2016SN/T 0146-2016 Methods for detecting 666 and DDT residues in exported tobacco leaves and tobacco leaf products
1992SN 0146-1992 Method for determination of BHC and DDTresidues in tobacco and tobacco products for export
SN 0146-1992 Method for determination of BHC and DDTresidues in tobacco and tobacco products for export was changed to SN/T 0146-2016 Methods for detecting 666 and DDT residues in exported tobacco leaves and tobacco leaf products.