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Regulation Update

Donaldson® Torit® is committed to providing air filtration solutions to industry challenges! On February 28, 2006, OSHA published its revised Hexavalent Chromium Cr(VI) permissible exposure limits (PEL), dropping the allowable exposure from 50 µg/m3 (micrograms per cubic meter) to only 5 µg/m3. Based on this new standard, you may now have employees in your facility who are overexposed.

What is Hexavalent Chromium?
Hexavalent Chromium Cr(VI) is a chemical component within fume and dust particles created in a variety of processes. It is not a discrete particle. Cr(VI) is present in several forms and is generated in a variety of industries and processes. As examples, occupational exposures to Cr (VI) might occur during the processing of various steels, in working with chromate chemicals, or from processing some pigments. With the new PEL of 5 µg/m3 you may now have employees who are over exposed in a range of processes, including:
  • Welding
  • Metal cutting
  • Plasma spraying
  • Thermal cutting
  • Painting
  • Chrome plating
  • Coating processes

When a process generates dust or fumes containing Cr(VI), the new standard requires employers to institute effective engineering controls as the primary means to reduce and maintain employee exposures to Cr(VI) at or below 5 µg/m3.

How To Control Fumes & Dust that may contain Cr(VI)
As part of a well designed industrial ventilation system, Donaldson Torit Ultra-Web® nanofiber filter media, is the most efficient and cost-effective choice of media for dust and fume collection. Combined with Donaldson® Torit® Downflo® Oval cartridge dust collectors, Easy-Trunk® or Porta-Trunk® fume collectors, your filtration solution can achieve effective engineering control of the dusts and fumes containing Cr(VI).
While Donaldson Torit engineers are NOT experts on Hexavalent Chromium – we can offer expertise in air filtration solutions for your processes or provide you the latest technical white paper
“ Hexavalent Chromium:What You Need to Know”

Donaldson® Torit® is committed to providing air filtration solutions to industry challenges, so contact us today!

For additional information about Hexavalent Chromium, visit:
Environmental Protection Agency
National Institute for Occupational Safety and Health (NIOSH)
California Air Resources Board






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