D:
Defense Threat Reduction IAC (DTRIAC) - The Defense Threat Reduction Information Analysis Center (DTRIAC) is the key Department of Defense source of information and analysis on nuclear and conventional weapons-related topics. Sponsored by the Defense Threat Reduction Agency, DTRIAC has major reference collections of documents, photographic data, and films and can search, retrieve and perform analyses on DTRA-internal and community-wide nuclear/conventional weapons phenomena, effects and technology matters and related nuclear/conventio [U.S. Department of Defense (DOD)]

E:
Environmental Management - Responsible for the risk reduction and cleanup of the environmental legacy of the Nation's nuclear weapons program [U.S. Department of Energy (DOE), Office of Environmental Management (EM)]

L:
Low Dose Radiation Research Program - Researches cellular and molecular responses to doses of X-ray or gamma radiation that are at or near current workplace exposure limits [U.S. Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]