Synthetic Mineral Fibers

Evaluating Exposure

The following resources aid in evaluating exposures to synthetic mineral fibers in the workplace. Typically, employee exposures are determined from breathing zone air samples that are representative of the 8-hour work day.

  • Exposure Limits for Synthetic Mineral Fibers. OSHA shows the time weighted average (TWA) exposure limits for synthetic mineral fibers suggested by OSHA, the American Conference of Governmental Industrial Hygienists (ACGIH), the National Institute of Occupational Safety and Health (NIOSH), and the State of California.
  • Marchant, G.E., et al. "A Synthetic Vitreous Fiber (SVF) Occupational Exposure Database: Implementing the SVF Health and Safety Partnership Program." Applied Occupational and Environmental Hygiene 17.4(2002): 276-285. Describes one element of this Partnership Program, the development of an occupational exposure database that characterizes exposures by fiber type, industry sector, product type, and job description.
Sampling and Analysis


For additional information, see OSHA's Sampling and Analysis Safety and Health Topics Page.

National Institute for Occupational Safety and Health (NIOSH)

  • NIOSH Manual of Analytical Methods (NMAM). NMAM is a collection of methods for sampling and analysis of contaminants in workplace air, and in the blood and urine of workers who are occupationally exposed. NMAM also includes chapters on quality assurance, sampling, portable instrumentation, etc.