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Toxicity to birds

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Avian toxicity data are used in the assessment of secondary poisoning risks for the aquatic and terrestrial food chains. Iron is an essential trace element, well-regulated in all living organisms. The available evidence shows the absence of iron biomagnification across the trophic chain both in the aquatic and terrestrial food chains. The existing information suggests not only that iron does not biomagnify, but rather that it tends to exhibit biodilution. Therefore the need for additional testing for secondary poisoning can be waived. More detailed information can be found in the attached document (White paper on waiving for secondary poisoning for Al & Fe compounds final report 02-02-2010.pdf).

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