此研究將分析 2007 及 2010 年舊台南市居民面對全台南市工廠排放之鉛的健康風險。首先，空氣擴散模式(AERMOD)會計算出舊台南市因點源所排放出的鉛地表濃度。此濃度將會被運用於計算非致癌(HI)以及致癌風險。AERMOD模擬出的地表濃度較台南市環保局測站所檢測出的濃度高。造成此高估的原因有可能是氣象測站資料、點源排放率及 AERMOD 模式假設。2007 及 2010 所計算的鉛吸入致癌風險大多小於可接受風險，除了 35-54 歲及 6-64 歲女性和 25- 64 歲及 6-64 歲男性略高於可接受風險值。模式模擬的高估可能是造成此結果的原因。

關鍵字：AERMOD；鉛；台南；健康風險

In this study, the health risk assessment were done for lead (USEPA) point source emission in Tainan on residence living in urban Tainan area in years 2007 and 2010 will be analyzed. First, AERMOD were used to perform air dispersion of all point sources that emit Pb in Tainan to simulate Pb ground level concentration (GLC) in urban Tainan area. Then the ground level concentration were used to calculate non-carcinogenic risk (HI) and carcinogenic risk for different scenarios created. The AERMOD simulation shows over prediction of the actual data collected at the Tainan EPA monitoring stations. Some possible sources of variation may be choice of weather monitoring station data, point source emission rate, and AERMOD assumption. The inhalation risk result were mostly within the acceptable risk range except for maximum risk for age female age groups 35-54 and 6-64 and male age groups 25-64 and 6-64 for both years 2007 and 2010. This may be resulted from the over prediction of the ground level concentration.

Keyword: AERMOD; Lead; Tainan; Health Risk Assessment

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