Defense Cleanup: Efforts at Former Military Sites on Vieques and Culebra, Puerto Rico, Are Expected to Continue Through 2032, Report to Congressional Committees   [open pdf - 5MB]

From the Highlights: "For several decades, DOD used the islands of Vieques and Culebra, Puerto Rico, for training sites that left extensive amounts of munitions, hazardous substances, and other contaminants on the islands and in their surrounding waters. DOD began cleanup efforts on Culebra in the early 1990s and on Vieques in the mid-2000s. Both efforts are conducted pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended. On Vieques, the U.S. Navy funds and leads the cleanup efforts, and the Environmental Protection Agency (EPA) has oversight responsibilities. On Culebra, the Corps funds and leads the cleanup efforts, and the Commonwealth of Puerto Rico has oversight responsibilities. The conference report accompanying the National Defense Authorization Act for Fiscal Year 2020 (H.R. Rep. No. 116-333) contained a provision for GAO [Government Accountability Office] to study the status of the federal cleanup on Vieques and Culebra. This review (1) discusses the status and cost of cleanup efforts, (2) identifies challenges to the cleanup efforts and examines how DOD is addressing them, and (3) describes the cleanup technologies DOD is using at these sites and how federal agencies assess the feasibility of innovative technologies. GAO reviewed agency data, documentation, and guidance; and interviewed DOD, EPA, and other federal officials, Commonwealth officials, academic researchers, and residents of both islands."

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Public Domain
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Government Accountability Office: http://www.gao.gov/
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