Abstract

Today, the persistent organic pollutant loads which are formed as a result of modern agriculture and industrial production are becoming very dangerous for the environment and human health. Exposure of living things to these pollutants can occur by direct exposure to pollutants emission or by transport of pollutants as a result of food chain and meteorological events. For this reason, all environmental samples should be analyzed in this context and risk assessments should be made especially for regions where pollutant emissions may occur. In this study, bottom sediment sampling was made from a total of 16 stations including 8 freshwater and 8 seawater from the region located on the coastline of Yeşilırmak Basin. In sediment samples analysis were carried out for persistent organic pollutant (POP) groups (PCB, OCP) using standard methods. The toxic effects of the determined concentrations of the pollutants, which are situated in national and international legislations, primarily, were evaluated as a result of the related analysis. Gas chromatography mass spectrometry (GC-MSMS) systems were used for PCB and OCP analyses. As a result of the analyses, for 7 total PCB congeners with 23.73 μg kg^–1 near the smelting and electrolysis plant at the Marine-5 coded marine station and for the OCP compounds, the highest concentrations were detected as agricultural activities at 8 freshwater sampling stations. PCB 138 compound with 4.99 PCB μg kg^–1 for PCB and in the freshwater sampling stations 10.03 μg kg^–1 for OCP with 4,4'-DDT have been observed. When the total results of POP analysis of sediment samples are evaluated, it has been observed that there are unintentionally occurring compounds, but their effect levels are low in terms of aquatic life.

中文翻译：

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评估萨姆松海岸线河流和海洋沉积物中有机氯农药 (OCP) 和多氯联苯 (PCB) 的浓度

摘要

今天，由于现代农业和工业生产而形成的持久性有机污染物负荷对环境和人类健康变得非常危险。生物暴露于这些污染物可以通过直接暴露于污染物排放或由于食物链和气象事件导致的污染物迁移而发生。因此，应在此背景下分析所有环境样本，并应特别针对可能发生污染物排放的地区进行风险评估。在这项研究中，从位于 Yeşilırmak 盆地海岸线地区的总共 16 个站点进行了底部沉积物采样，其中包括 8 个淡水和 8 个海水。使用标准方法对沉积物中的持久性有机污染物 (POP) 组 (PCB、OCP) 进行分析。主要是在国家和国际立法中确定的污染物浓度的毒性影响，主要是作为相关分析的结果进行评估的。气相色谱质谱 (GC-MSMS) 系统用于 PCB 和 OCP 分析。分析结果表明，7 种 PCB 同系物的总含量为 23.73 μg kg^–1在 Marine-5 编码海洋站的冶炼和电解厂附近，对于 OCP 化合物，在 8 个淡水采样站的农业活动中检测到最高浓度。已观察到PCB 138 化合物与 4.99 PCB μg kg ^–1的 PCB 和在淡水采样站中 10.03 μg kg ^–1的 OCP 与 4,4'-DDT。在对沉积物样品的持久性有机污染物分析的总结果进行评估时，观察到存在无意产生的化合物，但它们对水生生物的影响水平较低。