The Defense National Stockpile Center (DNSC)-a part of the Defense Logistics Agency-is responsible for providing safe, secure and environmentally sound stewardship for all commodities in the defense national stockpile, including mercury. There are 4,408 metric tons of mercury safely stored in four secure locations in the United States. The DNSC is preparing an environmental impact statement (EIS) because the stockpiled mercury has been declared excess to national defense needs. The DNSC mercury storage sites are in New Haven, IN, Somerville, NJ, and Warren, OH. DNSC also stores mercury at the Department of Energy's Y-12 National Security Complex in Oak Ridge, TN. New Haven, IN 557 metric tons (1.23 million lbs.) 614 tons

Somerville, NJ 2,615 metric tons (5.765 million lbs.) 2,883 tons

Oak Ridge, TN 673 metric tons (1.48 million lbs.) 742 tons

Warren, OH 563 metric tons (1.24 million lbs.) 621 tons