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WASTE DISCHARGE REQUIREMENTSORDER NO. R5-2003-0020 -16- ` FOR COUNTY OF SAN JOAQUIN FOR CONSTRUCTION, OPERATION, CLOSURE AND EVALUATION MONITORING FOOTHILL SANITARY LANDFILL, MUNICIPAL SANITARY LANDFILL SAN JOAQUIN COUNTY engineering geologist. It shall contain sufficient information and test results to verify that construction was in accordance with the design plans and specifications, and with the prescriptive standards and performance goals of Title 27. 8. A third party independent of both the Discharger and the construction contractor shall perform all of the construction quality assurance monitoring and testing during the construction of a liner system. 9. If monitoring reveals substantial or progressive increases of leachate generation above the design leachate flow volume (see Finding No. 40) by the Unit or portion of the Unit, such that the depth of fluid on any portion of the LCRS (excluding the leachate removal pump sump) exceeds 30 cm, the Discharger shall immediately notify the Board in writing within seven days. The notification shall include a timetable for remedial or corrective action necessary to achieve compliance with the leachate depth limitation. 10. Closure shall proceed only after approval of closure and postclosure maintenance plans. 11. Background monitoring points for the unsaturated zone shall be installed at a background plot having soil characteristics similar to those of the soil underlying the Unit's module(s). E. DETECTION MONITORING SPECIFICATIONS 1. The Discharger shall submit for Executive Officer review and approval a groundwater detection -monitoring program demonstrating compliance with Title 27 for any Unit expansion. 2. The Discharger shall comply with the detection monitoring program provisions of Title 27 for groundwater, surface water, and the unsaturated zone, and in accordance with Monitoring and Reporting Program No. R5-2003-0020. A detection -monitoring program for a new Unit shall be installed, operational, and one year of monitoring data collected prior to the discharge of wastes. 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 to the collection of samples associated with a detection monitoring program, evaluation monitoring program, or corrective action program. 4. The Discharger shall comply with the Water Quality Protection Standard as specified in this Order, Monitoring and Reporting Program No. R5-2003-0020, and the Standard Provisions and Reporting Requirements, dated April 2000. 5. The Water Quality Protection Standard for organic compounds which are not naturally occurring and not detected in background groundwater samples shall be taken as the