Steven Aftergood (Project on Government Secrecy, Federation of American Scientists) has obtained a CRS report that examines “sensitive but unclassified” information of the federal government.
‘Sensitive But Unclassified’ Information and Other Controls: Policy and Options for Scientific and Technical Information, by Genevieve J. Knezo, Congressional Research Service, dated February 15, 2006 (published March 14, 2006). (86 page PDF document)
This report traces the evolution of SBU-related controls; summarizes actions taken to protect certain types of scientific and technical information; describes critiques of some control policies; and summarizes proposals and actions, including congressional, executive and other initiatives, to clarify these issues and develop policies that serve various stakeholders. It also raises issues that may warrant further attention
For more documents and links see A Focus on “Sensitive But Unclassified” Information by Steven Aftergood, Secrecy News, Volume 2006, Issue No. 34 March 15, 2006.