Isomer dependent bioavailability of polychlorinated dibenzo-p-dioxins and dibenzofurans from municipal incinerator fly ash to carp |
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| Institution: | 1. Department of Environmental Management, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran;2. Iranian National Institute for Oceanography and Atmospheric Science (INIOAS), No. 3, Etemadzadeh St., Fatemi Ave., Tehran 1411813389, Islamic Republic of Iran;3. Young Researchers and Elites Club, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran;4. Department of Environmental Science, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran |
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| Abstract: | The isomer dependent bioavailability of PCDDs and PCDFs from municipal incinerator fly ash to freshwater fish was determined. It was observed that carp exposed to fly ash in a continuous flow exposure readily accumulated select isomers of PCDDs and PCDFs. A preference for greater retention of isomers substituted in the 2, 3, 7 and 8 positions was observed. The Bioavailability Index (ratio of contaminant level in fish to level in fly ash) decreased with increasing degree of chlorination. |
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