Marine Pollution Bulletin 2011-06-01

Enormous PCBs increase in oysters from the coast of Guangdong, China

Ju-Li Gan, Xiao-Ping Jia, Ting Jia, Qin Lin, Wen-Gui Cai

Index: Mar. Pollut. Bull. 62(6) , 1333-6, (2011)

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Abstract

Highlights ► PCB concentrations (ngg−1 d.w.) ranged from 30 to 2040 with a mean of 315 in 2003–2007. ► Annual PCB levels were 313, 290, 342ngg−1 d.w., respectively in 2003, 2006, 2007. ► Recent PCB levels have risen by 350–1032 ratios compared with the data in 1989–1991. ► Fortunately, residual PCBs in recent oysters are within 0.004–0.253mgkg−1 (w.w.). ► Current PCB may derive from older transformers, printing materials and pressworks.

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