Source and risk assessment of polycyclic aromatic hydrocarbons in surface sediments from the South Atlantic
YANG Pei-hua1,2,3, ZHU Zhi-wei3, XU Ya-yan2, HAN Bin2,3, YANG Dong-fang1, ZHENG Li3, WANG Xiao-ru3
1. College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China;
2. East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, KeyLaboratory of East China Sea & Oceanic Fishery Resources Exploitation and Utilization, Ministry of Agriculture, Shanghai 200090, China;
3. First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Abstract：By the means of GC-MS techniques,the sediment samples which were collected respectively from the surface sediment at the 18 survey stations in the South Atlantic in 2011 were detected and analyzed.The result showed,total concentrations of sixteen PAHs in sediment of the South Atlantic research area ranged from 89.48×10-9 to 508.69×10-9.The average concentration is 234.41×10-9.Compared to international similar waters,the pollution levels of 16PAHs in the South Atlanticwasin a lower level.According to the analysis of the characteristic of PAHs,we concluded that the PAHs in the South Atlanticwere mainly from petroleum and its products.The content of Ace,Flu and Ant went beyond the minimum risk evaluation,which may exist a potential adverse effect to biology.
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