“Raw peanuts were stored next to the finished peanut butter. The roaster was not calibrated to kill deadly germs. Dispirited workers on minimum wage, supplied by temp agencies, donned their uniforms at home, potentially dragging contaminants into the plant, which also had rodents.”

http://www.nytimes.com/2009/02/09/us/09peanuts.html?_r=1&scp=1&sq=food%20safety%20laws&st=cse