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  2. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    NPPTL is the designated publisher of the NIOSH Certified Equipment List, or CEL. The CEL is a public domain database that details the respirators currently approved by NIOSH, and is ordered separated based on type of respirator, which is designated with a schedule (e.g. TC-84A). [28] The CEL was initially released in paper form on September 30 ...

  3. Registry of Toxic Effects of Chemical Substances - Wikipedia

    en.wikipedia.org/wiki/Registry_of_Toxic_Effects...

    The original edition, known as the Toxic Substances List was published on June 28, 1971, and included toxicological data for approximately 5,000 chemicals. The name changed later to its current name Registry of Toxic Effects of Chemical Substances. In January 2001 the database contained 152,970 chemicals.

  4. National Institute for Occupational Safety and Health - Wikipedia

    en.wikipedia.org/wiki/National_Institute_for...

    NIOSH was created by the Occupational Safety and Health Act of 1970 [27] and began operating in May 1971. [25] It was originally part of the Health Services and Mental Health Administration, and was transferred into what was then called the Center for Disease Control (CDC) in 1973. [27] NIOSH's initial headquarters were located in Rockville ...

  5. Where to find NIOSH-approved N95 masks right now - AOL

    www.aol.com/news/where-niosh-approved-n95-masks...

    DemeTECH N95 Respirator $65.00 at Amazon. DemeTECH N95 Respirator $75.00 at DemeTECH. 3M Aura N95 Respirator . 3M’s Aura N95 Respirator is available in a pack of three, 10 or 20. It comprises a ...

  6. Where to Find the Best NIOSH-Approved KN95, N95 and KF94 ...

    www.aol.com/where-best-niosh-approved-kn95...

    Buy: Benehal N95 Face Masks $25.99. 4. Happy Masks. You have to keep your eyes out for Happy Masks, which sell out regularly and were recently restocked on the California-based company’s website ...

  7. Recommended exposure limit - Wikipedia

    en.wikipedia.org/wiki/Recommended_exposure_limit

    National Institute for Occupational Safety and Health (NIOSH) RELs are designed to protect the health and well-being of workers by recommending safe exposure levels. To really use these guidelines well, safety professionals need to understand the recommended exposure levels, how to measure them, and ways to make sure workers aren't exposed to harmful stuff.

  8. Health Hazard Evaluation Program - Wikipedia

    en.wikipedia.org/wiki/Health_Hazard_Evaluation...

    In most cases, NIOSH responds with a telephone consultation to discuss the problems and how to correct them. For other requests, NIOSH visits the workplace to learn more about the health hazards present. In a small number of cases, NIOSH refers the request to a more appropriate agency. [3]

  9. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.