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Assessing Challenges Associated With Sampling Hexavalent Chromium Under New Consensus Guidelilnes, Megan L. Steele
Assessing Challenges Associated With Sampling Hexavalent Chromium Under New Consensus Guidelilnes, Megan L. Steele
Theses and Dissertations
Hexavalent chromium is a corrosion inhibitor found in the primer of most aircraft platforms across the Department of Defense (DoD), from fighter jets to transports. It is also known to cause cancer in humans. Currently, the Occupational Safety and Health Administration (OSHA) legal exposure limit is 5 μg/m3 for workers exposed to hexavalent chromium. A non-regulatory scientific body has recently recommended lowering this exposure level over a factor of ten and sampling with a different sampler that collects particles with the same efficiency as the nose during inhalation. This inhalable sampler collects more particles than the one currently used …