PanHandler,
According to new articles from Washington State they now do not know for sure how many escaped, but place the number higher then 5000.  The GMO fish are farmed in British Columbia and there have been escapees. When you alter a organism's genes you are creating a "frankenfish".  In Southern Southeast Alaska we are less then 90 mikes away from the Canadian border. We are located 750 "air miles" from Seattle, less miles between here and the tip of Washington. We are Alaska too.  I know sometimes it's hard for folks North to remember that Southeast Alaska, especially Southern Southeast exsists but at one time we were the Salmon Capital of the world!  
Here is an interesting article about Atlantic Salmon in Alaskan waters.
http://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=111