50 - تتضمن أنواع المصفوفة الخاصة بجمع العينات وتحليل الـ دي. دي. تي. السلع الاستهلاكية المشبعة بالـ دي. دي. تي.
The types of matrix which are of special interest for sampling and analysis of DDT include consumer goods impregnated with DDT such as mosquito coils, bed nets and so on, and indoor air in homes to determine the exposure of the general population, in contrast to workplace monitoring.