Wednesday, February 22, 2017

M4.2 National Library ToxNet

Urea formaldehyde was used as a foam to insulate homes. Maximum exposure to formaldehyde usually occurs right after installation at 1.0 ppm but the gas can be smell year after the installation. Formaldehyde was banned due to the various health effects it had on individuals. Individuals reported having headaches, insomnia, and loss of libido. Formaldehyde is also known to irritate the eyes, nose and throat and levels that are found in living and work environments.


The bleach that we typically use for cleaning purposes is composed of sodium hypochlorite. Various risks to exposures exist that affect different populations. For example, research has shown that women who use bleach for home cleaning are at risk for non-allergic asthma and elevated neutrophil counts. In a separate study, school-aged children exposed to bleach are at higher risk for respiratory infections. Finally, bleach products such as disinfecting wipes, are commonly used in the workplace. In a study among healthcare professionals, there was an association among cleaning related chemicals (including bleach) and an increase in adult asthma. 

2 comments:

  1. I was surprised to learn that residents living in older, less energy efficient homes are less likely to be affected by formaldehyde emitted by the flooring, while the risk is higher in newer homes. We don’t use chlorine products at home, my husband develops asthma symptoms with small exposures to Chlorine or even in proximity to swimming pools.

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  2. After using the Tox Net Household Products database, I was surprised to see that Cover Girl Instant Cheekbones Contouring Blush-Old Product contains urea formaldehyde. Given the known health effects of this chemical, it is concerning that women are using this on a daily basis. There seems to be a need for implementing stricter manufacturing regulations within the cosmetic sector.

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