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Geospte& <br />consultants <br />Mr. Himanshu H. Mehta, P.E. <br />Managing Director <br />Solid Waste Disposal District <br />Indian River County <br />1325 74t1i Avenue SW <br />Vero Beach, Florida 32968 <br />316 South Baylen Street, Suite 201 <br />Pensacola, Florida 32502 <br />PH 850.477.6547 <br />FAX 850.477.6707 <br />www.geosyntec.com <br />28 December 2016 <br />Subject: Proposal to Implement FDEP-Approved Remedial Action Plan Modification <br />(RAPM) Addendum No. 3 <br />Former South Gifford Road Landfill <br />Vero Beach, Indian River County, Florida <br />Dear Mr. Mehta: <br />Geosyntec Consultants (Geosyntec) is pleased to submit this letter proposal to the Indian River <br />County (IRC) Solid Waste Disposal District (SWDD) to provide professional services associated <br />with implementation of Florida Department of Environmental Protection (FDEP)-approved <br />RAPM Addendum No. 3 related to the recalcitrant chlorinated volatile organic compound (CVOC) <br />plume at the Former South Gifford Road Landfill located in Vero Beach, Indian River County, <br />Florida. As requested by IRC, this fee proposal includes budget to implement activities required <br />by FDEP as outlined in the RAPM Addendum No. 3 dated 31 May 2016 and approved by FDEP <br />in a letter dated 15 July 2016. Geosyntec has prepared this proposal (professional services as <br />Exhibit 1) as Amendment No. 2 to existing Work Order No. 4 for the Continuing Contract Agreement <br />for Professional Services between IRC SWDD and Geosyntec. <br />The remainder of this letter provides a project background, an overview of a description of the <br />proposed scope of work, a budget estimate, and a discussion of the schedule for accomplishment <br />of the work described herein. <br />PROJECT BACKGROUND <br />Remedial activities have been completed at the Site historically to address CVOC concentrations <br />identified in groundwater as outlined in the FDEP-required Remedial Action Plan (RAP) for the <br />Site, as well as subsequent RAP Modifications (RAPMs). Source removal activities were <br />completed in 2004 and subsequently bioremediation activities were implemented. Performance <br />monitoring data has been collected during subsequent semi-annual groundwater monitoring events <br />and the results of these monitoring events have been included within the semi-annual groundwater <br />XR16044 - Gifford RAPM31mp <br />engineers I scientists I innovators <br />P174 <br />