本技术规范规定了在生长培养基和土壤改良剂中确定不需要的有害杂草种子和植物繁殖体的含量的测试程序（另见附录B的验证结果）。 该方法一般也适用于土壤和污泥

This Technical Specification specifies a test procedure for the determination of the content of unwanted viable weed seeds and plant propagules in growing media and soil improvers (see also Annex B for validation results). The method in general is also applicable to soils and sludges.