Operating Experience Level 3, Laboratory Tests Indicate Conditions that Could Potentially Impact Certain Type of HEPA Filter Performance

Provides new information on a potential performance issue associated with certain axial flow HEPA filters that do not contain separators

Office of Environment, Health, Safety & Security

August 19, 2013
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August 19, 2013

OE-3 2013-02: Laboratory Tests Indicate Conditions that Could Potentially Impact Certain Type of HEPA Filter Performance

This Operating Experience Level 3 provides new information on a potential performance issue associated with certain axial flow high efficiency particulate air (HEPA) filters that do not contain separators in the folded media (separatorless). Users of this filter type should review this document and consider whether actions are necessary to ensure that the HEPA filters used in safety applications will perform their intended safety function.