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Mr. Himanshu H. Mehta, P.E. 2 June 2023 Page 3 Geosyntecc> consultants Phase 1 — Proiect Management: Under this phase, Geosyntec will perform project planning and management responsibilities, such as correspondence with IRC SWDD and FDEP, invoice review, project coordination, and project administration. The budget includes two hours per month for the project manager (24 hours total) and one hour per month (12 hours total) for the project administrator. Phase 2 — Meetino/Regulatory Interaction: Under this phase, Geosyntec will prepare for and attend up to one meeting, with IRC SWDD, FDEP, and/or IRC Board of County Commissioners, as necessary. It has been assumed that this meeting will be in person. Also, under this phase, four hours has been included for the Senior Principal -in -charge to provide ongoing support to IRC SWDD related to interaction and negotiation with FDEP. Phase 3 — Annual Pollution Remediation Liabilities Evaluation: As requested by IRC SWDD, under this phase, Geosyntec will prepare the annual environmental liability evaluation. This document is prepared annually in response to Governmental Accounting Standards Board Statement No. 49 (GASB No. 49), Accounting and Financial Reporting for Pollution Remediation Obligations, which requires the inclusion and calculation of pollution remediation obligations. The objective of GASB No. 49 is to enhance the usefulness and comparability of pollution remediation obligation information reported by state and local governments. It has been assumed that the report will include evaluation of two sites, including Former South Gifford Road Landfill (47014 I't Street) and Former Premier Citrus Property (375 82nd Street). In addition, two hours have been included for a Florida -registered Professional Engineer to conduct an independent review of the liability evaluation. Phase 4 — Semi -Annual Sampling Activities: Under this phase, Geosyntec will perform 2023 routine semi-annual groundwater monitoring. The semi-annual activities will include field preparation, water level measurements, and groundwater sampling. Field preparation activities will include scheduling and staffing, subcontracting, coordination with the analytical laboratory, field equipment preparation, procurement of Passive Diffusion Bag (PDB) samplers, coordination with Vero Beach Municipal Airport for water level measurement, and notifying FDEP of the field schedule. Geosyntec will perform the groundwater sampling activities associated with the CVOC plume monitoring well network. Sampling activities in 2023 will be completed with a combination of PDB samplers, as a cost -savings measure, and traditional low -flow sampling techniques, to evaluate groundwater quality and the occurrence of intrinsic biodegradation. PDBs are anticipated to be purchased from EON Products, one of the few suppliers of this type of passive sampling device. Groundwater sampling activities will be executed using a 2 -person sampling crew and will be performed in general accordance with the FDEP Standard Operating Procedures (SOPS). The proposed Summer 2023 field event (tentatively scheduled for June 2023) will include sampling and analyses of groundwater from 9 monitoring wells. The Summer 2023 field event is budgeted to include 1 day for groundwater sampling activities and 1 day for PDB deployment for the next sampling event (total of 2 field days each with 2 persons). The proposed Winter 2023 field event (tentatively FR0766\XR23010.doex engineers I scientists I innovators