http://www.paulschou.com/tools/iso8859.html has a pretty comprehensive list. It's a lot to wade through, but you'll probably never need to look anywhere else.

BTW, is this for an engineering publication? Just out of curiosity...

Thanks for all the help. We found another way to work it. By inserting charset=utf-8 into <cfcontent type="text/xml; charset=utf-8"><cfoutput>#toString(projectXml)#</cfoutput></cfcontent>. We are able to send all charactors to the XML output so far.

This work is for a Eco/Biological Research Org. http://www.archbold-station.org/