A study warning about toxic chemicals in black kitchenware was based on a major math mistake, potentially downplaying the health risks. The original study suggested that black plastic kitchenware released alarming amounts of Decabromodiphenyl ether (BDE-209), a fire-resistant chemical linked to serious health concerns. However, a chemist identified an error in the calculation of BDE-209 exposure levels, leading to a significantly underestimated risk. While the core finding that e-waste recycling might be introducing this chemical into household products remains valid, the revised assessment of the health risk is still under evaluation.
and other black kitchenware in fear of toxic chemicals—but it turns out the alarming warning was based on a major math mistake.
The team concluded that using this type of black kitchenware could result in people absorbing a median daily amount of 34,700 nanograms of Decabromodiphenyl ether, also known as BDE-209. This is significantly higher than previous models had estimated for human exposure through other means, and worryingly close to the U.S. Environmental Protection Agency’s reference dose of 42,000 nanograms per day for a 60-kilogram adult.
The fundamental point of the study—that the recycling of some e-waste is putting a toxic chemical into kitchenware sold in the U.S.—remains true. However, the mistake significantly changes its implications, which had warned readers that their black kitchenware items were exposing them to over 80% of the EPA reference dose. In reality, it’s less than 10%.
TOXIC CHEMICALS KITCHENWARE E-WASTE RECYCLING MATHEMATICS ERROR HEALTH RISK
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