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題 名 | 校園內與交通區空氣氣相與懸浮微粒中PAHs之分析=Analysis of PAHs Concentrations for Gas and Particles at the Campus and Traffic Sampling Sites of Sha-Lu |
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作 者 | 曾勇霖; 吳玉琛; | 書刊名 | 弘光學報 |
卷 期 | 50 2007.05[民96.05] |
頁 次 | 頁269-274 |
分類號 | 445.63 |
關鍵詞 | 多環芳烴化合物; 懸浮微粒; 氣相; GC/MS; PAHs; Gas phase; Particles; |
語 文 | 中文(Chinese) |
中文摘要 | 目前環境中固定相與移動相污染源排放之毒性污染物以多環芳烴化合物(Polycyclic Aromatic Hydrocarbons; PAHs)最嚴重,尤其PAHs已經證明具致癌/致突變性。因為PAHs在排放過程中會吸附在一些固體微粒上或以氣相存在,如焚化爐、煤及柴油燃燒後排放之微粒及氣體,而這些是與民衆在日常生活中,最容易接觸到也最容易在此環境中暴露,因此了解在氣相及微粒相上PAHs之含量是有其必要性的。 本研究採樣地點為弘光校園內之工學院頂樓(緊鄰中部第二高速公路)及弘光科技大學校門口中棲路交通區。利用PS-1採樣器收集空氣中氣相與懸浮微粒樣品,經過不同之前處理方法再以GC/MS分析二十一種PAHs,以便評估本地區之空氣品質。 結果顯示,總PAHs含量中棲路交通區高於工學院頂樓,以工學院頂樓而言,氣相中以Nap、Bghip、Bbc、PER及BaP具較高比例含量,而微粒相則以CHR、Bghip、COR、AcPy、Bbc及BaA具較高比例含量,而交通區之採樣點,氣相中以Nap、Bghip、PER、COR、BaP、Pyr具較高比例含量,微粒相則以Bghip、CHR、COR、BaA、Pyr及AcPy含量較高。其中,中棲路交通區的PAHs較弘光校園高許多,初步推判有可能為大肚山近鄰工業區及臺中火力發電廠以及中棲路上汽機車排廢氣有關,此不但造成空氣污染,也同時增加人體致癌風險。本研究主要監測中臺灣大氣氣相與微粒相中PAHs濃度分佈之情形,以便了解日常生活中暴露的致癌性物質之濃度及其對民衆之為害程度。 |
英文摘要 | Polycyclic aromatic hydrocarbons (PAHs) are formed during incomplete combustion or pyrolysis of organic fuel such as oil, gas, coal and wood commonly used worldwide as the major energy source. This have received increased attention in recent years in air pollution studies, because some of these compounds are highly carcinogenic or mutagenic. According to pervious study, particulate matter has a potentially adverse health effect, making it necessary to control or regulate these pollutants. The concentration of gas-phase and particle polycyclic aromatic hydrocarbons (PAHs) were measured simultaneously at a campus area (HungKuang University) and a traffic area in Sha-Lu. Ambient air particle-bound PAHs were collected on quartz filters and gas-phase PAHs were collected on glass cartridges using a PUF Sampler. Both types of samples were extracted with a Soxhlet extractor for 24h, then the extracts were subjected to GC/MS analysis. |
本系統中英文摘要資訊取自各篇刊載內容。