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Mr. Himanshu Mehta <br />19 May 2022 <br />Page 2 <br />Work Completed to Date <br />The summer 2021 semi-annual groundwater monitoring event was completed on 7, 8, and 14 June <br />2021. During this mobilization, Geosyntec provided oversight for a driller subcontractor to make <br />maintenance repairs to monitoring well GR-MW06C. The summer 2021 Groundwater Monitoring <br />Report (GMR) was submitted to the Florida Department of Environmental Protection (FDEP) on <br />29 July 2021 and was approved by FDEP on 4 August 2021. The Annual Pollution Remediation <br />Liabilities Evaluation was submitted to IRC on 5 November 2021. The winter 2021 semi-annual <br />groundwater monitoring event was completed the week of 13 December 2021. A Florida -licensed <br />surveyor surveyed repaired monitoring wells GR-MW06C and GR-MW37B for horizontal <br />coordinates and vertical top of casing elevations in January 2022. The 2021 Annual GMR <br />summarized all 2021 monitoring results and was submitted to FDEP on 25 February 2022 and <br />approved by FDEP on 4 March 2022. Following submittal of the 2021 Annual GMR, further data <br />analysis was performed to evaluate concentration trends and the potential need for further <br />bioremediation because the previous remedial injection was performed five years ago (April 2017). <br />Work Reflected on Enclosed Invoice <br />Labor indicated as professional services ($5,445.10) is attributed to project management and <br />administration, submittal of the 2021 Annual GMR and subsequent correspondence with FDEP, <br />and evaluation of concentration trends as related to potential future bioremediation needs. The <br />remainder of the invoice is associated with a communications fee per the contract. <br />Recommended Actions <br />None. <br />CLOSURE <br />Geosyntec appreciates the opportunity to provide services to Indian River County. If you have any <br />questions regarding this correspondence, please feel free to contact me at (850) 483-5102. <br />Sincerely, <br />Crystal Wilson, P.G. (FL, AL) <br />Project Geologist <br />Enclosure <br />FR0766S/PR22022.docx <br />engineers I scientists I innovators <br />149 <br />