When the EPA began enforcing regulations on pollution by hog raisers, it didn't have any information on where or how big the farm were, so "we had to rely on 'confidential tips,'" says Chien-tzu Wu, chief of its Bureau of Water Quality Protection.
環保署初期取締豬糞污染時，因為缺乏養豬戶地點、豬隻數量的資料，「只能靠『密報』」，巫健次表示。