Couches tested in random California households overwhelmingly contained high amounts of hazardous flame retardant chemicals that have been known to harm hormone production and cause cancer, a new study says.
Chlorinated organophosphate flame retardants were found in the highest concentrations. The group includes carcinogens TCEP and TDCIPP (or chlorinated "Tris") -- the latter of which was banned from children's pajamas in 1977 but is still allowed in other products. Tris was found in 75 percent of homes.
In total, scientists found five flame retardants that were on average found at higher levels than EPA health risk guidelines: BDE 47, BDE 99, TCEP, TDCIPP and BB 153.
The tests also showed that 17 percent of the foam samples contained the flame retardant pentaBDE, which is banned in 172 countries and 12 U.S. states.
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