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  2. Recommended exposure limit - Wikipedia

    en.wikipedia.org/wiki/Recommended_exposure_limit

    National Institute for Occupational Safety and Health (NIOSH) RELs are designed to protect the health and well-being of workers by recommending safe exposure levels. To really use these guidelines well, safety professionals need to understand the recommended exposure levels, how to measure them, and ways to make sure workers aren't exposed to harmful stuff.

  3. Occupational heat stress - Wikipedia

    en.wikipedia.org/wiki/Occupational_Heat_Stress

    According to the National Institute for Occupational Safety and Health (NIOSH), acclimatization is a biological process that an individual will go through to adjust to a stimulus following continued exposure. [13] Physiologically, acclimatization to heat will allow a worker's body to more efficiently cool itself when exposed to high temperatures.

  4. National Institute for Occupational Safety and Health

    en.wikipedia.org/wiki/National_Institute_for...

    NIOSH was created by the Occupational Safety and Health Act of 1970 [27] and began operating in May 1971. [25] It was originally part of the Health Services and Mental Health Administration, and was transferred into what was then called the Center for Disease Control (CDC) in 1973. [27] NIOSH's initial headquarters were located in Rockville ...

  5. Occupational Safety and Health Act (United States) - Wikipedia

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

    The four criteria are 1) There must be a hazard; 2) The hazard must be a recognized hazard (e.g., the employer knew or should have known about the hazard, the hazard is obvious, or the hazard is a recognized one within the industry); 3) The hazard could cause or is likely to cause serious harm or death; and 4) The hazard must be correctable ...

  6. Excessive heat warning - Wikipedia

    en.wikipedia.org/wiki/Excessive_heat_warning

    An excessive heat warning is a notice issued by the National Weather Service of the United States within 12 hours of the heat index reaching one of two criteria levels. In most areas, a warning will be issued if there is a heat index of at least 105 °F (41 °C) for more than three hours per day for two consecutive days, or if the heat index is greater than 115 °F (46 °C) for any period of time.

  7. Occupational exposure banding - Wikipedia

    en.wikipedia.org/wiki/Occupational_exposure_banding

    The Hierarchy of Occupational Exposure Limits, of which occupational exposure banding is a member. Occupational exposure banding, also known as hazard banding, is a process intended to quickly and accurately assign chemicals into specific categories (bands), each corresponding to a range of exposure concentrations designed to protect worker health.

  8. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    Table of specific heat capacities at 25 °C (298 K) unless otherwise noted. [citation needed] Notable minima and maxima are shown in maroon. Substance Phase Isobaric mass heat capacity c P J⋅g −1 ⋅K −1 Molar heat capacity, C P,m and C V,m J⋅mol −1 ⋅K −1 Isobaric volumetric heat capacity C P,v J⋅cm −3 ⋅K −1 Isochoric ...

  9. Health Hazard Evaluation Program - Wikipedia

    en.wikipedia.org/wiki/Health_Hazard_Evaluation...

    NIOSH recommends requesting an HHE if employees are sick and the cause is unknown or the number of illnesses or injuries is higher than expected in a group of employees. Requests should also be made when employees are exposed to a new hazard or a hazard unregulated by OSHA or when employees are experiencing ill health when their exposure to an ...