Formulating bulk asbestos standards
Research Triangle Institute (RTI) has long been involved in the administration of proficiency testing programs for laboratories using polarized light microscopy (PLM) to analyze for asbestos in bulk building materials. Among these were the Environmental Protection Agency (EPA) Asbestos Bulk Sample Analysis Quality Assurance/Interim Accreditation Program, and currently the National Institute of Standards and Technology's National Voluntary Laboratory Accreditation Program, the Navy Asbestos Identification Proficiency Testing Program and the American Industrial Hygiene Association Bulk Asbestos Proficiency Testing Program.
Harvey, B., Perkins, R., Nickerson, J. G., Newland, A. J., & Beard, M. (1991). Formulating bulk asbestos standards. Asbestos Issues, 4(4), 22-29.