According to EPA data, nationwide temporary storage of baghouse ash was as high as 490,000 metric tons as of the end of September 2009. The wanton, even illegal, spewing of this toxic substance has become a thorn in the side of the EPA and a scar on Taiwan's environment.
據環保署資料表示，截至 2009 年 9 月底，全台累積暫存的集塵灰高達 49 萬噸，這些到處堆放、甚至非法棄置的劇毒物質，已成為環保署的心腹大患，更是台灣生態環境的毒瘤。