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Targeted Brownfield Assessment & Cleanup of Former Manufactured Gas Plant Site, 260 River Street, Montpelier, Vermont

In the Spring of 2017, Stone was retained by 260 River Corporation to perform a Phase II Environmental Site Assessment (ESA) of a property in Montpelier, Vermont formerly operated as a Manufactured Gas Plant (MGP). Former MGP operations at the Site between 1902 and 1949 resulted in releases and improper disposal of coal gasification wastes, most notably coal tar. Coal tar was released to the subsurface from gas holders and dumped directly onto the bank of the Winooski River, which adjoins the site. These, and other, site practices have resulted in soil, groundwater, sediment, and surface water contamination that will require corrective actions to remediate unacceptable risks to human health and the environment.

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