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MONITORING AND ORTING PROGRAM NO. 0 5 SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS FOR POST-CLOSURE AND CORRECTIVE ACTION MONITORING CORRAL HOLLOW MUNICIPAL SOLID WASTE LANDFILL SAN JOQUIN COUNTY D. MONITORING The Discharger shall comply with the detection monitoring program provisions of Title 27 for groundwater, surface water, and the unsaturated zone, in accordance with Detection Monitoring Specification E.2 and EA of Waste Discharge Requirements, Order No. . All monitoring shall be conducted in accordance with a Sample Collection and Analysis Plan, which includes quality assurance/quality control standards, that is acceptable to the Executive Officer. All point of compliance monitoring wells established for the detection monitoring program shall constitute the monitoring points for the groundwater Water Quality Protection Standard. All detection monitoring program groundwater monitoring wells, unsaturated zone monitoring devices, leachate, and surface water monitoring points shall be sampled and analyzed for monitoring parameters and constituents of concern as indicated and listed in Tables I through IV. Method detection limits and practical quantitation limits shall be reported. All peaks shall be reported, including those which cannot be quantified and/or specifically identified. Metals shall be analyzed in accordance with the methods listed in Table V. The Discharger may, with the approval of the Executive Officer, use alternative analytical test methods, including new USEPA approved methods,provided the methods have method detection limits equal to or lower than the analytical methods specified in this Monitoring and Reporting Program. 1. Groundwater The Discharger shall install and operate a groundwater detection monitoring system that complies with the applicable provisions of§20415 and §20420 of Title 27 in accordance with a Detection Monitoring Program approved by the Executive Officer. The Discharger shall collect,preserve, and transport groundwater samples in accordance with the approved Sample Collection and Analysis Plan. The Discharger shall determine the groundwater flow rate and direction in the uppermost aquifer and in any zones of perched water and in any additional zone of saturation monitored pursuant to this Monitoring and Reporting Program, and report the results semiannually, including the times of highest and lowest elevations of the water levels in the wells. Hydrographs of each well shall be submitted showing the elevation of