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Reference herein 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 CNDE, IPRT, Iowa State University or the State of Iowa. The views and opinions of authors expressed herein do not necessarily state or reflect those of CNDE, IPRT, Iowa State University or the State of Iowa, and shall not be used for advertising or product endorsement purposes.


Documents available from this server may be protected under the U.S. and foreign copyright laws. Permission to reproduce may be required.

CNDE is not responsible for the contents of any offsite pages referenced or linked.



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Any or all uses of this system and all files on this system may be intercepted, monitored, recorded, copied, audited, inspected and disclosed to authorized site, CNDE, IPRT, Iowa State University, and law-enforcement personnel, as well as authorized officials of other agencies, both domestic and foreign. By using this system, the user consents to such interception, monitoring, recording, copying, auditing, inspection and disclosure at the discretion of authorized site personnel.

Unauthorized or improper use of this system may result in administrative disciplinary action and civil and criminal penalties. By continuing to use this system you indicate your awareness of and consent to these terms and conditions of use. LOG OFF IMMEDIATELY if you do not agree to the conditions stated in this warning.



We collect no personal information about you when you visit this web site other than when you request to be placed on CNDE mailing lists.  However, we collect and store certain information automatically. What we collect and store automatically is:

  • the Internet Protocol (IP) address of the domain from which you access the Internet (i.e. 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 peruse (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 to this home page, except when required by law enforcement investigation, and is used only as a source of anonymous statistical information.