IOM Sampler:  Personal Inhalable PM Sampling

The patented* IOM Sampler, developed by J. H. Vincent and D. Mark at the Institute of Occupational Medicine (IOM) in Scotland, meets the ACGIH sampling criteria for inhalable particulate mass. The IOM Personal Inhalable Sampler is a conductive plastic sampling head that houses a reusable 25-mm filter cassette with specified filter for the collection of inhalable airborne particles. When attached to a personal sampling pump operating at 2 L/min and clipped near a worker’s breathing zone, the IOM effectively traps particles up to 100 µm in aerodynamic diameter and closely simulates the manner in which airborne workplace particles are inhaled through the nose and mouth. Because both the cassette and the filter are pre and post-weighed as a single unit, all particles collected (even larger ones) are included in the analysis. The cassette can be cleaned, reloaded with a new filter, and reused.
* U.S. Patent No. 4,675,034

Meets U.S. and international standards

  • ACGIH sampling criteria for inhalable particulate
  • ISO/CEN health-related fraction of bioaerosols
  • Preferred sampler for HSE Method MDHS 14/3
  • NIOSH Method 5700 for particulate formaldehyde
  • Australian standard for inhalable particulate
  • Complies with MDHS 25/3 for organic isocyanates (stainless steel model)
  • Complies with MDHS 6/3 for lead (with single-hole head accessory)
  • Economical and reusable

Small and lightweight

  • Plastic model weighs less than 2 ounces (55 grams)

Efficient particulate sampling up to 100 µm
Maintains sample integrity

  • Removable 25-mm cassette system eliminates filter handling
  • Cassette and filter are weighed as a single unit to include all collected particles in analysis

Sampler and cassette available in stainless steel for chemical analysis

  • Provides ultimate moisture stability and autoclaving at higher temperatures
  • Ideal for sampling vapor-phase isocyanates

Improved plastic material significantly reduces effects of moisture 

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