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  2. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    At the same time it is also recommends that people think about fixing their homes for radon levels between 2 pCi/L and 4 pCi/L. [98] In the United Kingdom the ideal is presence of radon indoors is 100 Bq/m-3. Action needs to be taken in homes with 200 Bq/m −3 or more. [99]

  3. Health effects of radon - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_radon

    The goals of NRAP are to continue efforts set forth by FRAP to eliminate radon induced cancer that can be prevented by expanding radon testing, mitigating high levels of radon exposure, and developing radon resistant construction. [87] NRAP also aims to reduce radon risk in 5 million homes, and save 3,200 lives by 2020. [87]

  4. Background radiation - Wikipedia

    en.wikipedia.org/wiki/Background_radiation

    Radon is thus assumed to be the second leading cause of lung cancer after smoking, and accounts for 15,000 to 22,000 cancer deaths per year in the US alone. [9] [better source needed] However, the discussion about the opposite experimental results is still going on. [10] About 100,000 Bq/m 3 of radon was found in Stanley Watras's basement in 1984.

  5. Construction site safety - Wikipedia

    en.wikipedia.org/wiki/Construction_site_safety

    Construction site safety is an aspect of construction-related activities concerned with protecting construction site workers and others from death, injury, disease or other health-related risks. Construction is an often hazardous, predominantly land-based activity where site workers may be exposed to various risks, some of which remain ...

  6. WELL Building Standard - Wikipedia

    en.wikipedia.org/wiki/WELL_Building_Standard

    V08 Physical Activity Spaces and Equipment, providing indoor fitness space at no cost receives 2 points either the space includes two types of exercises or equipment that allow use by at least 5% of occupants at any time or has minimum size of 25 sq. m plus 0.1 sq. m per occupant until 930 sq. m, but WELL also allows if the project gives free ...

  7. Phosphogypsum - Wikipedia

    en.wikipedia.org/wiki/Phosphogypsum

    The construction industry is the number one user of phosphogypsum in 2020, with 10.5 Mt used as concrete set retarder and 3.5 Mt used in drywall. [13] It is also used as a chemical feedstock for producing sulfates , and as a soil conditioner similar to regular gypsum. [ 14 ]

  8. Should you use a personal loan to pay your taxes? - AOL

    www.aol.com/finance/loan-to-pay-taxes-124723856.html

    A personal loan may offer a cheaper way out of tax debt if you can meet 3 key criteria. Learn the benefits and drawbacks — including alternatives — in this comprehensive guide.

  9. Passive daytime radiative cooling - Wikipedia

    en.wikipedia.org/wiki/Passive_daytime_radiative...

    [5] [39] Costs for global implementation have been estimated at $1.25 to $2.5 trillion or about 3% of global GDP, with expected economies of scale. [38] Low-cost scalable materials have been developed for widescale implementation, although some challenges toward commercialization remain.

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