Qualitative Fit Test (QLFT) for Respirator Law and Legal Definition

According to 10 CFR 20.1003 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 20 -- Standards for Protection Against Radiation; Subpart A -- General Provisions], the term qualitative fit test (QLFT) for respirator means “a pass/fail fit test to assess the adequacy of respirator fit that relies on the individual's response to the test agent.”