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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2010-0016 -29- SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS NORTH COUNTY LANDFILL SAN JOAQUIN COUNTY accordance with the design plans and specifications, and with the prescriptive standards and performance goals of Title 27. A registered civil engineer or a certified engineering geologist shall certify the report. 9. A third party independent of both the Discharger and the construction contractor shall perform all of the CQA monitoring and testing during the construction of a liner system. 10. Any proposal for final cover included in the FCP shall meet the requirements of Title 27 and Subtitle D, including the requirement that that the permeability of the LHC layer be no greater than that of the base liner or underlying natural geologic materials (whichever is less) in order to prevent a "bathtub effect'. See Section 21090(a)(2), Title 27; Section 258.60(a)(1), Subtitle D. 11. Closure or partial closure of the unit shall proceed only after submission of a FCP meeting the requirements of Title 27 to, and adoption of closure WDR by, the Regional Water Board. 12. LFG extraction facilities necessary to control LFG shall be installed as each new module is constructed and developed. New modules shall be tied into the existing LFG extraction system in order to help control LFG. E. MONITORING SPECIFICATIONS The Discharger shall comply with the background and detection monitoring program provisions of Title 27 for groundwater, surface water, and the unsaturated zone, and in accordance with MRP No. R5-2010-0016. Background monitoring shall be conducted for the purpose of establishing and updating concentration limits as part of the Water Quality Protection Standard (WQPS) per Title 27 Section 20400(a). Detection monitoring shall be conducted for the purpose of detecting a release from the unit (or from individual modules in the unit) per Section 20420. 2. In the event of a release from the unit, the Discharger shall comply with the evaluation and corrective action monitoring provisions of Title 27 and MRP No. R5-2010-0016. Evaluation monitoring shall be conducted for the purpose of assessing the nature and extent of the release and designing corrective action measures. Corrective action monitoring shall be conducted for, and for assessing the progress of corrective action in returning to compliance with the WQPS (Title 27 Section 20430(d)). 3. The Discharger shall provide Board staff a minimum of one week notification prior to commencing any field activities related to the installation, repair, or abandonment of monitoring devices, and a minimum 48 hour notification prior