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    Combined Amendment Approach Treats Chlorinated Solvents

    This case study reviews a formerly undeveloped site in downtown Jacksonville that was impacted with chlorinated solvents in the groundwater and metal-impacted soils. To treat the chlorinated solvent groundwater plume, Terracon selected multiple technologies from REGENESIS, including PlumeStop, zero-valent iron (ZVI), Bio-Dechlor Inoculum Plus (BDI Plus), and Hydrogen Release Compound (HRC). The site required remediation prior to moving forward with development. Ryan Companies US, Inc. (Ryan) was under contract to purchase the property from the site owner and was seeking an expedited closure of the site prior to completion of construction. Ryan plans to develop the site with a nine-story office building and an associated nine-level parking deck. Site rehabilitation through remediation and regulatory closure is being sought through Florida Department of Environmental Protection (FDEP) voluntary cleanup. Environmental engineering and consulting firm Terracon evaluated a variety of remedial technologies as well as existing site conditions to determine the most appropriate application for the site.

    Jacksonville case study

    Case study highlights:

    • Combined remedy approach ensured effective remediation.
    • FDEP Voluntary Cleanup program provided tax credits making the remediation and redevelopment possible.
    • Remediation allowed the undeveloped block to be developed into a nine-story office building in a growing area of downtown Jacksonville.
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    6m 39s reading time