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  2. Respirator fit test - Wikipedia

    en.wikipedia.org/wiki/Respirator_fit_test

    However the newer OSHA Fast Fit Protocols for CNC methods, and introduction of newer instruments, have made all quantitative fit test devices equivalent in price and time required for testing. The CNP method has at present about 15% of the fit test market in industry. [25] The Current CNC instruments are the PortaCount 8040 and the AccuFIT 9000.

  3. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    NIOSH air filtration ratings do not test the fit of a respirator. Fit testing is required by OSHA for employers when a hazard is present, and voluntary respirator use under Appendix D is not allowed due to the hazard. [30] Rules for fit testing are also defined by ANSI Z88.2. Z88.2 notes that, in Canada, respirator care and fit testing are ...

  4. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    A study found that 80–100% of subjects failed an OSHA-accepted qualitative fit test, and a quantitative test showed between 12 and 25% leakage. [ 46 ] A CDC study found that in public indoor settings, consistently wearing a respirator was linked to a 83% lower risk of testing positive for COVID-19, as compared to a 66% reduction when using ...

  5. Occupational Safety and Health Administration - Wikipedia

    en.wikipedia.org/wiki/Occupational_Safety_and...

    A 2012 study in Science found that OSHA's random workplace safety inspections caused a "9.4% decline in injury rates" and a "26% reduction in injury cost" for the inspected firms. [3] The study found "no evidence that these improvements came at the expense of employment, sales, credit ratings, or firm survival."

  6. Occupational Safety and Health Act (United States) - Wikipedia

    en.wikipedia.org/wiki/Occupational_Safety_and...

    Long title: An Act to assure safe and healthful working conditions for working men and women; by authorizing enforcement of the standards developed under the Act; by assisting and encouraging the States in their efforts to assure safe and healthful working conditions; by providing for research, information, education, and training in the field of occupational safety and health; and for other ...

  7. Fit testing - Wikipedia

    en.wikipedia.org/wiki/Fit_testing

    Download as PDF; Printable version; In other projects ... move to sidebar hide. Fit testing may refer to: Fecal immunochemical testing; Hearing protection fit-testing ...

  8. Respirator assigned protection factors - Wikipedia

    en.wikipedia.org/wiki/Respirator_Assigned...

    Fit testing of tight-fitting masks of negative-pressure respirators became widely used in US industry in 1980-s. At the beginning, it was thought that the half-mask fit quite well to the worker's face, if during a fit test the protection factor (fit factor) is not less than 10 (later, experts began to use "safety factor" = 10 during the fit ...

  9. Nationally Recognized Testing Laboratory - Wikipedia

    en.wikipedia.org/wiki/Nationally_Recognized...

    The United States Occupational Safety and Health Administration (OSHA) requires that 38 different types of products, devices, assemblies, or systems used in the workplace be "approved" (i.e., tested and certified) by third-party organizations identified as Nationally Recognized Testing Laboratories (NRTLs). As part of OSHA's NRTL Program, the ...