HJ 921-2017 (English Version) PDF

Scope: This standard specifies a gas chromatographic method for the determination of organochlorine pesticides in soil and sediments. This standard applies to α-666, hexachlorobenzene, γ-666, β-666, δ-666, endosulfan I, aldrin, endosulfan II, ring Heptachlor oxide, heptachlor oxide, o,p′-Didi, γ-chlordane, α-chlordane, trans-nonachlor, p,p′-Didi, o,p′-Didi 23 kinds of organochlorine pesticides including Didel, dieldrin, endrin, o,p′-DDT, p,p′-DDT, cis-nonachlor, p,p′-DDT, mirex, etc. determination. Other organochlorine pesticides can also be measured using this standard if they pass verification. When the sampling amount is 10.0g, the method detection limit of 23 organochlorine pesticides is 0.04μg/kg~0.09μg/kg, and the lower limit of determination is 0.16μg/kg~0.36μg/kg. See Appendix A for details.

HJ 921-2017 Referenced Document

GB 17378.3 The specification for marine monitoring.Part3:Sample collection,storage and transportation
GB 17378.5 The specification for marine monitoring.Part 5:Sediment analysis
HJ 494 Water quality.Guidance on sampling techniques
HJ 613 Soil.Determination of dry matter and water content.Gravimetric method
HJ 783 soil and sediment—extraction of organic compounds—pressurized fluid extraction（pfe）
HJ/T 166 Technical specification for soil environmental monitoring
HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water

2017 HJ 921-2017 Determination of organochlorine pesticides in soil and sediment by gas chromatography