Plutonium Fields Forever

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Science  23 May 2003:
Vol. 300, Issue 5623, pp. 1220-1224
DOI: 10.1126/science.300.5623.1220

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KURCHATOV, KAZAKHSTAN-- A decade after inheriting the Soviet Union's vast nuclear testing range in Central Asia, authorities in Kazakhstan are only now discovering the extent of a dangerous legacy underfoot: plutonium hot spots that pose a serious proliferation threat. And access to the site is essentially uncontrolled and unrestricted.