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  2. Permissible exposure limit - Wikipedia

    en.wikipedia.org/wiki/Permissible_exposure_limit

    The current PEL for OSHA standards are based on a 5 decibel exchange rate. OSHA's PEL for noise exposure is 90 decibels (dBA) for an 8-hour TWA. Levels of 90-140 dBA are included in the noise dose. [4] PEL can also be expressed as 100 percent “dose” for noise exposure. When the noise exposure increases by 5 dB, the exposure time is cut in ...

  3. Occupational hearing loss - Wikipedia

    en.wikipedia.org/wiki/Occupational_hearing_loss

    Unlike NIOSH, OSHA uses a 5-dB exchange rate, where an increase in 5-dB for a sound corresponds to the amount of time workers may be exposed to that particular source of sound being halved. For example, workers cannot be exposed to a sound level of 95 dB for more than 4 hours per day, or to sounds at 100 dB for more than 2 hours per day.

  4. File:Exchange rate arrangements map.svg - Wikipedia

    en.wikipedia.org/wiki/File:Exchange_rate...

    Date/Time Thumbnail Dimensions User Comment; current: 14:10, 11 July 2023: 863 × 443 (1.07 MB): Gtmnsa: updated following the 2022 report these changes: added andorra, kuwait is other now, morocco is pegged within horizontal bands, added samoa, iraq is stabilized arrangement, croatia is euro iran is stabilized arrangement, cambodia is stabilized arrangement, vietnam is crawl-like arrangement ...

  5. List of countries by exchange rate regime - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    De Facto Classification of Exchange Rate Arrangements, as of April 30, 2021, and Monetary Policy Frameworks [2] Exchange rate arrangement (Number of countries) Exchange rate anchor Monetary aggregate target (25) Inflation Targeting framework (45) Others (43) US Dollar (37) Euro (28) Composite (8) Other (9) No separate legal tender (16) Ecuador ...

  6. Noise-induced hearing loss - Wikipedia

    en.wikipedia.org/wiki/Noise-induced_hearing_loss

    NIOSH also recommends a 3 dBA exchange rate so that every increase by 3 dBA doubles the amount of the noise and halves the recommended amount of exposure time. [31] The United States Department of Defense (DoD) instruction 605512 has some differences from OSHA 1910.95 standard, for example, OSHA 1910.95 uses a 5 dB exchange rate and DoD ...

  7. List of circulating currencies - Wikipedia

    en.wikipedia.org/wiki/List_of_circulating_currencies

    Colour key and notes Indicates that a given currency is pegged to another currency (details) Italics indicates a state or territory with a low level of international recognition State or territory Currency Symbol [D] or Abbrev. ISO code Fractional unit Number to basic Abkhazia Abkhazian apsar [E] аҧ (none) (none) (none) Russian ruble ₽ RUB Kopeck 100 Afghanistan Afghan afghani ؋‎ AFN ...

  8. Foreign exchange spot - Wikipedia

    en.wikipedia.org/wiki/Foreign_exchange_spot

    The exchange rate at which the transaction is done is called the spot exchange rate. As of 2010, the average daily turnover of global FX spot transactions reached nearly US$1.5 trillion, counting 37.4% of all foreign exchange transactions. [ 1 ]

  9. Hearing conservation program - Wikipedia

    en.wikipedia.org/wiki/Hearing_conservation_program

    Hearing conservation programs [1] are programs that should reduce the risk of hearing loss due to hazardous noise exposure, if implemented correctly and with high quality. . Hearing conservation programs require knowledge about risk factors such as noise and ototoxicity, hearing, hearing loss, protective measures to prevent hearing loss at home, in school, at work, in the military and, and at ...

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