本研究於2015年9月至2016年3月期間，分別於高雄市各地區設置12個室內採樣點，採集環境中細懸浮微粒(PM2.5)並分析其多環芳香烴化合物(polycyclic aromatic hydrocarbons, PAHs)，並在南(S1)、北(N1)兩個主要採樣點同時進行室內環境與室外環境之樣品蒐集，採樣時間為每次72小時。研究結果顯示，所有室內環境PM2.5濃度介於11.0~66.6 μg/m3之間，且有隨季節變化而提高的趨勢，而PM2.5-PAHs除了12月N5樣品(4.13 ng/m3)濃度特別高之外，大部分採樣點之濃度在0.5~2.0 ng/m3之間，其成分組成以高分子量(5-6環)為主，低分子量(2-3環)次之。
南(S1)、北(N1)主要採樣點之PM2.5-PAHs和PM2.5的平均室內濃度除以室外濃度(I/O)值分別為1.26和0.93，S1的PM2.5-PAHs和PM2.5平均I/O值分別為1.06和0.83，表示室內環境受室外環境影響，因此濃度皆接近1。
以全方位空氣偵測器進行即時偵測和數位型空氣採樣器所測得的濃度進行相關性分析，有顯著正相關(R2=0.404)。根據偵測器所測得之室內外PM2.5濃度除了S1採樣點在12月有觀察到室內延遲受到室外環境影響的現象導致相關性較差，其他皆呈現顯著正相關。主成分分析(PCA)及集群分析(HCA)結果指出大部分樣品皆有汽、柴油交通排放來源，但在N1採樣點的12月及3月樣品、S1採樣點之12月樣品相對有較強的燃煤、天然氣燃燒訊號。

In this study, indoor fine particle matters (PM2.5) samples were collected and analyzed for polycyclic aromatic hydrocarbons (PAHs) at twelve sampling sites in Kaohsiung from September of 2015 to March of 2016. Two of the sampling sites, N1 and S1 were selected as the main sampling sites in which both indoor and outdoor PM2.5 samples were collected for 72 hours simultaneously. The indoor PM 2.5 concentrations, ranging from 11.0 to 66.6 μg/m3, exhibited an increasing trend in the study period. Meanwhile, most of the PM2.5-PAHs concentrations, except for one higher concentration (4.13 ng/m3) of sample N5 in December, were found in the range of 0.5 – 2.0 ng/m3. The indoor PAHs in composition were dominated mainly by the high-molecular-weight (5-6 ring), followed by low-molecular-weight (2-3 ring) compounds.
The average of the indoor/outdoor (I/O) ratios of PM2.5-PAHs (PM2.5) at sites N1 and S1 were 1.26 (0.93) and 1.06 (0.83), respectively. It indicates that the indoor environment was affected by the outdoor as most of the ratios were close to one.
Results from the real-time instrument, Air Mentor Pro (AMP), were significantly correlated with those measured using Airchek XR5000 sampling(R2=0.404). The indoor and outdoor PM2.5 concentrations recorded by AMP were significantly correlated, except for the case of December at site S1. In December, the phenomenon of time lag was observed at S1 in its time series of indoor PM2.5 with respect to the outdoor environment. The results of PCA and HCA indicate that most of the samples were associated with gasoline and diesel burning; while the relatively strong influence of coal burning was noted in the samples of N1 in March and December as well as S1 in December.

第一章 前言 1
1-1 研究動機 1
1-2 研究目的 1
第二章 文獻回顧 2
2-1 大氣中細懸浮微粒介紹 2
2-1-1 大氣中細懸浮微粒定義及來源 2
2-1-2 國內外細懸浮微粒污染現況 2
2-1-3 細懸浮微粒對健康之影響 2
2-2 多環芳香烴介紹 3
2-2-1 多環芳香烴之特性 3
2-2-2 多環芳香烴在環境中之來源 6
2-2-3 室內環境與室外環境 PM2.5-PAHs 相關研究 7
第三章 研究方法 8
3-1 研究流程 8
3-2 實驗材料與儀器設備 9
3-2-1 試劑與標準品 9
3-2-2 器具與試藥前處理 9
3-2-3 分析儀器與設備 10
3-3 樣品蒐集與方法 12
3-3-1 採樣時間與地點 12
3-3-2 採樣方法 14
3-4 樣品分析 14
3-5 品保與品管 (QA/QC) 16
3-5-1 空白試驗 16
3-5-2 方法偵測極限(Method detection limit, MDL) 16
3-5-3 擬似標準品回收率 16
3-6 主成分分析應用 18
3-7 階層群集分析應用 18
第四章 結果與討論 19
4-1 室內環境中之懸浮微粒 19
4-1-1 室內PM2.5濃度變化 19
4-1-2 室內PM2.5之研究比較 22
4-2 室內環境中之多環芳香烴 25
4-2-1 室內環境PM2.5-PAHs濃度分布 25
4-2-2 PM2.5-PAHs成分組成 27
4-3 室內與室外之關係 29
4-3-1 室內環境與室外環境之PM2.5濃度比較 29
4-3-2 室內環境和室外環境之PM2.5-PAHs濃度比較 35
4-3-3 I/O比值與室內外環境PM2.5及PM2.5-PAHs濃度相關性 37
4-4 PM2.5-PAHs來源分析 41
4-4-1 主成分分析(Principal Components Analysis, PCA) 41
4-4-2 集群分析(Hierarchical Cluster Analysis, HCA) 47
第五章 結論與建議 55
5-1 結論 55
5-2 建議 56
參考文獻 57
附錄 65

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