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Winnipeg Free Press - PRINT EDITION
Most BPA trashed: study
OTTAWA -- Most of the toxic Bisphenol A contained in products Canadians use every day is either destroyed or winds up in landfills, says a new study for Environment Canada.
The finding helps allay concerns BPA persists for long periods in the environment -- but critics say the study should not stall efforts to eliminate the chemical altogether.
"A large portion of the BPA that is estimated consumed in Canada is actually reacted/destroyed during its service life," says the research report by Cheminfo Services Inc.
The study suggests between 44 per cent and 68 per cent of the BPA consumed in Canada in 2010 was destroyed in the use of products, such as the epoxy coatings often used to line the inside of food cans. Another 24 per cent to 43 per cent went into landfills, while less than 14 per cent was released, recycled, incinerated or found its way into sludge.
The Harper government banned the chemical from polycarbonate baby bottles in 2008 after studies demonstrated some leaching into the fluid. In late 2010, the substance was added to an official list of toxic substances in Canada.
BPA mimics the hormone estrogen, and has been linked to higher risks for breast cancer, heart disease and even obesity, though there is no broad scientific consensus about its precise toxicity or what levels are unsafe.
-- The Canadian Press
Republished from the Winnipeg Free Press print edition August 27, 2012 B7
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