RETRACTED: A study of polycyclic aromatic hydrocarbons concentrations and source identifications by methods of diagnostic ratio and principal component analysis at Taichung chemical Harbor near Taiwan Strait

This article has been retracted at the request of the Editors. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). Reason: It has come to the attention of the Editors of Chemosphere that the article is virtually identical to an article published by the same corresponding author “Characteristic of polycyclic aromatic hydrocarbon concentrations and source identification for fine and coarse particulates at Taichung Harbor near Taiwan Strait during 2004–2005”, Sci. Total Environ., 366 (2006) 729–738. Large parts of the main text are identical and also many figures and tables are identical or overlap substantially.