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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. Title 5 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_5_of_the_Code_of...

    The CFR was authorized by President Franklin D. Roosevelt on October 11, 1938, as a means to organize and maintain the growing material published by federal agencies in the newly mandated Federal Register. The first volume of the CFR was published in 1939 with general applicability and legal effect in force June 1, 1938.

  4. New Source Performance Standards - Wikipedia

    en.wikipedia.org/wiki/New_Source_Performance...

    These standards are authorized by Section 111 of the CAA [2] and the regulations are published in 40 CFR Part 60. [3] NSPS have been established for a number of individual industrial or source categories. Examples: Air emissions from chemical manufacturing wastewater [4] Boilers [5] Landfills [6] Petroleum refineries [7] Stationary gas turbines ...

  5. Safety integrity level - Wikipedia

    en.wikipedia.org/wiki/Safety_integrity_level

    Electric and electronic devices can be certified for use in functional safety applications according to IEC 61508. There are a number of application-specific standards based on or adapted from IEC 61508, such as IEC 61511 for the process industry sector. This standard is used in the petrochemical and hazardous chemical industries, among others. [5]

  6. Work measurement - Wikipedia

    en.wikipedia.org/wiki/Work_measurement

    If the standard rating is consistently maintained and the appropriate relaxation is taken, a qualified worker will achieve standard performance over the working day or shift." Industrial engineers use a variety of rating scales, and one which has achieved wide use is the British Standards Rating Scale which is a scale where 0 corresponds to no ...

  7. Performance rating (work measurement) - Wikipedia

    en.wikipedia.org/wiki/Performance_Rating_(Work...

    For example, a standard performance rating of a worker walking is 4.5 miles/hour. The ratings is used in conjunction with a timing study to level out actual time (observed time) taken by the worker under observation. This leads to a basic minute value (observed time/100*rating).

  8. ARP4754 - Wikipedia

    en.wikipedia.org/wiki/ARP4754

    ARP4754(), Aerospace Recommended Practice (ARP) Guidelines for Development of Civil Aircraft and Systems, is a published standard from SAE International, dealing with the development processes which support certification of Aircraft systems, addressing "the complete aircraft development cycle, from systems requirements through systems verification."

  9. Compliance requirements - Wikipedia

    en.wikipedia.org/wiki/Compliance_requirements

    Per 2 CFR §200.403, [8] Except where otherwise authorized by statute, costs must meet the following general criteria in order to be allowable under federal awards: (a) Be necessary and reasonable for the performance of the federal award and be allocable thereto under these principles.