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  2. 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 ...

  3. 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 ...

  4. List of countries by price level - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_price...

    Countries by global price level (World average=100) Rank County/Territory Global price level (% of world average) [2] Year 1 Bermuda: 193.5 2021 2 Barbados: 188.9 2021 3 Cayman Islands: 184.7 2021 4 Switzerland: 181.4 2021 5 Israel: 179.1 2021 6 Iceland: 177.1 2021 7 Turks and Caicos Islands: 172.8 2021 8 Australia: 168.6 2021 9 Norway: 165.3 ...

  5. Hearing protection device - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_device

    NIOSH recommends that OSHA use an 85 dBA time-weighted average during an 8-hour period as their exposure limit. [1] An 85 dBA time-weighted average means that HPD use is recommended if an employee is exposed to an average noise level of 85 dBA or more during an 8-hour work day. NIOSH also uses a 3 dB exchange rate for time-weighted averages. [1]

  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. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    In many countries there is a distinction between the official exchange rate for permitted transactions within the country, and a parallel exchange rate (or black market, grey, unregulated, unofficial, etc. exchange rate) that responds to excess demand for foreign currency at the official exchange rate.

  8. Currency band - Wikipedia

    en.wikipedia.org/wiki/Currency_band

    A currency band is a range of values for the exchange rate for a country’s currency which the country’s central bank acts to keep the exchange rate within. [ citation needed ] The central bank selects a range, or "band", of values at which to set their currency, and will intervene in the market or return to a fixed exchange rate if the ...

  9. List of countries by past and projected GDP (PPP) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_past...

    This is an alphabetical list of countries by past and projected Gross Domestic Product, based on the Purchasing Power Parity (PPP) methodology, not on market exchange rates. These figures have been taken from the International Monetary Fund's World Economic Outlook (WEO) Database, October 2024 Edition. [ 1 ]