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Foreword

This standard replaces GB/T 5009.205-2007 “Determination of toxic equivalencies of dioxin and dioxin-like compounds in foods”.

Compared with GB 5009.205-2007, the major changes of this standard are as follows:

——the accelerated solvent extraction (ASE) method has been added;

——the toxic equivalency factor for polychlorinated dibenzodioxins as well as furan and dioxin-like polychlorinated biphenyls revised by WHO in 2005 has been added