Federal Register: June 26, 2001 (Volume 66, Number 123)
Page 33954



Record of Decision To Classify Certain Elements of the SILEX 
Process as Privately Generated Restricted Data

AGENCY: Office of Nuclear and National Security Information, DOE.

ACTION: Notice.


SUMMARY: This notice announces the Secretary of Energy's decision to 
classify as Restricted Data certain privately generated information 
concerning an innovative isotope separation process for enriching 
uranium. Under 10 CFR 1045.21(c), the Secretary of Energy is required 
to inform the public whenever the authority to classify privately 
generated information as Restricted Data is exercised.

SUPPLEMENTARY INFORMATION: An Australian company, Silex Systems, 
Limited, has been developing the Separation of Isotopes by Laser 
Excitation (SILEX) process to enrich uranium since 1992. In 1996, USEC, 
Inc., purchased the rights from Silex Systems, Limited, to evaluate and 
further develop this process. The privately generated information which 
the Secretary of Energy has classified as Restricted Data under the 
Atomic Energy Act of 1954, as amended, pertains to certain elements of 
the SILEX process.

    Issued in Washington, DC on June 19, 2001.
Joseph S. Mahaley,
Acting Director, Office of Security and Emergency Operations.
[FR Doc. 01-15982 Filed 6-25-01; 8:45 am]