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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2010-0016 -40- SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS NORTH COUNTY LANDFILL SAN JOAQUIN COUNTY <br /> <br /> nature and extent of the release. c. A discussion of corrective action needs and options. d. Proposed additional corrective action measures, as necessary. e. A plan to monitor the progress of corrective action measures consistent with the MRP. f. Cost estimates for implementing additional corrective action, including monitoring. g. An implementation schedule. <br />8. Consistent with required facility monitoring under MRP Section B, the Discharger shall investigate the following monitoring facilities and, by <br />31 March 2010, submit a facility status report that includes the items identified below: <br />a. LCRS Sumps <br />1) A report describing current condition and operational controls. <br />2) A work plan and schedule for upgrading manually operated sumps (i.e., Modules 1 and 3), as necessary, to comply with Facility Specification C.4 of this Order. <br />b. Lysimeters <br />1) A report as to condition and operational status, including, but not limited to, those lysimeters typically reported as dry (e.g., VZs-1 through -3). <br />2) A work plan and schedule for repair or replacement of any lysimeter found not to be in good working order. <br />c. Monitoring Well G-2 <br />1) A report as to condition and operational status, including monitoring history of the well. <br />2) A work plan and schedule for repair or replacement of the well, as necessary. 9. By 30 April 2010, the Discharger shall submit for approval an updated preliminary closure and postclosure maintenance plan (PCPMP) to reflect current operations (including vertical expansion plans, if approved by LEA) and requirements under these WDRs, including MRP No. R5-2010-0016. The PCMP shall meet the requirements of Title 27 Section 21769(b) applicable to an active landfill. The updated plan shall include updated third party cost estimates for the following items, as necessary: <br />a. Landfill closure (e.g., grading, installation of cover) <br />b. Postclosure Maintenance (e.g., cover repairs, facility maintenance,