When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. HEPA - Wikipedia

    en.wikipedia.org/wiki/HEPA

    For respirators, MSHA and NIOSH define HEPA as filters blocking ≥ 99.97% of 0.3 micron DOP particles, under 30 CFR 11 and 42 CFR 84. Since the transition to 42 CFR 84 in 1995, use of the term HEPA has been deprecated except for powered air-purifying respirators . [ 25 ]

  3. Self-contained breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Self-contained_breathing...

    42 CFR 84 replaces the 30 CFR 11 respirator regulation used by NIOSH. As of 2001, quality assurance of SCBA harnesses is required. As of 2001, quality assurance of SCBA harnesses is required. Labels have been updated to remove MSHA emblems from respirator labels, as MSHA is no longer involved in respirator approval except for respirators ...

  4. Supplemental air carrier - Wikipedia

    en.wikipedia.org/wiki/Supplemental_air_carrier

    The highest-rated narrowbody was a "stretch" convertible DC-8-63CF, which had a higher rating than a passenger 747. [135] By the late 1960s/early 1970s, seven supplementals flew the DC-8-63CF or the closely-related DC-8-61CF: American Flyers, [ 136 ] Capitol, [ 137 ] ONA, [ 138 ] Saturn, [ 139 ] Trans International, [ 140 ] Universal [ 141 ...

  5. 2024 United States presidential election - Wikipedia

    en.wikipedia.org/wiki/2024_United_States...

    Presidential elections were held in the United States on November 5, 2024. [a] The Republican Party's ticket—Donald Trump, who was the 45th president of the United States from 2017 to 2021, and JD Vance, the junior U.S. senator from Ohio—defeated the Democratic Party's ticket—Kamala Harris, the incumbent vice president, and Tim Walz, the 41st governor of Minnesota.

  6. United States Coast Guard - Wikipedia

    en.wikipedia.org/wiki/United_States_Coast_Guard

    The Coast Guard CW Operators Association (CGCWOA) is a membership organization comprising primarily former members of the United States Coast Guard who held the enlisted rating of Radioman (RM) or Telecommunications Specialist (TC), and who employed International Morse Code (CW) in their routine communications duties on Coast Guard cutters and ...

  7. Gasoline - Wikipedia

    en.wikipedia.org/wiki/Gasoline

    Roughly 72 liters (19 U.S. gal) of gasoline is derived from a 160-liter (42 U.S. gal) barrel of crude oil. [6] Material separated from crude oil via distillation , called virgin or straight-run gasoline, does not meet specifications for modern engines (particularly the octane rating ; see below), but can be pooled to the gasoline blend.

  8. Tax Cuts and Jobs Act - Wikipedia

    en.wikipedia.org/wiki/Tax_Cuts_and_Jobs_Act

    The Act to provide for reconciliation pursuant to titles II and V of the concurrent resolution on the budget for fiscal year 2018, [2] Pub. L. 115–97 (text), is a congressional revenue act of the United States originally introduced in Congress as the Tax Cuts and Jobs Act (TCJA), [3] [4] that amended the Internal Revenue Code of 1986.