The scrap contained large amounts of insulation material made of plastics containing chlorine, so burning it produced highly toxic dioxin. The stench from the fires forced pupils at the nearby Nanning Junior High School to wear cotton face masks to school, and there were high rates of respiratory tract diseases among local residents.
由於廢五金中有許多絕緣用途的含氯化物塑膠用料，燃燒之後產生的「世紀之毒」戴奧辛，薰人的臭氣逼得鄰近的南寧國中學生不得不戴著口罩上課，居民得到呼吸道疾病的比例特別高。