Filter pore size and aerosol sample collection.

Details

• Personal Author:
  Lindsley WG
• Description:
  Aerosol sampling filters are commonly used in industrial hygiene and environmental monitoring to collect airborne particles for analysis. The filter characteristics provided by the manufacturer frequently include the term "pore size" or "equivalent pore diameter," and pore size is also specified in many particle-sampling methods written by government agencies and standards organizations. Unfortunately, the pore size of a filter is often misunderstood, which can lead to the misinterpretation of test results and the selection of filters with much higher flow resistances than are needed for a particular application. The purpose of this article is to discuss how aerosol filters actually work and what the equivalent pore diameter really means, and then to explain how this information should be used when selecting filters and interpreting data. Much of the information and terminology presented here were drawn from Hinds [1999], Brock [1983], Lippmann [2001] and Raynor et al. [2011]. All of these sources provide a more in-depth discussion of filter theory and use and are highly recommended if more information is desired.
• Subjects:
  Accidents, Occupational Air Pollutants, Occupational Air Pollution, Indoor Dust Manufacturing And Industrial Facilities Metals Metal Workers Occupational Health Poisoning Preceptorship Safety Staff Development Surveys And Questionnaires Workplace

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• Keywords:
  Aerosols Aerosol Sampling Airborne Particles Environmental Monitoring Filters Industrial Hygiene Monitoring Systems Monitors Particulates Particulate Sampling Methods Sampling Methods

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• Publisher:
  National Institute for Occupational Safety and Health
• Document Type:
  Text
• Genre:
  Chapter
• Place as Subject:
  Ohio ; OSHA Region 3 ; OSHA Region 5 ; West Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  HELD - Health Effects Laboratory Division ; DART - Division of Applied Research and Technology
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  FP1-FP14
• NIOSHTIC Number:
  nn:20047994
• Citation:
  NIOSH manual of analytical methods, fifth edition. Ashley, Kevin E., O'Connor PF, eds. Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2014-151, 2016 Apr; :FP1-FP14
• Editor(s):
  Ashley, Kevin E. ; O'Connor PF
• Federal Fiscal Year:
  2016
• NORA Priority Area:
  Healthcare and Social Assistance
• Peer Reviewed:
  False
• Source Full Name:
  NIOSH manual of analytical methods, fifth edition
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:8967514d4adb8dee743bbc552521ddc584e144e943bd8ea95dd5cb90ab9fce3e21fefff227d90347b05888062196e8dbe5319f30c2929c417200e4f1d1dd471c
• Download URL:
  https://stacks.cdc.gov/view/cdc/181706/cdc_181706_DS1.pdf
• File Type:
  [PDF - 1.00 MB ]