Arconic

Alcoa superfund report – remediation to contain/treat groundwater contamination apparently working

Remediation efforts to prevent contaminated groundwater at Alcoa's Davenport Works from reaching the Mississippi River appear to be working, according to a five-year analysis issued recently (7/28) by the U.S. Environmental Protection Agency (EPA).

The report states the system of wells and pumps around the site are preventing contaminated groundwater from moving offsite. Once captured, the contaminated water is treated to remove the pollutants: polychlorinated biphenyls (PCB's), volatile organic compounds (VOC's), polynuclear aromatic hydrocarbons (PAH's) and metals.

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