Recommended Exposure Limits (REL)

Details

• Personal Author:
  Weinrich AJ
• Description:
  Recommended exposure limit (REL) is the name used by the US National Institute for Occupational Safety and Health (NIOSH) for the occupational exposure limits (OELs) it recommends to protect workers from hazardous substances and conditions in the workplace. RELs are not regulations. While they are intended primarily as recommendations to the US Occupational Safety and Health Administration (OSHA) and the Mine Safety and Health Administration (MSHA) for use in promulgating legal standards, they also may help employers, workers, and health professionals to recognize and control occupational hazards. Most RELs have been developed for chemical air contaminants, usually represented as numerical values for airborne concentrations (expressed as ppm, mg m-3, or fibers cm-3). However, NIOSH has developed RELs for other hazards, including physical agents such as noise, heat, and ultraviolet radiation. Like other OELs, NIOSH expresses most RELs as time-weighted average (TWA) exposures, for up to 10 h day -1 during a 40 h workweek. [Description provided by NIOSH]
• Subjects:
  Air Pollutants, Occupational Air Pollution, Indoor Environmental Exposure Environmental Monitoring Hazardous Substances Occupational Exposure Occupational Health Safety Safety Management
• Keywords:
  Air-contamination Control-methods Employee-exposure Exposure-assessment Exposure-levels Exposure-limits Hazardous-materials Health-hazards Industrial-exposures Occupational-exposure Occupational-hazards Permissible-concentration-limits Permissible-limits Safety-measures Short-term-exposure Time-weighted-average-exposure Work-intervals

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• ISBN:
  9780123694003
• Publisher:
  Academic Press
• Document Type:
  Text
• Genre:
  Book
• Place as Subject:
  Ohio ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  EID - Education and Information Division
• Topic:
  Workplace Safety & Health
• Location:
  North America
• NIOSHTIC Number:
  nn:20043969
• Citation:
  Encyclopedia of toxicology, second edition. Wexler P, Anderson BD, De Peyster A, Gad SC, eds. San Diego, CA: Academic Press, 2005 Mar; :621-622
• Editor(s):
  Wexler P; Anderson BD; De Peyster A; Gad SC
• Federal Fiscal Year:
  2005
• Peer Reviewed:
  False
• Source Full Name:
  Encyclopedia of toxicology, second edition
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:10b6fe49841ba4f25a69d6e09207e4adb9c7e5e76f785c6e025ee64ba56a567c801aa54b011a63c9dde64ab6a4b1edee440c75f8be53b8d6de875f62ffded8b3
• Download URL:
  https://stacks.cdc.gov/view/cdc/199828/cdc_199828_DS1.pdf
• File Type:
  [PDF - 151.52 KB ]