millions of poultry in US died from 'chick-edema disease', dioxin identified (1 gen 1950 anni – 1 gen 1979 anni)
Descrizione:
hide tanning industry produced fatty acid feed supplements with waste oil that contained dioxin
Aggiunto al nastro di tempo:
Data:
1 gen 1950 anni
1 gen 1979 anni
~ 29 years