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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)]

Defense Threat Reduction University - With its wealth of expertise and resources, DTRA stands as the Department of Defense's (DOD) leader in weapons of mass destruction (WMD)-related education and training. Through the Defense Threat Reduction University (DTRU), DTRA prepares those in the military, federal government and others to face these threats by providing a unique multi-disciplinary curriculum focusing on various aspects of countering WMD. [U.S. Department of Defense (DOD)]

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Standard Reference Materials (SRMs) - NIST supports accurate and compatible measurements by certifying and providing over 1300 Standard Reference Materials® with well-characterized composition or properties, or both. These materials are used to perform instrument calibrations in units as part of overall quality assurance programs, to verify the accuracy of specific measurements and to support the development of new measurement methods. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Various laboratories]