Report Suggests High PCB Levels In Farmed Salmon By Eric Pianin A sharp rise in the consumption of farmed salmon may be posing a health threat to millions of Americans because of high levels of PCBs that have been found in limited samples of the popular fish, according to a study released yesterday. http://www.washingtonpost.com/wp-dyn/articles/A64633-2003Jul29.html?referrer=emailarticle