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Top 6 Toxic Sites In The Anadarko Settlement

Fri, 04/04/2014 - 10:29am
Associated Press

These are the top toxic sites among thousands that are part of the $5.15 billion settlement with Anadarko Petroleum Corp. with approximate amount of funding for cleanup efforts and details about the sites, as provided by the Justice Department:

—Henderson, Nev.: $1.118 billion for prospective cleanup costs.

Groundwater at a former chemical manufacturing facility in Henderson, Nev., has been impacted by hexavalent chromium and perchlorate, a chemical used to produce rocket fuel, due to the since the 1940s.

—Navajo Abandoned Uranium Mines: $985 million for prospective cleanup costs.

Kerr-McGee left abandoned uranium mine sites, including contaminated waste rock piles, in the Lukachukai mountains of Arizona and in the Ambrosia Lake area of New Mexico. The Lukachukai mountains are located immediately west of Cove, Ariz., and are a culturally significant part of the Navajo Nation; the Ambrosia Lake area is just outside the Navajo Nation. The mining occurred from the late 1940s through the 1960s in the Lukachukai area and from the 1950s to the 1980s in Ambrosia Lake.

—Manville, N.J.: $217 million for past response costs; $4.5 million in natural resource damage penalties to be paid to New Jersey as natural resources trustee.

The proceeds the Environmental Protection Agency will receive for this site cover EPA's past costs expended at the site. While they will not address ongoing threats to human health and the environment, they will reimburse the significant response costs EPA spent at the site out of the Superfund. From 1910 until the mid-1950s, the site was used as a wood treatment facility, which occupied approximately 50 acres in the Borough of Manville.

—Riley Pass, S.D.: $179 million for prospective work.

The site is located in the North Cave Hills area of Harding County, S.D., primarily on a series of bluffs within the Custer National Forest where strip mining of uranium-bearing lignite took place in the 1960s.

—Chicago (Lindsay Light Removal Sites, Streeterville Rights-of-Way and DuSable Park): $119 million for prospective work.

Beginning in 1904 and continuing through the mid-1930s, the Lindsay Light Chemical Co. processed ore to extract radioactive thorium and manufactured gas mantles containing radioactive thorium at three locations in an area in downtown Chicago known as the "Streeterville Area." Lindsay Light merged with American Potash & Chemical Corp., which was acquired by Kerr-McGee.

—Columbus, Miss.: $67 million for prospective work.

The site is a former wood treatment facility, which began operations in 1928. Kerr-McGee purchased the facility in 1964 and operated it until its decommissioning in 2003. At the facility, wood products were treated with creosote, coal tar, and, until 1976, pentachlorphenol. Open ditches were used by Kerr-McGee for years to transport surface water runoff from the site to Luxapilila Creek. Numerous floods throughout the years spread the creosote contamination and polyaromatic hydrocarbons into the neighboring yards of residents.

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