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| reference materials activities interfacing with similar efforts in the private sector, other federal agencies, and other nations. This includes programs with the American Society for Testing Materials (ASTM), the International Organization for Standardization (ISO), the American Association for Clinical Chemistry, the International Union of Pure and Applied Chemistry AACC, and the European Economic Community. Standard Reference Materials® (SRMs) and Reference Materials (RMs) that are currently available through the NIST Standard Reference Material program: Chemical Composition- Ferrous Metals, Non-Ferrous Metals, Microanalysis, High-Purity Materials, Health and Industrial Hygiene, Inorganics, Primary Gas Mixtures, Fossil Fuels, Organics, Food and Agriculture, Geological Materials and Ores, Ceramics and Glasses, Cement, Engine Wear Materials. Physical Properties- Ion Activity, Polymeric Properties, Thermodynamic Properties, Optical Properties, Radioactivity, Electrical Properties, Metrology, Ceramics and Glasses, X-Ray Spectrometry. Engineering Materials- Sizing, Surface Finish, Nondestructive Evaluation, Fire Research, Miscellaneous Performance Engineering Materials. |
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