(December 16, 2016, 9:55 AM EST) -- HARRISONBURG, Va. — E.I. du Pont de Nemours and Co. (DuPont) on Dec. 15 entered into a proposed agreement in Virginia federal court with the federal government, commonwealth of Virginia and its secretary of Natural Resources, in which the company agreed to spend $52 million to restore natural resources along 100 miles of river that were affected by mercury spills dating back to the 1930s and 1940s (United States of America, et al. v. E.I du Pont de Nemours and Company, No. 16-cv-0082, W.D. Va.)....