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Potentially toxic flame retardants found in many US couches
Date:11/28/2012

phased out by U.S manufacturers in 2005.

PentaBDEs are long-lasting chemicals that over time migrate into the environment and accumulate in living organisms. Studies show they can disrupt endocrine activity and affect thyroid regulation and brain development. Early exposure to them has been linked to low birth weight, lowered IQ and impaired motor and behavioral development in children.

PentaBDE and Tris were the only flame retardants found in couches purchased before 2005. After 2005, Tris was the most common flame retardant found. In addition, Stapleton and her colleagues identified two new flame-retardant chemical mixtures in more recently purchases couches for which there is little or no health data available.

"Overall, we detected flame-retardant chemicals in 85 percent of the couches we tested and in 94 percent of those purchased after 2005," Stapleton said. "More than half of all samples, regardless of the age of the couch, contained flame retardants that are potentially toxic or have undergone little or no independent testing for human health risks."

"If a couch has a California TB 117 label, you can all but guarantee it contains chemical flame retardants," Stapleton said. "But this is where labeling requirements get confusing: the lack of a TB 117 label on a couch does not guarantee the absence of chemical flame retardants. It's not that cut-and-dried."

Stapleton said that so many new proprietary chemical flame retardants have been introduced in recent years that it has become very difficult for scientists to identify them all or determine their presence consumer products.


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Contact: Tim Lucas
tdlucas@duke.edu
919-613-8084
Duke University
Source:Eurekalert

Page: 1 2

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