <br /> The postclosure cost estimates have been revised to include these <br /> annual maintenance costs. <br /> Comment 29: <br /> "The cost estimates and financial mechanism must be adjusted to <br /> reflect the above changes in the closure and postclosure <br /> maintenance plans. " <br /> Response: <br /> All appropriate cost and financial assurance sections have been <br /> revised to include changes. <br />