The Air Force acknowledges that it routinely withheld records from regulators, contractors, and the public.
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“All activities supporting the nuclear defense program are highly classified to protect national security. Since this included weapons maintenance waste materials during the period involved, information on the amounts and locations of this waste was not found in the historical records searches originally performed as a basis for cleanup. The recent availability of the documents from the Cold War era has led to the discovery of locations where low-level radioactive waste from weapons maintenance activities may have been buried in the [Weapons Storage Areas] WSAs.