US Corporations have Dumped 206 Million Pounds of Toxic Chemicals into America’s Waterways | Global Research
Of the top 10 parent-companies releasing the largest amount of toxins, 
four are corporate agribusiness companies: Tyson, Cargill Inc., Perdue 
Farms Inc. and Pilgrims Pride Corp. Industrial facilities released more 
than 1.4 million pounds of chemicals linked to cancer into 688 local 
watersheds during 2012, including arsenic, benzene and chromium. The 
North Fork Humboldt River watershed in Nevada received the largest 
release of carcinogens among local watersheds, followed by the Lake 
Maurepas watershed in Louisiana.
