EPA amends cleanup plan for former Dubuque gas site - KWWL - Eastern Iowa Breaking News, Weather, Closings

EPA amends cleanup plan for former Dubuque gas site

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The Environmental Protection Agency has amended the cleanup plan for a contaminated former coal gasification plant site in Dubuque to include the installation of wells designed to prevent the movement of contaminants in the groundwater.

The People's Natural Gas Superfund Site is five acres about a quarter mile east of downtown Dubuque.

It was used to manufacture natural gas from the 1930s to 1954. Waste products dumped at the site contained hazardous substances that contaminate the soil and underground water. Contaminants include volatile organic compounds and hydrocarbons that are a health threat if ingested.

The EPA amendment includes installation of extraction wells and continued monitoring to ensure the contaminants naturally degrade over time.

The site was added to national priority list in 1990.

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