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  2. Chemical hazard - Wikipedia

    en.wikipedia.org/wiki/Chemical_hazard

    This is because workers who do physical work will exchange over 10,000 litres of air over an 8-hour day, while workers who do not do physical work will exchange only 2,800 litres. [5] If the air is contaminated in the workplace, more air exchange will lead to the inhalation of higher amounts of chemicals. [6]

  3. Household air pollution - Wikipedia

    en.wikipedia.org/wiki/Household_air_pollution

    The results from these interventions have been a mixture of good and bad results, ranging from an increase in clean air and water to the deterioration of the quality of coastal effluents due to the rapid use of different hygienic and sanitary supplies. [18]

  4. Hierarchy of hazard controls - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_hazard_controls

    Use interim controls: If more time is needed to implement long-term solutions, the hierarchy of controls should be used from the top down as interim controls in the meantime. Avoid introducing new hazards: Keep in mind is that the selected controls should never directly or indirectly introduce new hazards. Make sure to perform a thorough safety ...

  5. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    That issue was resolved in the United States by the Inflation Reduction Act of 2022, which specifically amended the Clean Air Act "to define the carbon dioxide produced by the burning of fossil fuels as an 'air pollutant.'" [105] CO 2 currently forms about 410 parts per million (ppm) of Earth's atmosphere, compared to about 280 ppm in pre ...

  6. Chemical safety - Wikipedia

    en.wikipedia.org/wiki/Chemical_safety

    Chemical safety includes all safety policies, procedures and practices designed to minimize the risk of exposure to potentially hazardous chemicals.This includes the risks of exposure to persons handling the chemicals, to the surrounding environment, and to the communities and ecosystems within that environment. [1]

  7. Occupational safety and health - Wikipedia

    en.wikipedia.org/wiki/Occupational_safety_and_health

    The act applied only to cotton textile mills and required employers to keep premises clean and healthy by twice yearly washings with quicklime, to ensure there were sufficient windows to admit fresh air, and to supply "apprentices" (i.e., pauper and orphan employees) with "sufficient and suitable" clothing and accommodation for sleeping. [15]

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  9. Health and environmental impact of the coal industry - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    Also, water-soluble sodium salts present in the ash enhance the sodium content in water further. Thus river water is converted into soft water by eliminating Ca and Mg ions and enhancing Na ions by coal-fired boilers. Soft water application in irrigation (surface or ground water) converts the fertile soils into alkaline sodic soils. [21]