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Audit questions NASA's plan for former rocket site

Posted: February 14, 2013 2:22 p.m.
Updated: February 14, 2013 2:22 p.m.

A report released Thursday questioned NASA's cleanup plans for The old Rocketdyne - Santa Susana Field Laboratory. It suffered a partial meltdown in 1959.

SIMI VALLEY, Calif. (AP) — NASA has agreed to an "excessive and unnecessarily costly cleanup" of a former rocket test facility near Los Angeles that was the site of a partial nuclear meltdown in 1959, the space agency's watchdog said Thursday.

An audit by NASA's inspector general questioned whether it was the best use of limited funds and urged the agency to re-examine its cleanup plans for the Santa Susana Field Laboratory, where the federal government and other parties conducted nuclear research and tested rocket engines for four decades.

Several of the site's former users, including NASA, are required by law to clean contaminated groundwater and soil at the site by 2017.

NASA estimated it would cost at least $200 million to reduce pollution to background levels at its portion of the 2,850-acre hilltop complex about 30 miles northwest of Los Angeles. The NASA section will be preserved as open space once it's decontaminated.

NASA "can ill afford to spend tens of millions of dollars to clean up an area beyond its risk level or expected land use," the report said.

Besides, the inspector general's office said, Santa Susana is not NASA's only worry.

"Several other projects pose greater risks to human health and the environment than Santa Susana," the report said.

During the Cold War, workers at the sprawling site tested rockets and experimental nuclear reactors. Over the years, the site has housed 10 nuclear reactors, low-power reactors, plutonium and uranium carbide fabrication plants.

In 1959, one reactor's coolant channels became blocked, causing fuel rods to overheat and partially melt.

By the time the lab closed in late 1990s, decades of testing and several accidents since the partial meltdown contaminated the soil. Residents and environmentalists have criticized the slow pace of the cleanup.

NASA and the California Department of Toxic Substances Control, which oversees the cleanup, did not immediately respond to a request for comment.


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