1 янв 1969 г. - DDT use restricted in U.S.
Описание:
After studying the persistence of DDT residues in the environment, the U.S. Department of Agriculture (USDA)cancels the registration of certain uses of DDT (on shade trees, on tobacco, in the home, and in aquatic environments).Добавлено на ленту времени:
Дата:
1 янв 1969 г.
Сейчас
~ 56 г назад