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Polycyclic aromatic hydrocarbons (PAHs) and estrogenic compounds in experimental flue gas streams

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Abstract
The importance of combustion processes as a source of substances with estrogenic activity in the environment was investigated. Wood (nontreated and treated with wood preservatives), barbecue charcoal, meat, and kitchen waste were combusted in a laboratory-scale incinerator. Flue gas emissions (particulates and gaseous pollutants) were trapped in polyurethane foam cartridges. The cartridges were subjected to Soxhlet extraction and part of the extracts redissolved in dimethylsulfoxide (DMSO) for analyses of estrogenic activity by means of the yeast-based human estrogen receptor (hER) bioassay. A synthetic estrogen, 17-alpha-ethinylestradiol (EE2), was used as the reference estrogenic compound. Part of the extracts was analyzed for the 16 USEPA priority polycyclic aromatic hydrocarbons (PAHs). Estrogenic compounds in the flue gas (wood) were as high as 234 +/- 25 ng m(-3) EE2 equivalent compared with 27 to 81 ng m(-3) EE2 equivalent in flue gas from combustion of barbecue charcoal. Concentrations of polycyclic aromatic hydrocarbons in both flue gas streams were in the range of 21000 +/- 2000 and 240 +/- 110 ng m(-3), respectively. In general, the concentrations of EE2 equivalent in the flue gas samples were at least a factor of 1000 lower than total PAH concentration. The EE2 levels were not related to the concentration of PAHs in any flue gas sample.

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MLA
MUTHUMBI, W., et al. “Polycyclic Aromatic Hydrocarbons (PAHs) and Estrogenic Compounds in Experimental Flue Gas Streams.” JOURNAL OF ENVIRONMENTAL QUALITY, vol. 32, no. 2, 2003, pp. 417–22.
APA
MUTHUMBI, W., De Boever, P., Pieters, J., Siciliano, S., D’HOOGE, W., & Verstraete, W. (2003). Polycyclic aromatic hydrocarbons (PAHs) and estrogenic compounds in experimental flue gas streams. JOURNAL OF ENVIRONMENTAL QUALITY, 32(2), 417–422.
Chicago author-date
MUTHUMBI, W, Pascale De Boever, Jan Pieters, Steven Siciliano, W D’HOOGE, and Willy Verstraete. 2003. “Polycyclic Aromatic Hydrocarbons (PAHs) and Estrogenic Compounds in Experimental Flue Gas Streams.” JOURNAL OF ENVIRONMENTAL QUALITY 32 (2): 417–22.
Chicago author-date (all authors)
MUTHUMBI, W, Pascale De Boever, Jan Pieters, Steven Siciliano, W D’HOOGE, and Willy Verstraete. 2003. “Polycyclic Aromatic Hydrocarbons (PAHs) and Estrogenic Compounds in Experimental Flue Gas Streams.” JOURNAL OF ENVIRONMENTAL QUALITY 32 (2): 417–422.
Vancouver
1.
MUTHUMBI W, De Boever P, Pieters J, Siciliano S, D’HOOGE W, Verstraete W. Polycyclic aromatic hydrocarbons (PAHs) and estrogenic compounds in experimental flue gas streams. JOURNAL OF ENVIRONMENTAL QUALITY. 2003;32(2):417–22.
IEEE
[1]
W. MUTHUMBI, P. De Boever, J. Pieters, S. Siciliano, W. D’HOOGE, and W. Verstraete, “Polycyclic aromatic hydrocarbons (PAHs) and estrogenic compounds in experimental flue gas streams,” JOURNAL OF ENVIRONMENTAL QUALITY, vol. 32, no. 2, pp. 417–422, 2003.
@article{210249,
  abstract     = {{The importance of combustion processes as a source of substances with estrogenic activity in the environment was investigated. Wood (nontreated and treated with wood preservatives), barbecue charcoal, meat, and kitchen waste were combusted in a laboratory-scale incinerator. Flue gas emissions (particulates and gaseous pollutants) were trapped in polyurethane foam cartridges. The cartridges were subjected to Soxhlet extraction and part of the extracts redissolved in dimethylsulfoxide (DMSO) for analyses of estrogenic activity by means of the yeast-based human estrogen receptor (hER) bioassay. A synthetic estrogen, 17-alpha-ethinylestradiol (EE2), was used as the reference estrogenic compound. Part of the extracts was analyzed for the 16 USEPA priority polycyclic aromatic hydrocarbons (PAHs). Estrogenic compounds in the flue gas (wood) were as high as 234 +/- 25 ng m(-3) EE2 equivalent compared with 27 to 81 ng m(-3) EE2 equivalent in flue gas from combustion of barbecue charcoal. Concentrations of polycyclic aromatic hydrocarbons in both flue gas streams were in the range of 21000 +/- 2000 and 240 +/- 110 ng m(-3), respectively. In general, the concentrations of EE2 equivalent in the flue gas samples were at least a factor of 1000 lower than total PAH concentration. The EE2 levels were not related to the concentration of PAHs in any flue gas sample.}},
  author       = {{MUTHUMBI, W and De Boever, Pascale and Pieters, Jan and Siciliano, Steven and D'HOOGE, W and Verstraete, Willy}},
  issn         = {{0047-2425}},
  journal      = {{JOURNAL OF ENVIRONMENTAL QUALITY}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{417--422}},
  title        = {{Polycyclic aromatic hydrocarbons (PAHs) and estrogenic compounds in experimental flue gas streams}},
  volume       = {{32}},
  year         = {{2003}},
}

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