2013SN/T 0502-2013 Determination of toxaphene residues in aquatic products for export.GC method
1995SN 0502-1995 Method for the determination of toxaphene residues in aquatic products for export
SN 0502-1995 Method for the determination of toxaphene residues in aquatic products for export was changed to SN/T 0502-2013 Determination of toxaphene residues in aquatic products for export.GC method.