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  Kerr McGee

The Kerr-McGee Chemical Corporation (now known as Tronox, Inc.) operated a wood-preserving plant in Columbus, Mississippi, from 1928 to 2003. The plant covers about 90 acres and is surrounded by a mix of homes and businesses, including schools and daycare facilities.

The company manufactured pressure-treated railroad products such as wooden cross ties, switch ties, and timbers. The production processes at the plant used creosote and creosote coal tar solutions. EPA placed the Kerr-McGee Site on the National Priorities List (NPL)...Continue »