UCNIUnclassified Controlled Nuclear Information
UCNIUnited Church of Northern India (est. 1924)
UCNIUnit on Cognitive Neurophysiology and Imaging (National Institutes of Health)
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Unauthorized distribution of UCNI information, according to DOE spokesman Stuart Nagurka, is subject to "a civil fine of up to $100,000 and a criminal penalty of up to two years in prison.
Sensitive or not, the DOE document was still classified UCNI, protected by law.