This standard specifies the method for the determination of HCH and DDT residues in soil. This standard applies to the analysis of organochlorine pesticide residues in soil samples.
GB/T 14550-2003 history
2003GB/T 14550-2003 Method of gas chromatographic for determination of BHC and DDT in soil
1993GB/T 14550-1993 Soil quality. Determination of BHC and DDT. Gas chromatography