ダイオキシン汚染 おせんじゃありませんでした
daiokishin'osenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of ダイオキシン汚染

1. Was not dioxin contamination.; It was not dioxin-contaminated.

Past/Perfective
Negative
Polite
Terminal Form