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題 名 | 樹脂製造及應用產業勞工多溴二苯醚暴露評估研究=Exposure Assessment of Polybrominated Diphenyl Ethers (PBDEs) for Workers in Synthetic Resin Industry |
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作 者 | 劉家瑋; 陳重羽; 吳幸娟; 李聯雄; 石東生; 李俊璋; | 書刊名 | 勞工安全衛生研究季刊 |
卷 期 | 18:4 2010.12[民99.12] |
頁 次 | 頁442-457 |
分類號 | 412.78 |
關鍵詞 | 樹脂製造業; 作業勞工; 血液; 多溴二苯醚; 甲狀腺荷爾蒙; Flame retardative resin industry; Worker; Serum; PBDE; Thyroid hormones; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以國內多溴二苯醚(polybrominated diphenyl ethers, PBDEs)使用量最高之樹脂業為研究對象,考量其2003-2006總使用量及逐年使用分布後,選取一家位於台灣南部之耐燃樹脂製造廠,針對該廠勞工,進行血液中22種PBDEs同源物量測,健康、飲食及時間活動模式問卷調查,同時量測工人13項血液生化與5項荷爾蒙等健康指標,並整合各項指標後進行勞工多溴二苯醚暴露及健康影響評估。本研究選取41位勞工依據職稱及作業內容並以時間活動模式資料確認後,區分為高(耐燃樹脂成品製造)、中(耐燃樹脂成品加工:裁切及包裝)、低(行政人員)暴露組,高、中、低暴露組勞工血中PBDEs平均濃度分別為1149.11、491.59與102.42 ng/g lipid,統計顯示高暴露組濃度顯著高於中、低暴露組(p<0.0001)。三暴露族群血液中PBDEs同源物含量分布,均以高溴數BDE-209、BDE-197及BDE-207為主要同源物。其中甲狀腺素T3/T4比值與總PBDEs(p=0.0117)、BDE-206(p=0.0345)、BDE-207(p=0.0034)及BDE-197(p=0.0003)濃度具有顯著正相關,且員工依血液中PBDEs濃度分為高低兩組後,高濃度組其T4濃度分佈顯著低於低濃度組(p=0.0220),代表T4值可能會隨PBDEs濃度上升而下降。由於三組勞工平均濃度皆顯著高於過去文獻中各研究族群血液中PBDEs濃度,建議未來宜先進行逸散控制,並加強勞工正確佩帶個人防護具及職場個人衛生之觀念,也建議從事多溴二苯醚相關作業員工,應將甲狀腺系統尤其是T4濃度,列為定期健康檢查項目。 |
英文摘要 | Abstract In Taiwan, the highest amount of Deca-BDE was used in synthetic resin industry since 2003 to 2006 year. The aims of this study are to determine the association between serum levels of 22 PBDE congeners and health index (13 blood biochemistry and 5 hormone examinations) for workers of a representative synthetic resin plant in southern Taiwan, and then to integrate health outcomes, exposure matrix and time activity pattern to assess the occupational PBDEs exposure and health outcomes. 41 workers were grouped to three groups including manufacture (high exposure), processing (medium exposure), and officers (low exposure) by job title, PBDEs exposure possibility and time-activities data were also investigated for double-check. The average serum PBDEs levels were 1149.11, 491.59 and 102.42 ng/g lipid in high, medium and low exposure groups, respectively. The average level of PBDEs in high exposure group was significantly higher than those in other groups (p<0.0001). The dominant congeners in serum samples were BDE-209, BDE-197 and BDE-207. Moreover, the T3/T4 was significantly correlated with increasing levels of total PBDEs (p=0.0117), BDE-206(p=0.0345), BDE-207 (p=0.0034) and BDE-197 (p=0.003). We further divided all workers into two groups by serum PBDE levels, and we found the T4 levels in high serum PBDE group were significantly lower than low serum PBDE group (p=0.0220). It implied that T4 levels may be decreased by elevated PBDEs levels. In conclusion, we recommend that the manufacturing process need to improve and the workers in synthetic resin industry should enhance hazard education and equip personal protective equipments. We also suggested that PBDEs occupational exposure workers should check on T4 level regularly. |
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