期刊
ENVIRONMENTAL POLLUTION
卷 116, 期 2, 页码 301-307出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0269-7491(01)00122-1
关键词
dioxins; furans; pentachlorophenol; wood; beef; residues
Wood and other environmental samples were collected from sites that produced beef with higher than average residues of dibenzo-p-dioxin (PCDD) and dibenzofuran (PCDF), Analyses of these samples for PCDD/Fs and pentachlorophenol (PCP) indicated that the high beef residues were associated with PCP-treated wood in the animal facilities. Concentrations of PCDD/Fs in wood as toxic equivalents ranged from 10 to 320,000 pg/g. These concentrations were closely related to the concentrations of PCP, indicating that analysis for PCP provides an economical method to identify wood with high concentrations of PCDD/Fs. Further evidence for the PCP-treated wood as the source of the beef residues is provided by the similarity of the congener profiles in beef from the sites and those profiles predicted from the profiles in wood, Published by Elsevier Science Ltd.
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