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Mr. Himanshu H. Mehta, P.E. 28 December 2016 Page 3 Phase 2—Meetings/Regulatory Interaction Under this task, Geosyntec will prepare for, and attend a project meeting with FDEP, as requested by IRC SWDD. It has been assumed that two Geosyntec personnel will attend the meeting, which will be held at the IRC SWDD office. A powerpoint presentation will be prepared for use during the meeting. Phase 3—Iniection Activities Under this task, Geosyntec will implement the proposed injection activities, as outlined in the FDEP-approved RAPM Addendum No. 3 and detailed information provided to IRC SWDD via email on 28 December 2016 regarding the proposed injection approach and refined treatment area. These activities will include monitoring well installation,procurement of injection amendment and drilling subcontractor and performance of the injection activities. It has been assumed that the injection activities can be completed in five field days(one day for onsite field prep,three days for monitoring well installation and injection activities, and one day for breakdown). IDW will be containerized and staged on-site for proper disposal. Underground Injection Control (UIC) monitoring is required after injecting remedial fluids into the aquifer according to Chapter 62-528 of the Florida Administrative Code (F.A.C.). UIC monitoring will be included with the semi-annual sampling events until criteria are met. Performance monitoring of CVOCs and total organic carbon will continue to be included as part of the semi-annual sampling events. Budget for UIC and performance monitoring will be conducted concurrently with semi-annual groundwater monitoring at the Site as a cost-savings measure. Budget has not been included herein for these activities at this time. Phase 4—Reporting Implementation of RAPM Addendum No. 3 will be summarized in the semi-annual groundwater monitoring report that follows completion of the implementation activities. A limited budget has been included herein to incorporate a description of these activities and a summary of the results into the currently authorized semi-annual groundwater monitoring reports. SCHEDULE Geosyntec will initiate project scheduling and implementation activities within two weeks of receipt of notice to proceed from the County. The final field schedule will be based on subcontractor availability and the delivery schedule for the injection materials. We anticipate that the field activities will tentatively be conducted in February 2017. A description of the well installation and dosing activities will be included in future semi-annual groundwater monitoring report(s). XR16044-Gifford RAPM3 Imp engineers I scientists I innovators