Arrested municipal solid waste incinerator fly ash as a source of polynuclear aromatic hydrocarbons (PAHs) to the environment |
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| Institution: | 1. Institute of Environmental and Biological Sciences, Lancaster University, Lancaster, LA1 4YQ, UK;2. Warren Spring Laboratory, Gunnels Wood Road, Stevenage, Hertfordshire, SG12BX, U.K.;1. Department of Population Health & Disease Prevention, Program in Public Health, University of California, Irvine, CA 92697-3957, USA;2. Department of Cognitive Sciences, School of Social Sciences, University of California, Irvine, CA 92697-5100, USA;3. Department of Aquatic Health Sciences, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA 23062, USA;1. Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran;2. Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran;3. Department of Pharmaceutics, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran;4. Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran |
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| Abstract: | Arrested fly ash samples from most currently operating municipal solid waste (MSW) incinerators on the U.K. mainland have been analysed for polynuclear aromatic hydrocarbons (PAHs). The ashes have a mean ΣPAH content of about 227 μg kg−. This is generally lower than concentrations observed in U.K. surface soils. Benzoghi] perylene was the most abundant individual compound, and the most frequently detected. The ΣPAH content of ashes does not appear to be related to incinerator type, but rather it is likely that poor gas phase combustion favours higher PAH levels. The significance of PAHs in ash residues and their possible fate following disposal to landfill are discussed. |
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