http://ehp.niehs.nih.gov/members/2003/6200/6200.html
http://www.google.com/hostednews/ap/article/ALeqM5gIqUPOgHdanRTyGcV9HMKa...
http://ipsnews.net/news.asp?idnews=52548
http://www.tmia.com/march26
http://www.businessweek.com/ap/financialnews/D9HQIBA00.htm
http://www.pennenergy.com/index/power/display/1925145272/articles/electr...
http://www.washingtonexaminer.com/local/ap/hot-tennessee-river-costs-tva...