The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated referenced documents, the latest version (including all amendments) applies to this document. GB2762 Limits of contaminants in food GB2763 Maximum limits of pesticide residues in food GB/T5009.38 Analytical methods for hygienic standards for vegetables and fruits GB7718 General rules for labeling of prepackaged foods