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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 Safety and Health Administration - Wikipedia

    en.wikipedia.org/wiki/Occupational_Safety_and...

    The Bureau of Labor Standards of the Department of Labor has worked on some work safety issues since its creation in 1934. [4] Economic boom and associated labor turnover during World War II worsened work safety in nearly all areas of the United States economy, but after 1945 accidents again declined as long-term forces reasserted themselves. [5]

  4. Recommended exposure limit - Wikipedia

    en.wikipedia.org/wiki/Recommended_exposure_limit

    This TWA is calculated for a standard workday of up to 10 hours, over a 40-hour workweek. This is slightly different to permissible exposure limit (PELs), which are calculated for 8 hours over a 40-hour workweek instead. [1] NIOSH recognizes that certain scenarios demand more immediate attention and has therefore introduced additional measures.

  5. Threshold limit value - Wikipedia

    en.wikipedia.org/wiki/Threshold_limit_value

    Threshold limit value − short-term exposure limit (TLV-STEL): A 15-minute TWA exposure that should not be exceeded at any time during a workday, even if the 8-hour TWA is within the TLV-TWA. Threshold limit value - surface limit (TLV-SL): Supplements airborne TLVs by establishing a concentration on a surface that is not likely to cause an ...

  6. Occupational safety and health - Wikipedia

    en.wikipedia.org/wiki/Occupational_safety_and_health

    OSHA develops safety standards in the Code of Federal Regulations and enforces those safety standards through compliance inspections conducted by Compliance Officers; enforcement resources are focused on high-hazard industries. Worksites may apply to enter OSHA's Voluntary Protection Program (VPP). A successful application leads to an on-site ...

  7. $30 an Hour Is How Much a Year? - AOL

    www.aol.com/30-hour-much-185422419.html

    Compared to minimum wage, $30 an hour seems like a lot. But how much is $30 an hour in terms of an annual salary, and how much can you expect after taxes? $30 an Hour Is How Much a Year?

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