残留 ざんりゅう せい有機 ゆうき汚染 おせん物質 ぶっしつだったら
zan ryūseiyūki osembusshitsudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 残留性有機汚染物質

1. If it were persistent organic pollutants; If persistent organic pollutants were present

Tara Conditional