AACC- American Association for Clinical Chemistry ACS - American Chemical Society ANSI - American National Standards Institute AOAC - AOAC International ASTM - American Society for Testing and Materials CAP - College of American Pathologists CDC - Centers for Disease Control and Prevention FDA - U.S. Food and Drug Administration IAEA - Database of Natural Matrix Reference Materials ISO - International Organization for Standardization ISO - REMCO Worldwide listing of CRM Producers NCCLS - National Committee for Clinical Laboratory Standards NCSL/MSC - Measurement Science Conference NRC - Canada CRM Program NTIS - National Technical Information Service USDA - U.S. Department of Agriculture USGS - U.S. Geological Survey Geochemical Reference Materials USP - U.S. Pharmacopeia
