Notice to Users

This web site is part of a Federal computer system used to accomplish Federal functions. The Department of Energy monitors this web site for security purposes to ensure it remains available to all users and to protect information in the system. By accessing this web site, you are expressly consenting to these monitoring activities.

Unauthorized attempts to defeat or circumvent security features, to use the system for other than intended purposes, to deny service to authorized users, to access, obtain, alter, damage, or destroy information, or otherwise to interfere with the system or its operation is prohibited. Evidence of such acts may be disclosed to law enforcement authorities and result in criminal prosecution under the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act of 1996 (Pub. L. 104-294), (18 U.S.C. 1030), or other applicable criminal laws.

Disclaimer of Liability

Documents available from the web server were prepared as an account of work sponsored by an agency of the U.S. Government. Neither the U.S. Government nor any agency thereof, or any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Further, The NIDC is not responsible for the contents of any off-site pages referenced.

Disclaimer of Endorsement

Reference to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the U.S. Government or any agency thereof. The views and opinions of document authors do not necessarily state or reflect those of the U.S. Government or any agency thereof.

Copyright Status

Documents provided from the web server were sponsored by a contractor of the U.S. Government under contract DE-AC05-00OR22725. Accordingly, the U.S. Government retains a nonexclusive, royalty-free license to publish or reproduce these documents, or to allow others to do so, for U.S. Government purposes. These documents may be freely distributed and used for non-commercial, scientific, and educational purposes.

Unauthorized Access

The NIDC web users are authorized to access only the documents listed on its menus. Users who attempt to gain unauthorized access to other data are subject to criminal and civil penalties under federal laws (including but not limited to PL 83-703 and 99-474).

Privacy Notice

We collect no personal information about you without your knowledge when you visit this site, although you may choose to provide this information to us in specific instances. However, we do collect and store certain information automatically, including but not limited to: the Internet Protocol (IP) address of the domain from which you access the Internet (e.g., 123.456.789.012), whether yours individually or provided as a proxy by your Internet Service Provider (ISP); the date and time you access our site; the pages you visit (recorded by the text and graphics files that compose that page); the Internet address of the web site from which you linked directly to our site. We use the summary statistics to help us make our site more useful to visitors, such as assessing what information is of most and least interest to visitors, and for other purposes such as determining the site's technical design specifications and identifying system performance or problem areas. This information is NOT shared with anyone beyond the support staff for this web site, except when required by law enforcement investigation, and is used only as a source of anonymous statistical information.

If you have questions or concerns about these policies, please contact the NIDC via email at

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