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  2. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  3. 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.

  4. Business and occupation tax - Wikipedia

    en.wikipedia.org/wiki/Business_and_occupation_tax

    The business and occupation tax (often abbreviated as B&O tax or B/O tax) is a type of tax levied by the U.S. states of Washington, West Virginia, and, as of 2010, Ohio, [1] and by municipal governments in West Virginia and Kentucky. [2] It is a type of gross receipts tax because it is levied on gross income, rather than net income.

  5. Elastomeric respirator - Wikipedia

    en.wikipedia.org/wiki/Elastomeric_respirator

    During the COVID-19 pandemic, masks with unfiltered-exhalation valves ran counter to the requirements of some mandatory mask orders. [ 60 ] [ 61 ] Despite the aforementioned belief, a 2020 research by the NIOSH and CDC shows that an uncovered exhalation valve already provides source control on a level similar to, or even better than, surgical ...

  6. These KN95 and N95 Face Masks Help Protect Against the Flu ...

    www.aol.com/kn95-n95-face-masks-help-182200553.html

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  7. Your taxes are done (or soon will be) and you have one ... - AOL

    www.aol.com/taxes-done-soon-one-where-150907680.html

    For New Jersey residents, if you file electronically, tax returns can take up to four weeks to process. Paper returns can take up to about 12 weeks and returns through certified mail can take up ...

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