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Title: Specific congener profiles of polychlorinated dibenzo-p-dioxins and dibenzofurans in blue mussel in Osaka Bay in Japan: Aqueous solubilities of PCDDs and PCDFs

Journal Article · · Bulletin of Environmental Contamination and Toxicology; (USA)
DOI:https://doi.org/10.1007/BF01701867· OSTI ID:7244237
; ; ;  [1];  [2]
  1. Setsunan Univ., Osaka (Japan)
  2. Osaka Prefectural Institute of Public Health (Japan)

The authors have monitored polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in the coastal waters of Japan by using blue mussel (Mytilus edulis) as a biological indicator. The levels of both chemicals were surmised to closely relate to the number of municipal incinerators and the population densities in the cities adjoining the sampling location. The main contamination source in Osaka Bay, which is heavy polluted with PCDDs and PCDFs, was determined to be the fly ash from municipal waste incinerators based upon analytical results of blue mussel from Osaka Bay sediments, sediments from Osaka Bay, and sediments from a river, which is located near a typical urban municipal waste incinerator. However, there was a remarkable difference in congener profiles of PCDDs and PCDFs between the blue mussel and the fly ash, that is, the mussel mainly contained tetraCDDs and tetraCDFs with congener ratios of 56 {plus minus} 9.7% and 62 {plus minus} 6.0%, respectively, whereas the fly ash contained the higher chlorinated PCDDs and PCDFs as major congeners. In this study, the specific congener profiles of PCDDs and PCDFs in blue mussel were investigated from the point of view of their water solubilities.

OSTI ID:
7244237
Journal Information:
Bulletin of Environmental Contamination and Toxicology; (USA), Vol. 43:3; ISSN 0007-4861
Country of Publication:
United States
Language:
English