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  • Seasonal and spatial distribution of nonylphenol and IBP in Saemangeum Bay, Korea.

Seasonal and spatial distribution of nonylphenol and IBP in Saemangeum Bay, Korea.

Marine pollution bulletin (2005-11-18)
Donghao Li, Meihua Dong, Won Joon Shim, Sang Hee Hong, Jae-Ryoung Oh, Un Hyuk Yim, Jee Hyun Jeung, Narayanan Kanan, Eun Soo Kim, Sung Rok Cho
ABSTRACT

In order to investigate spatial and temporal distribution of organic pollutants in the Saemangeum Bay, organophosphorus pesticides (10), alkylphenols (8), chlorophenols (2), bisphenol A were analyzed from the surface seawater taken in 2002-2003. Most of the analytes were not detected in all stations except nonylphenol and S-benzyl-O,O-di-isopropyl phosphorothioate (IBP). Concentrations of nonylphenol and IBP ranged from ND to 298 ng/l and from ND to 1840 ng/l, respectively. The high levels of nonylphenol and IBP were found in the estuary areas of Mangyeong and Dongjin River. The levels of nonylphenol and IBP in surface seawater varied through seasons and the high levels of nonylphenol and IBP were in summer season (August). Based on real time monitoring of IBP and on correlation between concentrations of target compounds and contents of salinity in seawater, physical mixing and diffusion of seawater were found to be the major factors that affect the spatial distribution of IBP and nonylphenol in the Saemangeum Bay environment.

MATERIALS
Product Number
Brand
Product Description

Supelco
Iprobenfos, PESTANAL®, analytical standard