"Each channel for generating metal pollution is different," says Li Gwo-chen. Cadmium, mercury, and lead most frequently harm people's health through rice; even when the plant has absorbed a high amount, the appearance of the rice remains normal so it is hard to prevent it from getting out.
「每一種重金屬造成汙染的途徑不同」，台灣省農業藥物毒物試驗所所長李國欽說，鎘、汞與鉛最容易藉由米不知不覺危害人的健康，當作物已吸收很高的量，稻作仍然健康如常，難加防範。