It says partial approvals like the one for StarLink should be discontinued and that a procedure for testing for the presence of unapproved DNA should be a pre-condition for a crop's approval.

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Parents were advised of the testing procedure and to be particularly careful with hygiene at home.

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As different federations have different banned substances the testing procedure also varies between the athletes.

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The focus of the appeal is expected to be on the testing procedure with officials from the International Olympic Committee laboratory likely to give evidence.

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Even the smallest mistake in the testing procedure could mean an expensive lawsuit from an athlete who sees his or her future earnings at risk.

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These give the companies the option to build there within the next 20 years, if they wish to do so. (Though Exelon has said it was only testing the waters for the licensing procedure and has no plans to build in Illinois.) Similar applications for a Dominion site in Virginia and a Southern Co. site in Georgia are pending.

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This procedure, known as photothermal ablation, has undergone six years of animal testing.

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