2011SN/T 0127-2011 Determination of BHCs,DDTs and HCB residues in foods of animal origin for import and exprot.GC-MS method
1992SN 0128-1992 Method for determination of BHC and DDTresidues in egg and egg product for export
SN 0128-1992 Method for determination of BHC and DDTresidues in egg and egg product for export was changed to SN/T 0127-2011 Determination of BHCs,DDTs and HCB residues in foods of animal origin for import and exprot.GC-MS method.