来自希腊的表面沉积物中的多环芳 (PAH):发生情况,来源和风险评估
Effrosyni Zafeiraki1, Evangelos Moulas2, Konstantinos M Kasiotis3
1Laboratory of Pesticides' Toxicology, Department of Pesticides Control and Phytopharmacy, Benaki Phytopathological Institute, 145 61 Kifissia, Greece; Laboratory of Environmental Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimioupolis, Zografou, 15771 Athens, Greece.
多环芳 (PAH) 在希腊海岸沉积物中进行了研究. 皮雷厄斯港显示了最高的PAH污染,表明石油来源和潜在的健康风险,与萨罗尼科斯湾和赫拉克利昂不同.
科学领域:
- 环境化学环境化学
- 海洋污染研究 海洋污染研究
背景情况:
- 多环芳 (PAH) 是源自不完全燃烧和石油活动的持久性有机污染物.
- 沿海沉积物充当了PAH的沉降池,反映了污染水平和来源.
研究的目的:
- 研究希腊沿海沉积物中PAHs的发生,分布和来源.
- 评估与海洋环境中PAH污染相关的生态毒理风险.
主要方法:
- 从萨罗尼科斯湾,比雷埃斯港和赫拉克利昂收集了沉积物样本.
- 使用已知的分析技术量化了PAH度.
- 使用诊断比率进行了源标识.
- 生态毒理风险使用毒性等效系数 (TEQ) 和变异性等效系数 (MEQ) 进行了评估.
主要成果:
- 皮雷埃斯港呈现了最高的SPAH度 (1252720 ng/g dw),其次是萨罗尼科斯湾 (21.41820 ng/g dw) 和赫拉克利昂 (4.10230 ng/g dw).
- 燃烧来源占主导地位,有证据表明皮雷厄斯港的石油污染.
- TEQ和MEQ值表明萨罗尼科斯湾和赫拉克利昂的不良健康影响低至微不足道,但突出指出[a]皮林 (BaP) 是皮雷厄斯的主要风险贡献者.
结论:
- 皮雷厄斯港口是一个重要的PAH污染问题,由于BaP.可能会对健康产生潜在影响.
- 萨罗尼科斯湾和赫拉克利昂显示PAHs的生态毒理风险较低.
- 沉积物分析提供了关于海洋污染和相关风险的关键见解.
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