Detection of persistent OCPs and PCBs congeners in the near-shore coastal waters of Alexandria, Egypt

被引：0
|
作者：
Tarek O. Said
Mohamed A. Okbah
Laila A. Mohamed
Islam M. Othman
机构：
[1] National Institute of Oceanography and Fisheries,Chemistry Department, Faculty of Science
[2] King Khalid University,undefined
来源：
Environmental Monitoring and Assessment | 2015年 / 187卷
关键词：
Surface water; OCP; PCBs; Alexandria; Egypt; GC-ECD; GC-MS;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The residues of 19 EPA-organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) were determined in water samples collected from the near-shore surface water of Alexandria coast, Egypt, using gas chomatograph-electron capture detector (GC-ECD) and gas chromatograph-mass spectometer (GC-MS). Higher concentrations of hexachlorocyclohexane (HCH)s, TC, and 2,2-bis (p-chlorophenyl)-1,1,1-trichloroethane (DDT)s with 1.36, 0.556, and 36.97 ngl−1 were recorded, respectively, with a maximum of 165.46 ngl−1 of PCBs during June 2014, which was clearly affected by higher sewage activities during summer season. Among DDTs metabolites, p,p-DDT was the most dominant with a maximum of 36.31ngl−1 recorded at El-Montazah station during June 2014.
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