Daily Grist: AIR BREATHING ANIMALS & CHEMICALS

[Guest guest]

At 12:58 PM 7/13/07, you wrote:

>Airing on the Side of Caution

>Chemical dangers to air-breathing animals overlooked, researchers say

>

>A new study in Science says regulators have overlooked the effects that

>thousands of chemicals could have on air-breathing organisms. Such as, for

>instance, people. In general, regulators study how chemicals accumulate in

>aquatic-based food chains; they look at how toxics dissolve in water and

>fat, but not at how easily they're expelled from lungs. Canadian

>researchers say that's a problemo: as many as a third of the roughly

>12,000 chemicals under review in Canada could accumulate in air-breathing

>animals. The pesticide lindane, for example, doesn't build up in fish --

>but researchers have found it in wolves that eat lichen-munching caribou.

> " About one third of all the commercial chemicals that are in use right now

>belong in this group of chemicals that are potentially biomagnifying, "

>says lead researcher Frank Gobas of British Columbia's Simon Fraser

>University. " In Canada, it will be three to four thousand. And our list of

>chemicals is small compared to the list of chemicals in the U.S. and E.U. "

>

>[ email | discuss | + digg | + del.icio.us ]

>

>straight to the source: BBC News, 13 Jul 2007

>

>straight to the source: The Guardian, Alok Jha, 13 Jul 2007

>

>straight to the source: Scientific American, David Biello, 12 Jul 2007

>

>straight to the abstract (cuz the full text ain't free): Science, 13 Jul 2007

 

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