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  2. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    In the United States, it is recommend to fix homes with radon levels at or above 4 pCi/L. 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 .

  3. ASHRAE 55 - Wikipedia

    en.wikipedia.org/wiki/ASHRAE_55

    This method, also known as the adaptive comfort model, is applicable in buildings without mechanical cooling (and no operating heating system) where occupants' met rates are 1.0-1.3 met and their clothing levels are 0.5-1.0 clo. For this model the standard provides a graph of acceptable indoor temperature limits at prevailing mean outdoor ...

  4. Red List building materials - Wikipedia

    en.wikipedia.org/wiki/Red_List_building_materials

    The three compliance levels are: (1) LBC Red List free, which means that the product is free of all red list ingredients; (2) LBC compliant, which means that the product contains some chemicals that ILFI has designated as temporary red list exceptions; or (3) declared, which means that the product is not compliant with the Red List or its ...

  5. Could formaldehyde in furniture, floors be making you sick? - AOL

    www.aol.com/news/2015-07-29-could-formaldehyde...

    Could your home sweet home actually be making you sick? Concerns over a chemical found in furniture and flooring have put the public on alert over formaldehyde. Long-term exposure to the chemical ...

  6. Formaldehyde - Wikipedia

    en.wikipedia.org/wiki/Formaldehyde

    A 1988 Canadian study of houses with urea-formaldehyde foam insulation found that formaldehyde levels as low as 0.046 ppm were positively correlated with eye and nasal irritation. [73] A 2009 review of studies has shown a strong association between exposure to formaldehyde and the development of childhood asthma .

  7. Dyson's new air purifier shows how much formaldehyde it's ...

    www.aol.com/news/dyson-purifier-formaldehyde-hp...

    The new Dyson Purifier Formaldehyde air purifiers — Hot+Cool (HP09) and Cool (TP09) — are able to distinguish formaldehyde from other VOCs using a dedicated solid-state formaldehyde sensor, in ...

  8. Immediately dangerous to life or health - Wikipedia

    en.wikipedia.org/wiki/Immediately_dangerous_to...

    Not determined. That is, the level is unknown, not non-existent. 10%LEL The IDLH value has been set at 10% of the lower explosive limit although other irreversible health effects or impairment of escape due to toxicology exist only at higher levels.

  9. National Emissions Standards for Hazardous Air Pollutants

    en.wikipedia.org/wiki/National_Emissions...

    The National Emission Standards for Hazardous Air Pollutants (NESHAP) are air pollution standards issued by the United States Environmental Protection Agency (EPA). The standards, authorized by the Clean Air Act, are for pollutants not covered by the National Ambient Air Quality Standards (NAAQS) that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.