States join to block lower air standards near taconite mineWinona Daily News, MN -3 hours ago...the Minnesota Department of Health show unusually high levels of mesothelioma in the region. Thediseaseis caused only by exposure toasbestosfibers. : http://www.asbestos-lawyers.it/states_join_to_block_lower_air_standards_near_taconite_mine_winona_daily_news-Nblgbmqmv.html