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Mr. Himanshu H. Mehta, P.E. December 31, 2015 Page 3 Request for Additional Information, Permit Renewal Application 5031-0128769-021" dated July 5, 2012 and the response by CDM Smith on behalf of IRC dated July 16, 2012. CDM Smith contracted with Ideal Tech Service Inc. (ITS) to perform the groundwater, surface water, and leachate sampling. CDM Smith/ITS performed the January 2015 and July 2015 semi- annual sampling of the Class 1 and construction and demolition (C&D) debris landfill groundwater monitor wells for the list of semi-annual groundwater parameters of the MPIS. CDM Smith/ITS collected water level data for the groundwater monitor wells and staff gauges prior to the sampling events. CDM Smith/ITS also performed the 2015 semi-annual (January and July) sampling of the six surface water sites for analysis of the list of semi-annual surface water parameters. CDM Smith assisted IRC SWDD in coordinating the analytical testing activities with 1RC's laboratory (Environmental Conservation Laboratories), notified FDEP prior to sampling as required by the MPIS, reviewed and evaluated the analytical test results, and prepared the semi-annual reports. The January 2015 Water Quality Sampling Event report was submitted to FDEP on March 24, 2015 and the July 2015 Water Quality Sampling Event report was submitted to FDEP on September 23, 2014. TASK 3.0 -WATER QUALITY SAMPLING AND REPORTING Under this task, CDM Smith prepared and submitting a technical report in accordance with the MPIS and Chapter 62-701.51O(9)(b), FAC, and Paragraph 35 of the current Monitoring Plan Implementation Schedule, which was revised on March 7, 2011. The final report was submitted to FDEP on May 28, 2015. The report was based on laboratory data received from IRC SWDD for the July 2012, January 2013, July 2013, January 2014, July 2014, and January 2015 semi-annual monitoring events. This report is required every 2.5 years during the active life of the facility. The report included: 1. Tabular displays of any data which shows that a monitoring parameter has been detected, and graphical displays of any leachate key indicator parameters detected (such as pH, specific conductance, Total Dissolved Solids (TDS), TOC, sulfate, chloride, sodium and iron), including hydrograph for all monitor wells; 2. Trend analyses of any monitoring parameters consistently detected; 3. Comparisons among shallow, middle, and deep zone wells; 4. Comparisons between background water quality and the water quality in detection and compliance wells; 5. Correlations between related parameters such as total dissolved solids and specific conductance; 6. Discussion of erratic and/ or poorly correlated data; ell 617NAm 107